{"dep": 1742, "title": "What the Filters Kept: 3I/ATLAS, the Loeb Overview, and a Public-Data Signal Search (EA-3I-ATLAS-NOTEBOOK-01 v1.1)", "date": "2026-11-06", "para": 0, "sent": 0, "sentence": "--- deposit_number: 1742 hex: 0C17 title: \"What the Filters Kept: 3I/ATLAS, the Loeb Overview, and a Public-Data Signal Search (EA-3I-ATLAS-NOTEBOOK-01 v1.1)\" creator: Glas, Nobel; Trace, Orin orcid: 0009-0000-1599-0703 date: 2026-11-06 content_type: Notebook; working record of a public-data technosignature search (Transactions on Substrate Engineering); frozen plans, results and files license: CC-BY-4.0 substrate: \"AI-assisted (substrate).", "classes": ["radio technosignature searches of 3I/ATLAS (searches that include the band)"], "kind": "O-class", "categories": ["orcid: 0009-0000-1599-0703"], "class_basis": {"radio technosignature searches of 3I/ATLAS (searches that include the band)": "field: B4 (Breakthrough Listen's 3I/ATLAS page, card 4: 'In parallel with these observations, the BLUSE (Breakthrough Listen User Supplied Equipment) computer at MeerKAT searched the data for technosignatures.'; 'No artificial radio emission was detected at a limit of 0.17 W over the 900 - 1670 MHz range'); B9 (ATel #17499: 'we established a detection limit of 0.17 W over the 900-1670 MHz range'). T's body names the Green Bank Telescope and the Allen Telescope Array at the band."}, "cand_id": "O0001"}
{"dep": 1742, "title": "What the Filters Kept: 3I/ATLAS, the Loeb Overview, and a Public-Data Signal Search (EA-3I-ATLAS-NOTEBOOK-01 v1.1)", "date": "2026-11-06", "para": 7, "sent": 26, "sentence": "```json { \"@context\": [ \"https://schema.org\", { \"spxi\": \"https://spxi.dev/ns/v1#\" } ], \"@type\": \"ScholarlyArticle\", \"name\": \"What the Filters Kept: 3I/ATLAS, the Loeb Overview, and a Public-Data Signal Search\", \"alternateName\": \"EA-3I-ATLAS-NOTEBOOK-01\", \"version\": \"1.1\", \"datePublished\": \"2026-11-06\", \"dateModified\": \"2026-11-06\", \"license\": \"https://creativecommons.org/licenses/by/4.0/\", \"author\": [ { \"@type\": \"Person\", \"name\": \"Glas, Nobel\", \"affiliation\": \"Crimson Hexagonal Archive\" }, { \"@type\": \"Person\", \"name\": \"Trace, Orin\", \"affiliation\": \"Crimson Hexagonal Archive\" } ], \"isPartOf\": { \"@type\": \"Periodical\", \"name\": \"Transactions on Substrate Engineering\" }, \"about\": [ { \"@type\": \"Thing\", \"name\": \"3I/ATLAS\" }, { \"@type\": \"Person\", \"name\": \"Avi Loeb\" }, { \"@type\": \"CreativeWork\", \"name\": \"Google AI Overview\" }, { \"@type\": \"Organization\", \"name\": \"Breakthrough Listen\" }, { \"@type\":", "classes": ["radio technosignature searches of 3I/ATLAS (searches that include the band)"], "kind": "O-class", "categories": ["AI Overview", "Crimson Hexagonal Archive", "Google AI Overview"], "class_basis": {"radio technosignature searches of 3I/ATLAS (searches that include the band)": "field: B4 (Breakthrough Listen's 3I/ATLAS page, card 4: 'In parallel with these observations, the BLUSE (Breakthrough Listen User Supplied Equipment) computer at MeerKAT searched the data for technosignatures.'; 'No artificial radio emission was detected at a limit of 0.17 W over the 900 - 1670 MHz range'); B9 (ATel #17499: 'we established a detection limit of 0.17 W over the 900-1670 MHz range'). T's body names the Green Bank Telescope and the Allen Telescope Array at the band."}, "cand_id": "O0002"}
{"dep": 1742, "title": "What the Filters Kept: 3I/ATLAS, the Loeb Overview, and a Public-Data Signal Search (EA-3I-ATLAS-NOTEBOOK-01 v1.1)", "date": "2026-11-06", "para": 10, "sent": 35, "sentence": "0.2 One empirical result stands unresolved: in the Green Bank L-band cadence of 2025-12-18, a comet-frame coincidence count at 1665.53–1668.46 MHz gives 13 clusters against 3.75 ± 2.05 (maximum 8) for 40 false-acceleration frames.", "alias": ["\\b166[5-8](\\.\\d+)?\\s?MHz\\b"], "kind": "O-direct", "categories": ["comet-frame coincidence count"], "cand_id": "O0003"}
