{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:3M7NWOBCKT7BK4F3TP35AGYU7A","short_pith_number":"pith:3M7NWOBC","canonical_record":{"source":{"id":"1712.03398","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-12-09T15:05:25Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"0b795434802ad196d74b398b2e2c36225a2f2c1e35f60c0ad79e0df208b62ada","abstract_canon_sha256":"41a7c12e6d624965932d40089209e0ece4badd51b5b21d53423e583af3eb199e"},"schema_version":"1.0"},"canonical_sha256":"db3edb382254fe1570bb9bf7d01b14f80ca9e9725223d4ba71855cc338b29e77","source":{"kind":"arxiv","id":"1712.03398","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.03398","created_at":"2026-05-18T00:18:52Z"},{"alias_kind":"arxiv_version","alias_value":"1712.03398v2","created_at":"2026-05-18T00:18:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.03398","created_at":"2026-05-18T00:18:52Z"},{"alias_kind":"pith_short_12","alias_value":"3M7NWOBCKT7B","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_16","alias_value":"3M7NWOBCKT7BK4F3","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_8","alias_value":"3M7NWOBC","created_at":"2026-05-18T12:30:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:3M7NWOBCKT7BK4F3TP35AGYU7A","target":"record","payload":{"canonical_record":{"source":{"id":"1712.03398","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-12-09T15:05:25Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"0b795434802ad196d74b398b2e2c36225a2f2c1e35f60c0ad79e0df208b62ada","abstract_canon_sha256":"41a7c12e6d624965932d40089209e0ece4badd51b5b21d53423e583af3eb199e"},"schema_version":"1.0"},"canonical_sha256":"db3edb382254fe1570bb9bf7d01b14f80ca9e9725223d4ba71855cc338b29e77","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:18:52.740515Z","signature_b64":"R5goKr2Zo29MganxeoJtLx9NUomRfb+EDXcwY1txJe+cMQ611Hoj4OA6NONpzMpt8rEqZ0ilDgYQlGxVLplNAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"db3edb382254fe1570bb9bf7d01b14f80ca9e9725223d4ba71855cc338b29e77","last_reissued_at":"2026-05-18T00:18:52.739988Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:18:52.739988Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1712.03398","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:18:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xASWgtG9SdKYfWSQ2MDQaC0kg3lOn4PNMo5K5j8ZtMyPdVuavPWfbP40VtO27wjsWygoTO6vjw+vXLyY8paDBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T12:38:05.949859Z"},"content_sha256":"56aeb0d103291c4f6360c5f2dec97799aeb67980a3bda1891ea1f13464b2634e","schema_version":"1.0","event_id":"sha256:56aeb0d103291c4f6360c5f2dec97799aeb67980a3bda1891ea1f13464b2634e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:3M7NWOBCKT7BK4F3TP35AGYU7A","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Superradiant instabilities in the Kerr-mirror and Kerr-AdS black holes with Robin boundary conditions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"Carlos A. R. Herdeiro, Hugo R. C. Ferreira","submitted_at":"2017-12-09T15:05:25Z","abstract_excerpt":"It has been recently observed that a scalar field with Robin boundary conditions (RBCs) can trigger both a superradiant and a bulk instability for a BTZ black hole (BH). To understand the generality and scrutinize the origin of this behavior, we consider here the superradiant instability of a Kerr BH confined either in a mirror-like cavity or in AdS space, triggered also by a scalar field with RBCs. These boundary conditions are the most general ones that ensure the cavity/AdS space is an isolated system, and include, as a particular case, the commonly considered Dirichlet boundary conditions "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.03398","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:18:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fyJKAC9ss1gnCc+8W0R7m4kuF8jn3zmrvbkQESSmg8qgc9dZqE54PyphPodgmFv091/412M9UWXESVwD5cctCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T12:38:05.950568Z"},"content_sha256":"3d5ed15067d6052a1b47b24783cb573bd359a7c72fdc85a0c8418667818e7e77","schema_version":"1.0","event_id":"sha256:3d5ed15067d6052a1b47b24783cb573bd359a7c72fdc85a0c8418667818e7e77"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3M7NWOBCKT7BK4F3TP35AGYU7A/bundle.json","state_url":"https://pith.science/pith/3M7NWOBCKT7BK4F3TP35AGYU7A/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3M7NWOBCKT7BK4F3TP35AGYU7A/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-06T12:38:05Z","links":{"resolver":"https://pith.science/pith/3M7NWOBCKT7BK4F3TP35AGYU7A","bundle":"https://pith.science/pith/3M7NWOBCKT7BK4F3TP35AGYU7A/bundle.json","state":"https://pith.science/pith/3M7NWOBCKT7BK4F3TP35AGYU7A/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3M7NWOBCKT7BK4F3TP35AGYU7A/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:3M7NWOBCKT7BK4F3TP35AGYU7A","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":"41a7c12e6d624965932d40089209e0ece4badd51b5b21d53423e583af3eb199e","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-12-09T15:05:25Z","title_canon_sha256":"0b795434802ad196d74b398b2e2c36225a2f2c1e35f60c0ad79e0df208b62ada"},"schema_version":"1.0","source":{"id":"1712.03398","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.03398","created_at":"2026-05-18T00:18:52Z"},{"alias_kind":"arxiv_version","alias_value":"1712.03398v2","created_at":"2026-05-18T00:18:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.03398","created_at":"2026-05-18T00:18:52Z"},{"alias_kind":"pith_short_12","alias_value":"3M7NWOBCKT7B","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_16","alias_value":"3M7NWOBCKT7BK4F3","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_8","alias_value":"3M7NWOBC","created_at":"2026-05-18T12:30:58Z"}],"graph_snapshots":[{"event_id":"sha256:3d5ed15067d6052a1b47b24783cb573bd359a7c72fdc85a0c8418667818e7e77","target":"graph","created_at":"2026-05-18T00:18:52Z","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":"It has been recently observed that a scalar field with Robin boundary conditions (RBCs) can trigger both a superradiant and a bulk instability for a BTZ black hole (BH). To understand the generality and scrutinize the origin of this behavior, we consider here the superradiant instability of a Kerr BH confined either in a mirror-like cavity or in AdS space, triggered also by a scalar field with RBCs. These boundary conditions are the most general ones that ensure the cavity/AdS space is an isolated system, and include, as a particular case, the commonly considered Dirichlet boundary conditions ","authors_text":"Carlos A. R. Herdeiro, Hugo R. C. Ferreira","cross_cats":["hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-12-09T15:05:25Z","title":"Superradiant instabilities in the Kerr-mirror and Kerr-AdS black holes with Robin boundary conditions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.03398","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":"sha256:56aeb0d103291c4f6360c5f2dec97799aeb67980a3bda1891ea1f13464b2634e","target":"record","created_at":"2026-05-18T00:18:52Z","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":"41a7c12e6d624965932d40089209e0ece4badd51b5b21d53423e583af3eb199e","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-12-09T15:05:25Z","title_canon_sha256":"0b795434802ad196d74b398b2e2c36225a2f2c1e35f60c0ad79e0df208b62ada"},"schema_version":"1.0","source":{"id":"1712.03398","kind":"arxiv","version":2}},"canonical_sha256":"db3edb382254fe1570bb9bf7d01b14f80ca9e9725223d4ba71855cc338b29e77","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"db3edb382254fe1570bb9bf7d01b14f80ca9e9725223d4ba71855cc338b29e77","first_computed_at":"2026-05-18T00:18:52.739988Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:18:52.739988Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"R5goKr2Zo29MganxeoJtLx9NUomRfb+EDXcwY1txJe+cMQ611Hoj4OA6NONpzMpt8rEqZ0ilDgYQlGxVLplNAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:18:52.740515Z","signed_message":"canonical_sha256_bytes"},"source_id":"1712.03398","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:56aeb0d103291c4f6360c5f2dec97799aeb67980a3bda1891ea1f13464b2634e","sha256:3d5ed15067d6052a1b47b24783cb573bd359a7c72fdc85a0c8418667818e7e77"],"state_sha256":"345459f8ef07e94025812f8c785afe53ee30c6ca97848d9f4d2874c011d0795a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8Pwrd4jtgwQsZTJfdYD0y+69mwh9OU6rAZ0yKoL0lkpotuxyp/szHAkNj0PBTL/dpDXSpYEOA3jFRiH9luWVCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T12:38:05.953614Z","bundle_sha256":"aad9f34ad8918fb1caa3009ffc2df2caa97f114e3d6a2373fa58eea5fa93ff4b"}}