{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:O3EQKSNCIE6GITQEDORDBQAR67","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":"be16b3a1ba7fda23eb9df023379ba826a68214f5ee338a08b577fb8e733b6714","cross_cats_sorted":["astro-ph.CO","gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-01-08T22:55:18Z","title_canon_sha256":"7a59d1b2f4da44ac63709314bf6ddedb6d01c513b05ce20f4d6daf2b9aff350c"},"schema_version":"1.0","source":{"id":"1701.02034","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.02034","created_at":"2026-05-18T00:20:44Z"},{"alias_kind":"arxiv_version","alias_value":"1701.02034v2","created_at":"2026-05-18T00:20:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.02034","created_at":"2026-05-18T00:20:44Z"},{"alias_kind":"pith_short_12","alias_value":"O3EQKSNCIE6G","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_16","alias_value":"O3EQKSNCIE6GITQE","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_8","alias_value":"O3EQKSNC","created_at":"2026-05-18T12:31:34Z"}],"graph_snapshots":[{"event_id":"sha256:bee30a0f11aade4117d5628a9a42939ab7feaf1f4514603801de6ad5beddac02","target":"graph","created_at":"2026-05-18T00:20:44Z","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"},"paper":{"abstract_excerpt":"Highly spinning Kerr black holes with masses $M = 1 - 100\\ M_{\\odot}$ are subject to an efficient superradiant instability in the presence of bosons with masses $\\mu \\sim 10^{-10} - 10^{-12}\\ {\\rm eV}$. We observe that this matches the effective plasma-induced photon mass in diffuse galactic or intracluster environments ($\\omega_{\\rm pl} \\sim 10^{-10} - 10^{-12}\\ {\\rm eV}$). This suggests that bare Kerr black holes within galactic or intracluster environments, possibly even including the ones produced in recently observed gravitational wave events, are unstable to formation of a photon cloud t","authors_text":"Carlos A. R. Herdeiro, Joseph P. Conlon","cross_cats":["astro-ph.CO","gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-01-08T22:55:18Z","title":"Can black hole superradiance be induced by galactic plasmas?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.02034","kind":"arxiv","version":2},"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:d26428fdb73c8913fd4361a770c101c5bc62a3b6e2e29c0f9fd172e5ff7a3334","target":"record","created_at":"2026-05-18T00:20:44Z","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":"be16b3a1ba7fda23eb9df023379ba826a68214f5ee338a08b577fb8e733b6714","cross_cats_sorted":["astro-ph.CO","gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-01-08T22:55:18Z","title_canon_sha256":"7a59d1b2f4da44ac63709314bf6ddedb6d01c513b05ce20f4d6daf2b9aff350c"},"schema_version":"1.0","source":{"id":"1701.02034","kind":"arxiv","version":2}},"canonical_sha256":"76c90549a2413c644e041ba230c011f7d53e5cc8fe493a84ce2ba231eef20acf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"76c90549a2413c644e041ba230c011f7d53e5cc8fe493a84ce2ba231eef20acf","first_computed_at":"2026-05-18T00:20:44.779019Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:20:44.779019Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MQNZdcK7+ae70k3rlM2UCD7eTGsttCCdV+4eeufen8jVxfkMsl1uXcuOXdeKox9fhORg0CSw695J6SVf3HSQDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:20:44.779679Z","signed_message":"canonical_sha256_bytes"},"source_id":"1701.02034","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d26428fdb73c8913fd4361a770c101c5bc62a3b6e2e29c0f9fd172e5ff7a3334","sha256:bee30a0f11aade4117d5628a9a42939ab7feaf1f4514603801de6ad5beddac02"],"state_sha256":"ec2240ccf574e54635ef1622bb57124b4cde4416d79839e654f56149c4778091"}