{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:GD57RNPWSG57P2QPCMOG2UM6ST","short_pith_number":"pith:GD57RNPW","canonical_record":{"source":{"id":"1310.0815","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-10-02T20:00:00Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"3524481c359a578852fa8369ec6cb936d91f6c1e063957bdee8e01dcd94e8d43","abstract_canon_sha256":"861b1646fd1ed733c57b3f80158243b679c72e9a87481535dcf2b397b4a3f73b"},"schema_version":"1.0"},"canonical_sha256":"30fbf8b5f691bbf7ea0f131c6d519e94ef081306118c95b63d069c0cd47f337f","source":{"kind":"arxiv","id":"1310.0815","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.0815","created_at":"2026-05-18T03:11:25Z"},{"alias_kind":"arxiv_version","alias_value":"1310.0815v1","created_at":"2026-05-18T03:11:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.0815","created_at":"2026-05-18T03:11:25Z"},{"alias_kind":"pith_short_12","alias_value":"GD57RNPWSG57","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_16","alias_value":"GD57RNPWSG57P2QP","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_8","alias_value":"GD57RNPW","created_at":"2026-05-18T12:27:45Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:GD57RNPWSG57P2QPCMOG2UM6ST","target":"record","payload":{"canonical_record":{"source":{"id":"1310.0815","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-10-02T20:00:00Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"3524481c359a578852fa8369ec6cb936d91f6c1e063957bdee8e01dcd94e8d43","abstract_canon_sha256":"861b1646fd1ed733c57b3f80158243b679c72e9a87481535dcf2b397b4a3f73b"},"schema_version":"1.0"},"canonical_sha256":"30fbf8b5f691bbf7ea0f131c6d519e94ef081306118c95b63d069c0cd47f337f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:11:25.324848Z","signature_b64":"dubS1I5oWLaajLBI+vPYj/fCgXTQ1AN7pXRCtT1ff/nqJICFl9pjXEbFHYORuQMGcv4TXkXSq9sfdQM4sthTCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"30fbf8b5f691bbf7ea0f131c6d519e94ef081306118c95b63d069c0cd47f337f","last_reissued_at":"2026-05-18T03:11:25.324143Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:11:25.324143Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1310.0815","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:11:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YB+SiZkSW0643xaTHZOBjX/x23eUmGXzzPLh/njMHKUtGPPrTubi4jYbmS7SXEloh7mad0KAw8AI6qYBasX7Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T14:55:34.569220Z"},"content_sha256":"c0f21a16f587ea671bba1e463af083dca57ef17ab469a00474391b0adf167c85","schema_version":"1.0","event_id":"sha256:c0f21a16f587ea671bba1e463af083dca57ef17ab469a00474391b0adf167c85"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:GD57RNPWSG57P2QPCMOG2UM6ST","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Menus for Feeding Black Holes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.CO","authors_text":"Abraham Loeb, Bence Kocsis","submitted_at":"2013-10-02T20:00:00Z","abstract_excerpt":"Black holes are the ultimate prisons of the Universe, regions of spacetime where the enormous gravity prohibits matter or even light to escape to infinity. Yet, matter falling toward the black holes may shine spectacularly, generating the strongest source of radiation. These sources provide us with astrophysical laboratories of extreme physical conditions that cannot be realized on Earth. This chapter offers a review of the basic menus for feeding matter onto black holes and discusses their observational implications."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.0815","kind":"arxiv","version":1},"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":"2026-05-18T03:11:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PqWlJ5TLSTCsCCiPYFMHlPyQFqxwb6B1oIYM3tY1vXt5ZH9P1hYOdVbu50Kg3i+RpptyPIxNYrpD1wofh1KhBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T14:55:34.569592Z"},"content_sha256":"9af4d22481583ded1fa7de087a21a4c00535727fbfb8713127911da46be759d8","schema_version":"1.0","event_id":"sha256:9af4d22481583ded1fa7de087a21a4c00535727fbfb8713127911da46be759d8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GD57RNPWSG57P2QPCMOG2UM6ST/bundle.json","state