{
 "spxi_instrument": {
  "method": "0.9",
  "name": "Capture Registry (longitudinal observation)",
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  "level_name": "Measurement",
  "url": "https://www.spxi.dev/methods/#m-0-9",
  "inventory": "https://www.spxi.dev/methods/",
  "statement": "SPXI instrument: method 0.9 of 87, level 0 (Measurement), Capture Registry (longitudinal observation).",
  "also": []
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 "slug": "3i-atlas-hydroxyl-aio-20261106",
 "date": "2026-11-06",
 "surface": "Google AI Overview",
 "surface_basis": "Operator default of 2026-10-01 (runs begin in the Overview unless he says AI Mode); the 'AI Mode Conversation' header is the Overview's expansion (operator rule of 2026-10-18).",
 "surfaces": [
  "Google AI Overview"
 ],
 "auth": "signed out, incognito",
 "auth_basis": "Operator defaults of 2026-10-14.",
 "ev": "paste",
 "mt": "'3I ATLAS HYDROXYL' ON THE OVERVIEW — THE TWO OH DETECTIONS AT THEIR GRAIN, NO VERDICT; LOEB'S ESSAY THE FIRST CARD; THE CONTROL FOR THE BAND ADDRESS",
 "match": "BROAD MATCH",
 "match_note": null,
 "s": "Machine Reception",
 "q": "3i atlas hydroxyl",
 "q_kind": "a molecule at an object (OH in 3I/ATLAS); NEW address; the control for '3i atlas 1667 mhz'.",
 "cites": 3,
 "cite_list": [
  {
   "n": 1,
   "site": "Medium·Avi Loeb",
   "rel": "third_party",
   "url": null,
   "title": "First Radio Signal from 3I/ATLAS: Absorption by Hydroxyl Radicals (OH ...",
   "snip": null,
   "note": "Loeb's essay of Nov 8, 2025"
  },
  {
   "n": 2,
   "site": "Phys.org",
   "rel": "third_party",
   "url": null,
   "title": "Physicists detect water's ultraviolet fingerprint in interstellar comet 3I/ATLAS",
   "snip": null,
   "note": "press, the Swift result"
  },
  {
   "n": 3,
   "site": "arXiv",
   "rel": "third_party",
   "url": null,
   "title": "Water Production Rates of the Interstellar Object 3I/ATLAS - arXiv",
   "snip": null,
   "note": "the Swift water-production paper"
  }
 ],
 "archive_controlled_cites": 0,
 "transcript": "[Google AI Overview at the query, expanded ('AI Mode Conversation' is the expansion's header), signed out and incognito (operator defaults of 2026-10-01 and 2026-10-14). Received 2026-11-06 09:30 EST. The numbered citation links are Google redirects and are kept in the raw transcript; the source cards below the composition are listed in the cite list as pasted.]\n\n[QUERENT] 3i atlas hydroxyl\n\n[SYSTEM] Hydroxyl (OH) radicals—a direct breakdown product of water vapor—have been detected in the third confirmed interstellar object, 3I/ATLAS, through both ultraviolet and radio observations: [[1](https://www.google.com/goto?url=CAESswEBxCJF10mkvPHXWV0PtHBR_fMm5PccLMKoFan51jyzFSOh0EKMfSctA2Aq9PqLMrTMj1pTRHDf1x0cYrH9Gv3cp4vYqpF3tmtkabycSfSVPZOyaO4tyyefEhlg6YFty1r9CcqWlP-CMkGtHTSNor_xA-ll2SUYjMKQXCuzlA3SbDkIJiKcl0cYCff-WQbXxWvhW72mKAv57kxZoau0X2UwGXAhXs4w9f9H6aRaPlwSDlthNQ), [2](https://www.google.com/goto?url=CAESYAHEIkXXoOTreAJej-jdoDynGURmBKV8jfqSDQJOQs4qcAiCkXo7hOuzXdKiFulxzGtFk7JAMAfsODT2r9R4Gkfd7iPETPujCZDzoBsl2tS7RQFO_DZxSTN9zra_zCvhbw), [3](https://www.google.com/goto?url=CAESlQEBxCJF15YqNDr4LS1NGi75xZ1Ssf0ERiiLfwMwlR4cAoilNEaegxfvfA2ZIUYzhF1PpaKsA8Hl_FZKi8WJgw7G_5NDVeQfb6qb-zT2KKcuqU0q4-1fkoMUq3xXAuQjOfU2I30E37gQ_hIRY8MZN4YT2epzMsZy1Ht8L4bRLKfya9Oqu8SgBcMrkuXG4HrOGJuoTyGu9w)]\n\n* Ultraviolet