Alexanarch · DOI resolution · severed identifier
This DOI identified SPXI ROI: Operational and Visibility Returns — EA-SPXI-09.1 (Nested-Layer Returns Bonsai) (matched by exact title). Since 2026-06-19, the DOI now resolves to a Zenodo tombstone (HTTP 410) and no longer reaches the work. The work was not withdrawn by its author and has not changed. It continues here:
If you arrived here holding the DOI: cite the record above. The AXN is derived from the work’s own bytes and does not depend on any host.
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