{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:B4M3NMLX766O5UA5K3YT2QF5WK","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"d367a410f12c3bc28bd34e2967752fee343921965ee9b9170862cb43d988871b","cross_cats_sorted":["astro-ph.HE","hep-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2026-05-21T16:38:45Z","title_canon_sha256":"f590e091201e03a5f4790e72b0b8d250eb674ff0106fd9da7f3ac443aec5fcdc"},"schema_version":"1.0","source":{"id":"2605.22696","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.22696","created_at":"2026-05-22T02:04:50Z"},{"alias_kind":"arxiv_version","alias_value":"2605.22696v1","created_at":"2026-05-22T02:04:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.22696","created_at":"2026-05-22T02:04:50Z"},{"alias_kind":"pith_short_12","alias_value":"B4M3NMLX766O","created_at":"2026-05-22T02:04:50Z"},{"alias_kind":"pith_short_16","alias_value":"B4M3NMLX766O5UA5","created_at":"2026-05-22T02:04:50Z"},{"alias_kind":"pith_short_8","alias_value":"B4M3NMLX","created_at":"2026-05-22T02:04:50Z"}],"graph_snapshots":[{"event_id":"sha256:609b869d5357ad64c139fa3e634c47d3d28d77064ebde3664a2f513dd9dacc10","target":"graph","created_at":"2026-05-22T02:04:50Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2605.22696/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigate photon-axion conversion in the vicinity of rotating Kerr black holes where strong gravity traps photons on near-circular trajectories, effectively enhancing the path length. We explore the observable signatures of such a conversion near the photon region. The process, driven by ambient magnetic fields, is significantly more efficient around supermassive black holes such as M87*, since the luminosity of photons increases with the mass of the BH. By numerically evaluating photon path lengths (on which the conversion depends), we analyze how key parameters-photon frequency, axion m","authors_text":"Arindam Chatterjee, Ashmita Chakraborty, Indrani Banerjee, Rahul Dhyani, Sauvik Sen","cross_cats":["astro-ph.HE","hep-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2026-05-21T16:38:45Z","title":"Dimming of Photon Ring due to Photon-Axion Conversion around Kerr Black Holes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.22696","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:1a38ac02defc81e2983ee0ba91a9a6b7fa8d08d43ccfc6b9a21266a3f1bd590a","target":"record","created_at":"2026-05-22T02:04:50Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"d367a410f12c3bc28bd34e2967752fee343921965ee9b9170862cb43d988871b","cross_cats_sorted":["astro-ph.HE","hep-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2026-05-21T16:38:45Z","title_canon_sha256":"f590e091201e03a5f4790e72b0b8d250eb674ff0106fd9da7f3ac443aec5fcdc"},"schema_version":"1.0","source":{"id":"2605.22696","kind":"arxiv","version":1}},"canonical_sha256":"0f19b6b177ffbceed01d56f13d40bdb2965c3b6b67f198fe9e79a6c687ef7dae","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0f19b6b177ffbceed01d56f13d40bdb2965c3b6b67f198fe9e79a6c687ef7dae","first_computed_at":"2026-05-22T02:04:50.697692Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-22T02:04:50.697692Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XixlATM1QxjZ7DIo8KrwSehx7wbC+OXW5cTu/CQjWJYnHp2pPHt/ZBV6VbKZ+gI8Jz00481SUWW1vfjD207mCg==","signature_status":"signed_v1","signed_at":"2026-05-22T02:04:50.698352Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.22696","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1a38ac02defc81e2983ee0ba91a9a6b7fa8d08d43ccfc6b9a21266a3f1bd590a","sha256:609b869d5357ad64c139fa3e634c47d3d28d77064ebde3664a2f513dd9dacc10"],"state_sha256":"8f552bae495dcbea848144b31bdb0a39a7056812fb345138238e4f5a671d2845"}