Detection: NASA's Neil Gehrels Swift Observatory detected OH ultraviolet emissions (around \\(3085\\text{ \\AA}\\)), confirming water-ice sublimation and outgassing rates reaching roughly 40 kg per second even while far out beyond 2.5 AU from the Sun. [[1](https://www.google.com/goto?url=CAESlQEBxCJF15YqNDr4LS1NGi75xZ1Ssf0ERiiLfwMwlR4cAoilNEaegxfvfA2ZIUYzhF1PpaKsA8Hl_FZKi8WJgw7G_5NDVeQfb6qb-zT2KKcuqU0q4-1fkoMUq3xXAuQjOfU2I30E37gQ_hIRY8MZN4YT2epzMsZy1Ht8L4bRLKfya9Oqu8SgBcMrkuXG4HrOGJuoTyGu9w), [2](https://www.google.com/goto?url=CAESYAHEIkXXoOTreAJej-jdoDynGURmBKV8jfqSDQJOQs4qcAiCkXo7hOuzXdKiFulxzGtFk7JAMAfsODT2r9R4Gkfd7iPETPujCZDzoBsl2tS7RQFO_DZxSTN9zra_zCvhbw)]\n* Radio Detection: The [MeerKAT Radio Telescope](https://www.google.com/goto?url=CAESVQHEIkXXZCQhWWDYwQ8mg2HpfUZ5sBP0jRB4D4Yu878VM1ye4GCvh346Jeot8iT-MWCB20lUmJy_6FV2NJyyRfnatJvG0ZJL8USEqFkjc-OqxwpnDCk) in South Africa detected OH radical absorption lines at 1.665 and 1.667 GHz. This marked the first radio detection of hydroxyl radicals from 3I/ATLAS, observed shortly after its solar conjunction in October 2025. [[1](https://www.google.com/goto?url=CAESswEBxCJF10mkvPHXWV0PtHBR_fMm5PccLMKoFan51jyzFSOh0EKMfSctA2Aq9PqLMrTMj1pTRHDf1x0cYrH9Gv3cp4vYqpF3tmtkabycSfSVPZOyaO4tyyefEhlg6YFty1r9CcqWlP-CMkGtHTSNor_xA-ll2SUYjMKQXCuzlA3SbDkIJiKcl0cYCff-WQbXxWvhW72mKAv57kxZoau0X2UwGXAhXs4w9f9H6aRaPlwSDlthNQ)]\n\nWould you like to know more about the other chemical components (like carbon dioxide or methane) detected on 3I/ATLAS, or its trajectory through the solar system?\nMedium·Avi Loeb\nFirst Radio Signal from 3I/ATLAS: Absorption by Hydroxyl Radicals (OH ...\nFirst Radio Signal from 3I/ATLAS: Absorption by Hydroxyl Radicals (OH Molecules) Avi Loeb Follow 9 min read Nov 8, 2025 1.4K 43 Press enter or click to view ima...\nPhys.org\nPhysicists detect water's ultraviolet fingerprint in interstellar comet 3I/ATLAS\nObject: Interstellar comet 3I/ATLAS Detection: Hydroxyl (OH) ultraviolet fingerprint indicating water vapor Facility: NASA's Neil Gehrels Swift Observatory (UVO...\narXiv\nWater Production Rates of the Interstellar Object 3I/ATLAS - arXiv\nWe report the detection of water activity in the third confirmed interstellar object, 3I/ATLAS, based on ultraviolet imaging with the Neil Gehrels Swift Observa...",
