{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:DA2RMRTYTJ6MLN2XGXQQKWNWCV","short_pith_number":"pith:DA2RMRTY","canonical_record":{"source":{"id":"0803.0322","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-03-03T21:06:59Z","cross_cats_sorted":[],"title_canon_sha256":"83149220ee9a0d6d180b5ed3e1d84b3e823c0210b16e6412bc496a1b74ea57c8","abstract_canon_sha256":"0459bed35dc3ab7e209f1b8670d7d9cfa4feb12adf8e423fc97dcfa0eed39bc9"},"schema_version":"1.0"},"canonical_sha256":"18351646789a7cc5b75735e10559b61569141522f7101452f7a9ad00a646d4ef","source":{"kind":"arxiv","id":"0803.0322","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0803.0322","created_at":"2026-07-04T15:44:43Z"},{"alias_kind":"arxiv_version","alias_value":"0803.0322v1","created_at":"2026-07-04T15:44:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0803.0322","created_at":"2026-07-04T15:44:43Z"},{"alias_kind":"pith_short_12","alias_value":"DA2RMRTYTJ6M","created_at":"2026-07-04T15:44:43Z"},{"alias_kind":"pith_short_16","alias_value":"DA2RMRTYTJ6MLN2X","created_at":"2026-07-04T15:44:43Z"},{"alias_kind":"pith_short_8","alias_value":"DA2RMRTY","created_at":"2026-07-04T15:44:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:DA2RMRTYTJ6MLN2XGXQQKWNWCV","target":"record","payload":{"canonical_record":{"source":{"id":"0803.0322","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-03-03T21:06:59Z","cross_cats_sorted":[],"title_canon_sha256":"83149220ee9a0d6d180b5ed3e1d84b3e823c0210b16e6412bc496a1b74ea57c8","abstract_canon_sha256":"0459bed35dc3ab7e209f1b8670d7d9cfa4feb12adf8e423fc97dcfa0eed39bc9"},"schema_version":"1.0"},"canonical_sha256":"18351646789a7cc5b75735e10559b61569141522f7101452f7a9ad00a646d4ef","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:44:43.522163Z","signature_b64":"73UysgwgKubFTac2sP+IaNDj000FJIPxwuY2h8hESyG5YnOvu56fe1LIZE/GGn1hQ91Tp5i1mRRAd9Ess+4rBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"18351646789a7cc5b75735e10559b61569141522f7101452f7a9ad00a646d4ef","last_reissued_at":"2026-07-04T15:44:43.521652Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:44:43.521652Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0803.0322","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":"2026-07-04T15:44:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lJk3G7tFvdPlLMt8ZyvYAksJe/C+C3DiB4yg30vfEk7N+zktmo/wFmRTzpYiCAeiLVhwRad5P2TKWIellbN/Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T08:46:34.495567Z"},"content_sha256":"d7977a6f40b460cceb1be71729d7603d425752f2d2057e41d999bf3061e727a2","schema_version":"1.0","event_id":"sha256:d7977a6f40b460cceb1be71729d7603d425752f2d2057e41d999bf3061e727a2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:DA2RMRTYTJ6MLN2XGXQQKWNWCV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Advection-Dominated Accretion and the Black Hole Event Horizon","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Jeffrey E. McClintock, Ramesh Narayan","submitted_at":"2008-03-03T21:06:59Z","abstract_excerpt":"As the luminosity of an accreting black hole drops to a few percent of Eddington, the spectrum switches from the familiar soft state to a hard state that is well-described by a distended and tenuous advection-dominated accretion flow (ADAF). An ADAF is a poor radiator, and the ion temperature can approach 10^{12} K near the center, although the electrons are cooler, with their temperature typically capped at ~10^{9-11} K. The foundational papers predicted that the large thermal energy in an ADAF would drive strong winds and jets, as later observed and also confirmed in computer simulations. Of"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0803.0322","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/0803.0322/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T15:44:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ru+B6jNfXrZ7POAIcl6RSvHdlCs5ux78173z0iup/yCYCGgk+XvmwAd98ufpRv3NkrtFqMUmxez1gNL5qJhhAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T08:46:34.496065Z"},"content_sha256":"1003901d3484a245d456d855dbfd2e8a3458aa43297cfc59b2e87f1b366f17a4","schema_version":"1.0","event_id":"sha256:1003901d3484a245d456d855dbfd2e8a3458aa43297cfc59b2e87f1b366f17a4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DA2RMRTYTJ6MLN2XGXQQKWNWCV/bundle.json","state_url":"https://pith.science/pith/DA2RMRTYTJ6MLN2XGXQQKWNWCV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DA2RMRTYTJ6MLN2XGXQQKWNWCV/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":"2026-08-08T08:46:34Z","links":{"resolver":"https://pith.science/pith/DA2RMRTYTJ6MLN2XGXQQKWNWCV","bundle":"https://pith.science/pith/DA2RMRTYTJ6MLN2XGXQQKWNWCV/bundle.json","state":"https://pith.science/pith/DA2RMRTYTJ6MLN2XGXQQKWNWCV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DA2RMRTYTJ6MLN2XGXQQKWNWCV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:DA2RMRTYTJ6MLN2XGXQQKWNWCV","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":"0459bed35dc3ab7e209f1b8670d7d9cfa4feb12adf8e423fc97dcfa0eed39bc9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-03-03T21:06:59Z","title_canon_sha256":"83149220ee9a0d6d180b5ed3e1d84b3e823c0210b16e6412bc496a1b74ea57c8"},"schema_version":"1.0","source":{"id":"0803.0322","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0803.0322","created_at":"2026-07-04T15:44:43Z"},{"alias_kind":"arxiv_version","alias_value":"0803.0322v1","created_at":"2026-07-04T15:44:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0803.0322","created_at":"2026-07-04T15:44:43Z"},{"alias_kind":"pith_short_12","alias_value":"DA2RMRTYTJ6M","created_at":"2026-07-04T15:44:43Z"},{"alias_kind":"pith_short_16","alias_value":"DA2RMRTYTJ6MLN2X","created_at":"2026-07-04T15:44:43Z"},{"alias_kind":"pith_short_8","alias_value":"DA2RMRTY","created_at":"2026-07-04T15:44:43Z"}],"graph_snapshots":[{"event_id":"sha256:1003901d3484a245d456d855dbfd2e8a3458aa43297cfc59b2e87f1b366f17a4","target":"graph","created_at":"2026-07-04T15:44:43Z","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/0803.0322/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"As the luminosity of an accreting black hole drops to a few percent of Eddington, the spectrum switches from the familiar soft state to a hard state that is well-described by a distended and tenuous advection-dominated accretion flow (ADAF). An ADAF is a poor radiator, and the ion temperature can approach 10^{12} K near the center, although the electrons are cooler, with their temperature typically capped at ~10^{9-11} K. The foundational papers predicted that the large thermal energy in an ADAF would drive strong winds and jets, as later observed and also confirmed in computer simulations. Of","authors_text":"Jeffrey E. McClintock, Ramesh Narayan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-03-03T21:06:59Z","title":"Advection-Dominated Accretion and the Black Hole Event Horizon"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0803.0322","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:d7977a6f40b460cceb1be71729d7603d425752f2d2057e41d999bf3061e727a2","target":"record","created_at":"2026-07-04T15:44:43Z","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":"0459bed35dc3ab7e209f1b8670d7d9cfa4feb12adf8e423fc97dcfa0eed39bc9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-03-03T21:06:59Z","title_canon_sha256":"83149220ee9a0d6d180b5ed3e1d84b3e823c0210b16e6412bc496a1b74ea57c8"},"schema_version":"1.0","source":{"id":"0803.0322","kind":"arxiv","version":1}},"canonical_sha256":"18351646789a7cc5b75735e10559b61569141522f7101452f7a9ad00a646d4ef","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"18351646789a7cc5b75735e10559b61569141522f7101452f7a9ad00a646d4ef","first_computed_at":"2026-07-04T15:44:43.521652Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:44:43.521652Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"73UysgwgKubFTac2sP+IaNDj000FJIPxwuY2h8hESyG5YnOvu56fe1LIZE/GGn1hQ91Tp5i1mRRAd9Ess+4rBg==","signature_status":"signed_v1","signed_at":"2026-07-04T15:44:43.522163Z","signed_message":"canonical_sha256_bytes"},"source_id":"0803.0322","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d7977a6f40b460cceb1be71729d7603d425752f2d2057e41d999bf3061e727a2","sha256:1003901d3484a245d456d855dbfd2e8a3458aa43297cfc59b2e87f1b366f17a4"],"state_sha256":"7cc4406daa91748c00a00b596fac303eeefe9ee2b60d8dd79d62864ea94dc3d8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jLEtBnDBx2gZrmhBbe7zlFzSrNyM/EQPnvRi2HB9NKDvLzEOTjHxQJAsJjnxtP2VAqDaQWZBHga8I6hUp+DQBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T08:46:34.499604Z","bundle_sha256":"86d16309de366ffdaad9ea69a66894168fa184beefb6b6b21be8c7f8636c686f"}}