{"dep": 1742, "title": "What the Filters Kept: 3I/ATLAS, the Loeb Overview, and a Public-Data Signal Search (EA-3I-ATLAS-NOTEBOOK-01 v1.1)", "date": "2026-11-06", "para": 17, "sent": 57, "sentence": "The paper of July 2025 (Hibberd, Crowl and Loeb, arXiv:2507.12213, §7): \"By far the most likely outcome will be that 3I/ATLAS is a completely natural interstellar object, probably a comet.\" The Loeb Scale paper of August 2025 (arXiv:2508.09167) places 3I/ATLAS at Level 4 (\"3I/ATLAS (Level 4) as test cases\", abstract), the tier of anomalies meeting potential technosignature criteria, one step below the Orange Zone: \"The Orange Zone encompasses Levels 5-7, marking the qualitative shift to suspected artificial origin requiring immediate strategic response\"; and \"Level 4 classification does not imply artificial origin but rather indicates sufficient anomalies to warrant comprehensive investigation of all possibilities, including technological hypotheses\" (sources/arxiv-2508.09167.pdf, text ll. 52, 313–315, 606–610).", "classes": ["radio technosignature searches of 3I/ATLAS (searches that include the band)"], "kind": "O-class", "categories": ["does not"], "class_basis": {"radio technosignature searches of 3I/ATLAS (searches that include the band)": "field: B4 (Breakthrough Listen's 3I/ATLAS page, card 4: 'In parallel with these observations, the BLUSE (Breakthrough Listen User Supplied Equipment) computer at MeerKAT searched the data for technosignatures.'; 'No artificial radio emission was detected at a limit of 0.17 W over the 900 - 1670 MHz range'); B9 (ATel #17499: 'we established a detection limit of 0.17 W over the 900-1670 MHz range'). T's body names the Green Bank Telescope and the Allen Telescope Array at the band."}, "cand_id": "O0004"}
{"dep": 1742, "title": "What the Filters Kept: 3I/ATLAS, the Loeb Overview, and a Public-Data Signal Search (EA-3I-ATLAS-NOTEBOOK-01 v1.1)", "date": "2026-11-06", "para": 83, "sent": 344, "sentence": "\"An event discarded before durable retention does not exist for any future ontology.\" Breakthrough Listen classifies after preservation: the hit lists sit beside spectral products that keep the powers below threshold (§4.2).", "classes": ["radio technosignature searches of 3I/ATLAS (searches that include the band)"], "kind": "O-class", "categories": ["does not"], "class_basis": {"radio technosignature searches of 3I/ATLAS (searches that include the band)": "field: B4 (Breakthrough Listen's 3I/ATLAS page, card 4: 'In parallel with these observations, the BLUSE (Breakthrough Listen User Supplied Equipment) computer at MeerKAT searched the data for technosignatures.'; 'No artificial radio emission was detected at a limit of 0.17 W over the 900 - 1670 MHz range'); B9 (ATel #17499: 'we established a detection limit of 0.17 W over the 900-1670 MHz range'). T's body names the Green Bank Telescope and the Allen Telescope Array at the band."}, "cand_id": "O0005"}
{"dep": 1742, "title": "What the Filters Kept: 3I/ATLAS, the Loeb Overview, and a Public-Data Signal Search (EA-3I-ATLAS-NOTEBOOK-01 v1.1)", "date": "2026-11-06", "para": 92, "sent": 392, "sentence": "Still open: a session at 1665–1668 MHz with the GBT's sensitivity on another date; the raw voltages of the 2025-12-18 scans, if public. 10.4 The Overview: seated 2026-11-02 (AXN:0BE0.CAPTURE); quoted from its paste. 10.5 Author and venue ruled 2026-11-03: Nobel Glas, Transactions on Substrate Engineering, the author and the line of THE ATLAS PERIHELION PRANK (#454).", "alias": ["\\b166[5-8](\\.\\d+)?\\s?MHz\\b"], "kind": "O-direct", "categories": ["Nobel Glas", "the author"], "cand_id": "O0006"}
{"dep": 1742, "title": "What the Filters Kept: 3I/ATLAS, the Loeb Overview, and a Public-Data Signal Search (EA-3I-ATLAS-NOTEBOOK-01 v1.1)", "date": "2026-11-06", "para": 92, "sent": 395, "sentence": "The notebook's pages: https://www.lagrangeobservatory.org/atlas and https://www.provenanceerasure.org/atlas; the public piece's: https://www.semanticeconomy.org/firm-no. 10.10 Sophistry measure: countertests S1, S3, S4 and S6 are Capture Registry addresses for the operator; the ATA paper and the Intelligent Living article are to be saved as sources and the witness check rerun against them (sophistry/FINDINGS-sophistry.md, R1–R3). 10.11 ATA July 3 along the true drift at C08–C13 (1667.41–1668.43 MHz): unsearched.", "alias": ["\\b166[5-8](\\.\\d+)?\\s?MHz\\b"], "kind": "O-direct", "categories": ["Capture Registry", "Sophistry measure"], "cand_id": "O0007"}