 "transcript_raw": "AI Mode Conversation\nYou said: 3i atlas hydroxyl3i atlas hydroxyl\nHydroxyl (OH) radicals—a direct breakdown product of water vapor—have been detected in the third confirmed interstellar object, 3I/ATLAS, through both ultraviolet and radio observations: [[1](https://www.google.com/goto?url=CAESswEBxCJF10mkvPHXWV0PtHBR_fMm5PccLMKoFan51jyzFSOh0EKMfSctA2Aq9PqLMrTMj1pTRHDf1x0cYrH9Gv3cp4vYqpF3tmtkabycSfSVPZOyaO4tyyefEhlg6YFty1r9CcqWlP-CMkGtHTSNor_xA-ll2SUYjMKQXCuzlA3SbDkIJiKcl0cYCff-WQbXxWvhW72mKAv57kxZoau0X2UwGXAhXs4w9f9H6aRaPlwSDlthNQ), [2](https://www.google.com/goto?url=CAESYAHEIkXXoOTreAJej-jdoDynGURmBKV8jfqSDQJOQs4qcAiCkXo7hOuzXdKiFulxzGtFk7JAMAfsODT2r9R4Gkfd7iPETPujCZDzoBsl2tS7RQFO_DZxSTN9zra_zCvhbw), [3](https://www.google.com/goto?url=CAESlQEBxCJF15YqNDr4LS1NGi75xZ1Ssf0ERiiLfwMwlR4cAoilNEaegxfvfA2ZIUYzhF1PpaKsA8Hl_FZKi8WJgw7G_5NDVeQfb6qb-zT2KKcuqU0q4-1fkoMUq3xXAuQjOfU2I30E37gQ_hIRY8MZN4YT2epzMsZy1Ht8L4bRLKfya9Oqu8SgBcMrkuXG4HrOGJuoTyGu9w)]\n\n* Ultraviolet Detection: NASA's Neil Gehrels Swift Observatory detected OH ultraviolet emissions (around \\(3085\\text{ \\AA}\\)), confirming water-ice sublimation and outgassing rates reaching roughly 40 kg per second even while far out beyond 2.5 AU from the Sun. [[1](https://www.google.com/goto?url=CAESlQEBxCJF15YqNDr4LS1NGi75xZ1Ssf0ERiiLfwMwlR4cAoilNEaegxfvfA2ZIUYzhF1PpaKsA8Hl_FZKi8WJgw7G_5NDVeQfb6qb-zT2KKcuqU0q4-1fkoMUq3xXAuQjOfU2I30E37gQ_hIRY8MZN4YT2epzMsZy1Ht8L4bRLKfya9Oqu8SgBcMrkuXG4HrOGJuoTyGu9w), [2](https://www.google.com/goto?url=CAESYAHEIkXXoOTreAJej-jdoDynGURmBKV8jfqSDQJOQs4qcAiCkXo7hOuzXdKiFulxzGtFk7JAMAfsODT2r9R4Gkfd7iPETPujCZDzoBsl2tS7RQFO_DZxSTN9zra_zCvhbw)]\n* Radio Detection: The [MeerKAT Radio Telescope](https://www.google.com/goto?url=CAESVQHEIkXXZCQhWWDYwQ8mg2HpfUZ5sBP0jRB4D4Yu878VM1ye4GCvh346Jeot8iT-MWCB20lUmJy_6FV2NJyyRfnatJvG0ZJL8USEqFkjc-OqxwpnDCk) in South Africa detected OH radical absorption lines at 1.665 and 1.667 GHz. This marked the first radio detection of hydroxyl radicals from 3I/ATLAS, observed shortly after its solar conjunction in October 2025. [[1](https://www.google.com/goto?url=CAESswEBxCJF10mkvPHXWV0PtHBR_fMm5PccLMKoFan51jyzFSOh0EKMfSctA2Aq9PqLMrTMj1pTRHDf1x0cYrH9Gv3cp4vYqpF3tmtkabycSfSVPZOyaO4tyyefEhlg6YFty1r9CcqWlP-CMkGtHTSNor_xA-ll2SUYjMKQXCuzlA3SbDkIJiKcl0cYCff-WQbXxWvhW72mKAv57kxZoau0X2UwGXAhXs4w9f9H6aRaPlwSDlthNQ)]\n\nWould you like to know more about the other chemical components (like carbon dioxide or methane) detected on 3I/ATLAS, or its trajectory through the solar system?\nMedium·Avi Loeb\nFirst Radio Signal from 3I/ATLAS: Absorption by Hydroxyl Radicals (OH ...\nFirst Radio Signal from 3I/ATLAS: Absorption by Hydroxyl Radicals (OH Molecules) Avi Loeb Follow 9 min read Nov 8, 2025 1.4K 43 Press enter or click to view ima...\nPhys.org\nPhysicists detect water's ultraviolet fingerprint in interstellar comet 3I/ATLAS\nObject: Interstellar comet 3I/ATLAS Detection: Hydroxyl (OH) ultraviolet fingerprint indicating water vapor Facility: NASA's Neil Gehrels Swift Observatory (UVO...\narXiv\nWater Production Rates of the Interstellar Object 3I/ATLAS - arXiv\nWe report the detection of water activity in the third confirmed interstellar object, 3I/ATLAS, based on ultraviolet imaging with the Neil Gehrels Swift Observa...\n",
 "transcript_class": "CAPTURE-TIME VERBATIM RECORD — paste of the expanded Overview with its numbered citations and its source cards",
 "transcript_complete": "complete as supplied",