_url":"https://pith.science/pith/GD57RNPWSG57P2QPCMOG2UM6ST/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GD57RNPWSG57P2QPCMOG2UM6ST/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":"2026-05-30T14:55:34Z","links":{"resolver":"https://pith.science/pith/GD57RNPWSG57P2QPCMOG2UM6ST","bundle":"https://pith.science/pith/GD57RNPWSG57P2QPCMOG2UM6ST/bundle.json","state":"https://pith.science/pith/GD57RNPWSG57P2QPCMOG2UM6ST/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GD57RNPWSG57P2QPCMOG2UM6ST/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:GD57RNPWSG57P2QPCMOG2UM6ST","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":"861b1646fd1ed733c57b3f80158243b679c72e9a87481535dcf2b397b4a3f73b","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-10-02T20:00:00Z","title_canon_sha256":"3524481c359a578852fa8369ec6cb936d91f6c1e063957bdee8e01dcd94e8d43"},"schema_version":"1.0","source":{"id":"1310.0815","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.0815","created_at":"2026-05-18T03:11:25Z"},{"alias_kind":"arxiv_version","alias_value":"1310.0815v1","created_at":"2026-05-18T03:11:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.0815","created_at":"2026-05-18T03:11:25Z"},{"alias_kind":"pith_short_12","alias_value":"GD57RNPWSG57","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_16","alias_value":"GD57RNPWSG57P2QP","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_8","alias_value":"GD57RNPW","created_at":"2026-05-18T12:27:45Z"}],"graph_snapshots":[{"event_id":"sha256:9af4d22481583ded1fa7de087a21a4c00535727fbfb8713127911da46be759d8","target":"graph","created_at":"2026-05-18T03:11:25Z","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":"Black holes are the ultimate prisons of the Universe, regions of spacetime where the enormous gravity prohibits matter or even light to escape to infinity. Yet, matter falling toward the black holes may shine spectacularly, generating the strongest source of radiation. These sources provide us with astrophysical laboratories of extreme physical conditions that cannot be realized on Earth. This chapter offers a review of the basic menus for feeding matter onto black holes and discusses their observational implications.","authors_text":"Abraham Loeb, Bence Kocsis","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-10-02T20:00:00Z","title":"Menus for Feeding Black Holes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.0815","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:c0f21a16f587ea671bba1e463af083dca57ef17ab469a00474391b0adf167c85","target":"record","created_at":"2026-05-18T03:11:25Z","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":"861b1646fd1ed733c57b3f80158243b679c72e9a87481535dcf2b397b4a3f73b","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-10-02T20:00:00Z","title_canon_sha256":"3524481c359a578852fa8369ec6cb936d91f6c1e063957bdee8e01dcd94e8d43"},"schema_version":"1.0","source":{"id":"1310.0815","kind":"arxiv","version":1}},"canonical_sha256":"30fbf8b5f691bbf7ea0f131c6d519e94ef081306118c95b63d069c0cd47f337f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"30fbf8b5f691bbf7ea0f131c6d519e94ef081306118c95b63d069c0cd47f337f","first_computed_at":"2026-05-18T03:11:25.324143Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:11:25.324143Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dubS1I5oWLaajLBI+vPYj/fCgXTQ1AN7pXRCtT1ff/nqJICFl9pjXEbFHYORuQMGcv4TXkXSq9sfdQM4sthTCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:11:25.324848Z","signed_message":"canonical_sha256_bytes"},"source_id":"1310.0815","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c0f21a16f587ea671bba1e463af083dca57ef17ab469a00474391b0adf167c85","sha256:9af4d22481583ded1fa7de087a21a4c00535727fbfb8713127911da46be759d8"],"state_sha256":"fdc22f885af1ef680bf78f0aed76fa61bde0fc970ada27f83230bae8224efde7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1kfigm1p5J/frYBcYvWx8s64VMUfmnILnjTeItk/RbLCCWS7LLUf1m60Qd3pCw49mfehlbFxyAqjrOUaoGh1Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T14:55:34.571738Z","bundle_sha256":"f7746f95f2a94cfbef1f724217ab8b519c5c96c86b743e9311f94cd71469e737"}}