{"dep": 1742, "title": "What the Filters Kept: 3I/ATLAS, the Loeb Overview, and a Public-Data Signal Search (EA-3I-ATLAS-NOTEBOOK-01 v1.1)", "date": "2026-11-06", "para": 103, "sent": 417, "sentence": "On the scale, Level 4 is a possible technosignature and the highest rank below the Orange Zone's \"qualitative shift to suspected artificial origin\"; the operator's gloss of 07:51 (\"level four means possibly technosignature but just under the threshold where it is more likely to be natural than technical\") matches the scale's structure.", "classes": ["radio technosignature searches of 3I/ATLAS (searches that include the band)"], "kind": "O-class", "categories": ["the threshold"], "class_basis": {"radio technosignature searches of 3I/ATLAS (searches that include the band)": "field: B4 (Breakthrough Listen's 3I/ATLAS page, card 4: 'In parallel with these observations, the BLUSE (Breakthrough Listen User Supplied Equipment) computer at MeerKAT searched the data for technosignatures.'; 'No artificial radio emission was detected at a limit of 0.17 W over the 900 - 1670 MHz range'); B9 (ATel #17499: 'we established a detection limit of 0.17 W over the 900-1670 MHz range'). T's body names the Green Bank Telescope and the Allen Telescope Array at the band."}, "cand_id": "O0008"}
{"dep": 1743, "title": "A Firm No: What the 3I/ATLAS Radio Searches Could See (EA-3I-ATLAS-PUBLIC-01 v1.0)", "date": "2026-11-06", "para": 0, "sent": 3, "sentence": "Its angle, its ruling on the Overview's account of Loeb, and the decision to deposit are Lee Sharks's; what the essay claims is his decision.\" version: v1.0 related_ids: \"#1742 (What the Filters Kept, the companion notebook and its evidence); #1450 (The Iceberg Document); #1727 (the sophistry measure); #1523 (Frame Conversion); the capture avi-loeb-3i-atlas-aio (AXN:0BE0.CAPTURE); arXiv:2512.18142 (the ATA search); arXiv:2507.12213 (Hibberd, Crowl and Loeb); arXiv:2508.09167 (the Loeb Scale)\" axn_schema_version: v2 protocol_version: alexanarch-deposit-protocol/v1 keywords: - 3I/ATLAS - interstellar object - technosignature - SETI - Breakthrough Listen - Allen Telescope Array - Green Bank Telescope - drift rate - null result - Avi Loeb - Loeb Scale - AI Overview - public knowledge - A Firm No - Lee Sharks - Semantic Economy Institute - Transactions of the Semantic Economy Institute ---", "classes": ["radio technosignature searches of 3I/ATLAS (searches that include the band)"], "kind": "O-class", "categories": ["AI Overview", "Frame Conversion", "Semantic Economy Institute", "sophistry measure", "the capture", "the Semantic Economy", "Transactions of the Semantic Economy Institute"], "class_basis": {"radio technosignature searches of 3I/ATLAS (searches that include the band)": "field: B4 (Breakthrough Listen's 3I/ATLAS page, card 4: 'In parallel with these observations, the BLUSE (Breakthrough Listen User Supplied Equipment) computer at MeerKAT searched the data for technosignatures.'; 'No artificial radio emission was detected at a limit of 0.17 W over the 900 - 1670 MHz range'); B9 (ATel #17499: 'we established a detection limit of 0.17 W over the 900-1670 MHz range'). T's body names the Green Bank Telescope and the Allen Telescope Array at the band."}, "cand_id": "O0009"}
{"dep": 1743, "title": "A Firm No: What the 3I/ATLAS Radio Searches Could See (EA-3I-ATLAS-PUBLIC-01 v1.0)", "date": "2026-11-06", "para": 36, "sent": 97, "sentence": "It does not by itself place the features on the comet: the real sequence also carries the telescope's movements and the instrument's states through the night, and those stay possible explanations. - **Ruled out the usual suspects.** The comet's own hydroxyl emission would sit within about 11 kHz of known frequencies; the nearest of the thirteen is 54 kHz away.", "alias": ["\\bhydroxyl\\b"], "kind": "O-direct", "categories": ["does not"], "cand_id": "O0010"}