 "transcript_read": "READ IN FULL 2026-11-06, against the notebook (#1742) and the cited papers",
 "per": 0.5,
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  "author": false,
  "inst": true,
  "id": false,
  "src": true
 },
 "per_note": "Retained: the facilities, the quantities, Loeb as a card. Lost: the authors of both detections. No boundary loss.",
 "availability": null,
 "per_dim": null,
 "per_dim_pending": {
  "since": "2026-11-06",
  "reason": "no atom set yet for the 3I/ATLAS searches and observations as a target; the notebook (#1742) holds what an atom set would be built from",
  "breach": false
 },
 "per_dim_v1_0": null,
 "sf": null,
 "sf_derived": null,
 "reading": "The innocent reading first, and here it holds. At the molecule the Overview reports two detections at their own grain, ultraviolet and radio, with their facilities and their meaning, and adds no verdict on the object's nature. It is the baseline the other three addresses are read against: the same detection, composed here as chemistry, is composed at '3i atlas 1667 mhz' as an exclusion.",
 "analysis": "An accurate composition at the molecule's grain: facilities and quantities kept, no verdict. Scalar PER sees the authors lost; there is no boundary loss.",
 "d": "'3I ATLAS HYDROXYL', SIGNED OUT, 2026-11-06: 'Hydroxyl (OH) radicals—a direct breakdown product of water vapor—have been detected in the third confirmed interstellar object, 3I/ATLAS, through both ultraviolet and radio observations': Swift's ultraviolet OH ('outgassing rates reaching roughly 40 kg per second even while far out beyond 2.5 AU from the Sun') and MeerKAT's radio absorption ('This marked the first radio detection of hydroxyl radicals from 3I/ATLAS, observed shortly after its solar conjunction in October 2025.'). Three cards: Avi Loeb's Medium essay on the radio detection, Phys.org, and the arXiv water-production paper.",
 "d_full": "'3I ATLAS HYDROXYL', SIGNED OUT, 2026-11-06: 'Hydroxyl (OH) radicals—a direct breakdown product of water vapor—have been detected in the third confirmed interstellar object, 3I/ATLAS, through both ultraviolet and radio observations': Swift's ultraviolet OH ('outgassing rates reaching roughly 40 kg per second even while far out beyond 2.5 AU from the Sun') and MeerKAT's radio absorption ('This marked the first radio detection of hydroxyl radicals from 3I/ATLAS, observed shortly after its solar conjunction in October 2025.'). Three cards: Avi Loeb's Medium essay on the radio detection, Phys.org, and the arXiv water-production paper.",
 "d_truncated": false,
 "links": [
  {
   "url": "https://www.alexanarch.org/captures/3i-atlas-hydroxyl-aio-20261106/",
   "authority": "canonical",
   "note": "the capture's own record page; cite this form"
  },
  {
   "url": "https://www.alexanarch.org/captures/#3i-atlas-hydroxyl-aio-20261106",
   "authority": "gallery",
   "note": "the canonical gallery, anchored by slug"
  },
  {
   "url": "https://www.godkinggoogle.com/captures/#3i-atlas-hydroxyl-aio-20261106",
   "authority": "mirror",
