{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:RUB5QZ35M2P3CEHR2Z2JO2VGFZ","short_pith_number":"pith:RUB5QZ35","canonical_record":{"source":{"id":"1510.02525","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-10-08T23:07:39Z","cross_cats_sorted":[],"title_canon_sha256":"285e9e2f818f14d3c83e4d32a8ff92c94232aa35538a70ff25cf4cef53024b63","abstract_canon_sha256":"4032136a0ab33522e928d4babbefc20a0967583b03710a33cc26a38fff9671be"},"schema_version":"1.0"},"canonical_sha256":"8d03d8677d669fb110f1d674976aa62e4c63f814adf5741c3f226197bd2b1cd2","source":{"kind":"arxiv","id":"1510.02525","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.02525","created_at":"2026-05-18T01:27:56Z"},{"alias_kind":"arxiv_version","alias_value":"1510.02525v1","created_at":"2026-05-18T01:27:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.02525","created_at":"2026-05-18T01:27:56Z"},{"alias_kind":"pith_short_12","alias_value":"RUB5QZ35M2P3","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_16","alias_value":"RUB5QZ35M2P3CEHR","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_8","alias_value":"RUB5QZ35","created_at":"2026-05-18T12:29:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:RUB5QZ35M2P3CEHR2Z2JO2VGFZ","target":"record","payload":{"canonical_record":{"source":{"id":"1510.02525","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-10-08T23:07:39Z","cross_cats_sorted":[],"title_canon_sha256":"285e9e2f818f14d3c83e4d32a8ff92c94232aa35538a70ff25cf4cef53024b63","abstract_canon_sha256":"4032136a0ab33522e928d4babbefc20a0967583b03710a33cc26a38fff9671be"},"schema_version":"1.0"},"canonical_sha256":"8d03d8677d669fb110f1d674976aa62e4c63f814adf5741c3f226197bd2b1cd2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:27:56.646440Z","signature_b64":"UMglvCv0+mEkkQAIIBBzSQJ+/kmlqSS2K/2cYuqzpnAFzQ9FR1WsybhWGIZPijubX/uRsneK0bVJlPckHJIlAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8d03d8677d669fb110f1d674976aa62e4c63f814adf5741c3f226197bd2b1cd2","last_reissued_at":"2026-05-18T01:27:56.645640Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:27:56.645640Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1510.02525","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":"2026-05-18T01:27:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"s2sNixxeRdsyGAmNfmLhMHRoAfzW9iDPyFeEVFeeL4+RYbnlyyCSsSk+V+Y055ZID75ZIPY7h3zxzKmM9NUlBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T14:57:27.084727Z"},"content_sha256":"218cafbbbee95ed0e11be294bf5ae38566025bc7b887f5be4f69dd1dbafa2134","schema_version":"1.0","event_id":"sha256:218cafbbbee95ed0e11be294bf5ae38566025bc7b887f5be4f69dd1dbafa2134"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:RUB5QZ35M2P3CEHR2Z2JO2VGFZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Apsidal precession, disc breaking and viscosity in warped discs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Andrew King, Chris Nixon, Daniel J. Price, Rebecca Nealon","submitted_at":"2015-10-08T23:07:39Z","abstract_excerpt":"We demonstrate the importance of general relativistic apsidal precession in warped black hole accretion discs by comparing three - dimensional smoothed particle hydrodynamic simulations in which this effect is first neglected, and then included. If apsidal precession is neglected, we confirm the results of an earlier magnetohydrodynamic simulation which made this assumption, showing that at least in this case the $\\alpha$ viscosity model produces very similar results to those of simulations where angular momentum transport is due to the magnetorotational instability. Including apsidal precessi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.02525","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":"2026-05-18T01:27:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"btDnsHfeGPNKBWTPh6gzIlnI8SX6uT/IZlvH1EHYlxR5QXmzi1OexwmUhZJtR9n3tRhBe6H+Jr3sh1n3CruBDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T14:57:27.085417Z"},"content_sha256":"a66bf9e090f9f98c348eac817efe093a21cabaf40966b83604eb23ca481783ee","schema_version":"1.0","event_id":"sha256:a66bf9e090f9f98c348eac817efe093a21cabaf40966b83604eb23ca481783ee"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RUB5QZ35M2P3CEHR2Z2JO2VGFZ/bundle.json","state_url":"https://pith.science