{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:JYV53JCRHB763LMEOKUZ5MV7MN","short_pith_number":"pith:JYV53JCR","canonical_record":{"source":{"id":"2002.04701","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2020-02-11T21:44:45Z","cross_cats_sorted":[],"title_canon_sha256":"a5b4394ee9fc147903cec4b2742ee6d0dd0d0f4320d807a906a491a665909b3e","abstract_canon_sha256":"d310fe365a19258a560c21223059be31421bf388668a0ad44b00d11c43b82d71"},"schema_version":"1.0"},"canonical_sha256":"4e2bdda451387fedad8472a99eb2bf6345b1ebb107045735c4d4486417a8c2d7","source":{"kind":"arxiv","id":"2002.04701","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2002.04701","created_at":"2026-07-05T01:18:50Z"},{"alias_kind":"arxiv_version","alias_value":"2002.04701v2","created_at":"2026-07-05T01:18:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2002.04701","created_at":"2026-07-05T01:18:50Z"},{"alias_kind":"pith_short_12","alias_value":"JYV53JCRHB76","created_at":"2026-07-05T01:18:50Z"},{"alias_kind":"pith_short_16","alias_value":"JYV53JCRHB763LME","created_at":"2026-07-05T01:18:50Z"},{"alias_kind":"pith_short_8","alias_value":"JYV53JCR","created_at":"2026-07-05T01:18:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:JYV53JCRHB763LMEOKUZ5MV7MN","target":"record","payload":{"canonical_record":{"source":{"id":"2002.04701","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2020-02-11T21:44:45Z","cross_cats_sorted":[],"title_canon_sha256":"a5b4394ee9fc147903cec4b2742ee6d0dd0d0f4320d807a906a491a665909b3e","abstract_canon_sha256":"d310fe365a19258a560c21223059be31421bf388668a0ad44b00d11c43b82d71"},"schema_version":"1.0"},"canonical_sha256":"4e2bdda451387fedad8472a99eb2bf6345b1ebb107045735c4d4486417a8c2d7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:18:50.831866Z","signature_b64":"eXvbnjkZIC6qr+M31f/HIkOV2yan9fAro/2YcqAWplY7TLiHd15Qob4JNd53hIk5v/nXr1Rx9QcDm+KAws/2DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4e2bdda451387fedad8472a99eb2bf6345b1ebb107045735c4d4486417a8c2d7","last_reissued_at":"2026-07-05T01:18:50.831308Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:18:50.831308Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2002.04701","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":"2026-07-05T01:18:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m3FPXxEeli+lT0eLLqf7ZOuxc8cHTftLtDJ5gqFog+DIBxqZRVM3LgpCxYVeehw/rf8XgJhncNZ+2i28H3AiAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T18:15:11.540338Z"},"content_sha256":"d43b41de9eff9830142d540678787a3b723113088e8246f574d2576747ee1af8","schema_version":"1.0","event_id":"sha256:d43b41de9eff9830142d540678787a3b723113088e8246f574d2576747ee1af8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:JYV53JCRHB763LMEOKUZ5MV7MN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Aschenbach effect for spinning particles in Kerr spacetime","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Ali Vahedi, Jafar Khodagholizadeh, Volker Perlick","submitted_at":"2020-02-11T21:44:45Z","abstract_excerpt":"The orbital velocity profile of circular timelike geodesics in the equatorial plane of a Kerr black hole has a non-monotonic radial behavior, provided that the spin parameter $a$ of the black hole is bigger than a certain critical value $a_c \\approx 0.9953 M$. Here the orbital velocity is measured with respect to the Locally Non-Rotating Frame (LNRF), and the non-monotonic behavior, which is known as the Aschenbach effect, occurs only for co-rotating orbits. Using the Mathisson-Papapetrou-Dixon equations for a massive spinning particle, we investigate the Aschenbach effect for test particles w"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2002.04701","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2002.04701/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":"2026-07-05T01:18:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BD3DMDWmIIQ4euA2yXs0NJgupp/Ew3MwYZ7MxyZCoTYRlBq3Ld6Y6bmKlEuGyKcA2sqAXWVyQXml1KmpEP98Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T18:15:11.540878Z"},"content_sha256":"b66c42c227b5ae236d48820cc028838feba0fe425c399bfe01e6ab70030c1faf","schema_version":"1.0","event_id":"sha256:b66c42c227b5ae236d48820cc028838feba0fe425c399bfe01e6ab70030c1faf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JYV53JCRHB763LMEOKUZ5MV7MN/bundle.json","state_url":"https://pith.science/pith/JYV53JCRHB763LMEOKUZ5MV7MN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JYV53JCRHB763LMEOKUZ5MV7MN/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":"2026-08-03T18:15:11Z","links":{"resolver":"https://pith.science/pith/JYV53JCRHB763LMEOKUZ5MV7MN","bundle":"https://pith.science/pith/JYV53JCRHB763LMEOKUZ5MV7MN/bundle.json","state":"https://pith.science/pith/JYV53JCRHB763LMEOKUZ5MV7MN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JYV53JCRHB763LMEOKUZ5MV7MN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:JYV53JCRHB763LMEOKUZ5MV7MN","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":"d310fe365a19258a560c21223059be31421bf388668a0ad44b00d11c43b82d71","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2020-02-11T21:44:45Z","title_canon_sha256":"a5b4394ee9fc147903cec4b2742ee6d0dd0d0f4320d807a906a491a665909b3e"},"schema_version":"1.0","source":{"id":"2002.04701","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2002.04701","created_at":"2026-07-05T01:18:50Z"},{"alias_kind":"arxiv_version","alias_value":"2002.04701v2","created_at":"2026-07-05T01:18:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2002.04701","created_at":"2026-07-05T01:18:50Z"},{"alias_kind":"pith_short_12","alias_value":"JYV53JCRHB76","created_at":"2026-07-05T01:18:50Z"},{"alias_kind":"pith_short_16","alias_value":"JYV53JCRHB763LME","created_at":"2026-07-05T01:18:50Z"},{"alias_kind":"pith_short_8","alias_value":"JYV53JCR","created_at":"2026-07-05T01:18:50Z"}],"graph_snapshots":[{"event_id":"sha256:b66c42c227b5ae236d48820cc028838feba0fe425c399bfe01e6ab70030c1faf","target":"graph","created_at":"2026-07-05T01:18:50Z","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/2002.04701/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The orbital velocity profile of circular timelike geodesics in the equatorial plane of a Kerr black hole has a non-monotonic radial behavior, provided that the spin parameter $a$ of the black hole is bigger than a certain critical value $a_c \\approx 0.9953 M$. Here the orbital velocity is measured with respect to the Locally Non-Rotating Frame (LNRF), and the non-monotonic behavior, which is known as the Aschenbach effect, occurs only for co-rotating orbits. Using the Mathisson-Papapetrou-Dixon equations for a massive spinning particle, we investigate the Aschenbach effect for test particles w","authors_text":"Ali Vahedi, Jafar Khodagholizadeh, Volker Perlick","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2020-02-11T21:44:45Z","title":"Aschenbach effect for spinning particles in Kerr spacetime"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2002.04701","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:d43b41de9eff9830142d540678787a3b723113088e8246f574d2576747ee1af8","target":"record","created_at":"2026-07-05T01:18:50Z","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":"d310fe365a19258a560c21223059be31421bf388668a0ad44b00d11c43b82d71","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2020-02-11T21:44:45Z","title_canon_sha256":"a5b4394ee9fc147903cec4b2742ee6d0dd0d0f4320d807a906a491a665909b3e"},"schema_version":"1.0","source":{"id":"2002.04701","kind":"arxiv","version":2}},"canonical_sha256":"4e2bdda451387fedad8472a99eb2bf6345b1ebb107045735c4d4486417a8c2d7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4e2bdda451387fedad8472a99eb2bf6345b1ebb107045735c4d4486417a8c2d7","first_computed_at":"2026-07-05T01:18:50.831308Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:18:50.831308Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"eXvbnjkZIC6qr+M31f/HIkOV2yan9fAro/2YcqAWplY7TLiHd15Qob4JNd53hIk5v/nXr1Rx9QcDm+KAws/2DA==","signature_status":"signed_v1","signed_at":"2026-07-05T01:18:50.831866Z","signed_message":"canonical_sha256_bytes"},"source_id":"2002.04701","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d43b41de9eff9830142d540678787a3b723113088e8246f574d2576747ee1af8","sha256:b66c42c227b5ae236d48820cc028838feba0fe425c399bfe01e6ab70030c1faf"],"state_sha256":"c84565f3613bd654e73380a2a39841744af14d0c17d4b5c49b002b4bcacf5069"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xKdiF5BewXkmTcJbv0SHLJd2lhuot4dPMSZYyfnvBA3M/LZshUrX2BlmvKbkzBrSktJGpkebE3UKV+AzJeP5Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T18:15:11.546593Z","bundle_sha256":"c69e9a63ecc417757b51b30cdccab017d776ef6966375a6efcd17f286f359f26"}}