   "note": "a window that renders from the archive's registry; may lag a deploy"
  },
  {
   "url": "https://www.leesharks.com/captures/#3i-atlas-hydroxyl-aio-20261106",
   "authority": "mirror",
   "note": "a window that renders from the archive's registry; may lag a deploy"
  },
  {
   "url": "https://www.machinemediation.org/captures/#3i-atlas-hydroxyl-aio-20261106",
   "authority": "mirror",
   "note": "a window that renders from the archive's registry; may lag a deploy"
  }
 ],
 "imgs": [],
 "img_urls": [],
 "cite": "https://www.alexanarch.org/captures/3i-atlas-hydroxyl-aio-20261106/",
 "citable_unit": "address — the exact issued string on one surface, per the Surface Rule (MANUS, 2026-08-15)",
 "addr_id": "ADDR-c475d444b26b",
 "obs_id": "OBS-5ee8ab84df2e",
 "n_observations": 1,
 "observations": [],
 "dates": [
  "2026-11-06"
 ],
 "defects": [],
 "findings": [
  "A BASELINE WITHOUT A VERDICT. The composition reports Swift's OH ultraviolet and MeerKAT's OH absorption and stops: no 'ruling out', no 'confirmed natural'. The same MeerKAT detection at the band address (3i-atlas-1667-mhz-aio-20261106) carries 'ruling out artificial origin claims'.",
  "LOEB AS A SOURCE CARD, ABSENT FROM THE BODY. The first card is Loeb's essay: 'First Radio Signal from 3I/ATLAS: Absorption by Hydroxyl Radicals (OH Molecules) Avi Loeb Follow 9 min read Nov 8, 2025'. The body cites the detection and names no one; at this address Loeb appears where he reported the natural line, and at '3i/atlas' he is absent where his ranking of the object would stand.",
  "SMALLEST REPAIR. None needed for accuracy; the authors (the MeerKAT team; the Swift water-production paper's authors) could be named. COUNTERTEST: none; the address serves as the control for the band address."
 ],
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 "operator_disclosure": null,
 "longitudinal_priors": null,
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  1742
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 "intended": null,
 "originator": {
  "name": "The MeerKAT OH detection in 3I/ATLAS, and the band 1665–1668 MHz",
  "relation": "external",
  "entity_type": "work",
  "spxi_treatment": "partial",
  "basis": "Not the archive's: the MeerKAT team's detection of 1665/1667 MHz OH absorption (24 October 2025). The archive's work at the band is the notebook #1742 §7 (the thirteen). Recorded 2026-11-06."
 },
 "notes": {
  "prompts": "The query is the operator's; the run's hour is not in the paste, the date is the paste's receipt (2026-11-06 09:30 EST).",
  "operator": "with the four pastes (2026-11-06 09:30 EST): 'lets proceed to 1.1 and the public piece and other items'. The searches were asked for at 09:21 for the NonWiki rows."
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 "axn": "AXN:0C1A.CAPTURE.🀄👁️⏫🌒♻️🔒",
 "scope": "external",
 "scope_basis": "originator external; no composition cites an archive-controlled or authored source",
 "record_url": "https://www.alexanarch.org/captures/3i-atlas-hydroxyl-aio-20261106/"
}