/pith/RUB5QZ35M2P3CEHR2Z2JO2VGFZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RUB5QZ35M2P3CEHR2Z2JO2VGFZ/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":"2026-05-27T14:57:27Z","links":{"resolver":"https://pith.science/pith/RUB5QZ35M2P3CEHR2Z2JO2VGFZ","bundle":"https://pith.science/pith/RUB5QZ35M2P3CEHR2Z2JO2VGFZ/bundle.json","state":"https://pith.science/pith/RUB5QZ35M2P3CEHR2Z2JO2VGFZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RUB5QZ35M2P3CEHR2Z2JO2VGFZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:RUB5QZ35M2P3CEHR2Z2JO2VGFZ","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":"4032136a0ab33522e928d4babbefc20a0967583b03710a33cc26a38fff9671be","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-10-08T23:07:39Z","title_canon_sha256":"285e9e2f818f14d3c83e4d32a8ff92c94232aa35538a70ff25cf4cef53024b63"},"schema_version":"1.0","source":{"id":"1510.02525","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.02525","created_at":"2026-05-18T01:27:56Z"},{"alias_kind":"arxiv_version","alias_value":"1510.02525v1","created_at":"2026-05-18T01:27:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.02525","created_at":"2026-05-18T01:27:56Z"},{"alias_kind":"pith_short_12","alias_value":"RUB5QZ35M2P3","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_16","alias_value":"RUB5QZ35M2P3CEHR","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_8","alias_value":"RUB5QZ35","created_at":"2026-05-18T12:29:39Z"}],"graph_snapshots":[{"event_id":"sha256:a66bf9e090f9f98c348eac817efe093a21cabaf40966b83604eb23ca481783ee","target":"graph","created_at":"2026-05-18T01:27:56Z","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":"We demonstrate the importance of general relativistic apsidal precession in warped black hole accretion discs by comparing three - dimensional smoothed particle hydrodynamic simulations in which this effect is first neglected, and then included. If apsidal precession is neglected, we confirm the results of an earlier magnetohydrodynamic simulation which made this assumption, showing that at least in this case the $\\alpha$ viscosity model produces very similar results to those of simulations where angular momentum transport is due to the magnetorotational instability. Including apsidal precessi","authors_text":"Andrew King, Chris Nixon, Daniel J. Price, Rebecca Nealon","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-10-08T23:07:39Z","title":"Apsidal precession, disc breaking and viscosity in warped discs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.02525","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":"sha256:218cafbbbee95ed0e11be294bf5ae38566025bc7b887f5be4f69dd1dbafa2134","target":"record","created_at":"2026-05-18T01:27:56Z","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":"4032136a0ab33522e928d4babbefc20a0967583b03710a33cc26a38fff9671be","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-10-08T23:07:39Z","title_canon_sha256":"285e9e2f818f14d3c83e4d32a8ff92c94232aa35538a70ff25cf4cef53024b63"},"schema_version":"1.0","source":{"id":"1510.02525","kind":"arxiv","version":1}},"canonical_sha256":"8d03d8677d669fb110f1d674976aa62e4c63f814adf5741c3f226197bd2b1cd2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8d03d8677d669fb110f1d674976aa62e4c63f814adf5741c3f226197bd2b1cd2","first_computed_at":"2026-05-18T01:27:56.645640Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:27:56.645640Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UMglvCv0+mEkkQAIIBBzSQJ+/kmlqSS2K/2cYuqzpnAFzQ9FR1WsybhWGIZPijubX/uRsneK0bVJlPckHJIlAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:27:56.646440Z","signed_message":"canonical_sha256_bytes"},"source_id":"1510.02525","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:218cafbbbee95ed0e11be294bf5ae38566025bc7b887f5be4f69dd1dbafa2134","sha256:a66bf9e090f9f98c348eac817efe093a21cabaf40966b83604eb23ca481783ee"],"state_sha256":"eb868433ef18f17b258537683023d507fccb002cc81214c39885478467619aea"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UYhm71RbN7f6xcV4dAW+wbPfgsCH8koSFY6F5vOpsR6lrlPufv24N9MUMnqhyQFzTOgW1GxNIabqtWMJOz0UDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T14:57:27.088998Z","bundle_sha256":"45d472a3e65adf3fdee4ec23a9c7a71ee410849761dc8fe1263b6a099a38a859"}}