{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:MREGA6C7COGPSIBCJJR3H64RYB","short_pith_number":"pith:MREGA6C7","canonical_record":{"source":{"id":"2601.18122","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2026-01-26T04:09:15Z","cross_cats_sorted":[],"title_canon_sha256":"d81163ed18c6e29abe37c32963fbc066ce9c22f1eeb29b17899b6d72ae8bf6b3","abstract_canon_sha256":"0ab656a1ece677257b210596ed6e1729691dda60330492af632ceba1bed9f5b2"},"schema_version":"1.0"},"canonical_sha256":"644860785f138cf920224a63b3fb91c054434b2a579a962aac306a4cfdda2a79","source":{"kind":"arxiv","id":"2601.18122","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2601.18122","created_at":"2026-07-28T01:22:28Z"},{"alias_kind":"arxiv_version","alias_value":"2601.18122v2","created_at":"2026-07-28T01:22:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2601.18122","created_at":"2026-07-28T01:22:28Z"},{"alias_kind":"pith_short_12","alias_value":"MREGA6C7COGP","created_at":"2026-07-28T01:22:28Z"},{"alias_kind":"pith_short_16","alias_value":"MREGA6C7COGPSIBC","created_at":"2026-07-28T01:22:28Z"},{"alias_kind":"pith_short_8","alias_value":"MREGA6C7","created_at":"2026-07-28T01:22:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:MREGA6C7COGPSIBCJJR3H64RYB","target":"record","payload":{"canonical_record":{"source":{"id":"2601.18122","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2026-01-26T04:09:15Z","cross_cats_sorted":[],"title_canon_sha256":"d81163ed18c6e29abe37c32963fbc066ce9c22f1eeb29b17899b6d72ae8bf6b3","abstract_canon_sha256":"0ab656a1ece677257b210596ed6e1729691dda60330492af632ceba1bed9f5b2"},"schema_version":"1.0"},"canonical_sha256":"644860785f138cf920224a63b3fb91c054434b2a579a962aac306a4cfdda2a79","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-28T01:22:28.513748Z","signature_b64":"4eAEZ9Bf1+2Y9tl+b4h7+lZtDIkLeVgXPlUIrYLpqB/a3RKrxBfiuHUTf8HgCyM34kZXIJPpIZkIqDHx/p1lCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"644860785f138cf920224a63b3fb91c054434b2a579a962aac306a4cfdda2a79","last_reissued_at":"2026-07-28T01:22:28.512710Z","signature_status":"signed_v1","first_computed_at":"2026-07-28T01:22:28.512710Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2601.18122","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":"2026-07-28T01:22:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XCZodcxTqtx4l/zkqb+m/Dot704Mv/T+lRG7caQlZzS1LHD5XDt8KAWvyIICbLwFi2/xzKzEsWN6uhRy7N6ZCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T19:12:40.650300Z"},"content_sha256":"dbef0630948463edb4c2f69d2e384526be8fc84b9b1b9e2c88435f701dfaa603","schema_version":"1.0","event_id":"sha256:dbef0630948463edb4c2f69d2e384526be8fc84b9b1b9e2c88435f701dfaa603"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:MREGA6C7COGPSIBCJJR3H64RYB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Static stable timelike circular orbits and Aschenbach effect in horizonless solutions of Einsteinian cubic gravity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Yong-Qiang Wang, Zhen-hua Zhao","submitted_at":"2026-01-26T04:09:15Z","abstract_excerpt":"In modified gravity theories, horizonless compact objects serve as a compelling alternative to black holes for testing strong-field gravity. Einsteinian cubic gravity (ECG) provides a gravitational framework for constructing these viable astrophysical models. % Context We investigate the existence, stability, and observable signatures of static stable timelike circular orbits (SSTCOs) in static spherically symmetric ECG horizonless spacetimes. % Aims We derive timelike geodesic equations, construct the effective potential for circular orbits, and perform a numerical integration to verify orbit"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2601.18122","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/2601.18122/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":"2026-07-28T01:22:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WplZLgT595LL6ZnV0eCh9qWqdbWzh5T3aD46P+cwdCEG95GziKXtBdCumexgCzJQBhQEXC0JEK/9OsIwv90/AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T19:12:40.650990Z"},"content_sha256":"4f68a23142bc2679ec0e038bd68ce98f08edaa7eacafab22cb77c5cf082ced16","schema_version":"1.0","event_id":"sha256:4f68a23142bc2679ec0e038bd68ce98f08edaa7eacafab22cb77c5cf082ced16"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MREGA6C7COGPSIBCJJR3H64RYB/bundle.json","state_url":"https://pith.science/pith/MREGA6C7COGPSIBCJJR3H64RYB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MREGA6C7COGPSIBCJJR3H64RYB/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":"2026-08-03T19:12:40Z","links":{"resolver":"https://pith.science/pith/MREGA6C7COGPSIBCJJR3H64RYB","bundle":"https://pith.science/pith/MREGA6C7COGPSIBCJJR3H64RYB/bundle.json","state":"https://pith.science/pith/MREGA6C7COGPSIBCJJR3H64RYB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MREGA6C7COGPSIBCJJR3H64RYB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:MREGA6C7COGPSIBCJJR3H64RYB","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":"0ab656a1ece677257b210596ed6e1729691dda60330492af632ceba1bed9f5b2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2026-01-26T04:09:15Z","title_canon_sha256":"d81163ed18c6e29abe37c32963fbc066ce9c22f1eeb29b17899b6d72ae8bf6b3"},"schema_version":"1.0","source":{"id":"2601.18122","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2601.18122","created_at":"2026-07-28T01:22:28Z"},{"alias_kind":"arxiv_version","alias_value":"2601.18122v2","created_at":"2026-07-28T01:22:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2601.18122","created_at":"2026-07-28T01:22:28Z"},{"alias_kind":"pith_short_12","alias_value":"MREGA6C7COGP","created_at":"2026-07-28T01:22:28Z"},{"alias_kind":"pith_short_16","alias_value":"MREGA6C7COGPSIBC","created_at":"2026-07-28T01:22:28Z"},{"alias_kind":"pith_short_8","alias_value":"MREGA6C7","created_at":"2026-07-28T01:22:28Z"}],"graph_snapshots":[{"event_id":"sha256:4f68a23142bc2679ec0e038bd68ce98f08edaa7eacafab22cb77c5cf082ced16","target":"graph","created_at":"2026-07-28T01:22:28Z","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/2601.18122/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In modified gravity theories, horizonless compact objects serve as a compelling alternative to black holes for testing strong-field gravity. Einsteinian cubic gravity (ECG) provides a gravitational framework for constructing these viable astrophysical models. % Context We investigate the existence, stability, and observable signatures of static stable timelike circular orbits (SSTCOs) in static spherically symmetric ECG horizonless spacetimes. % Aims We derive timelike geodesic equations, construct the effective potential for circular orbits, and perform a numerical integration to verify orbit","authors_text":"Yong-Qiang Wang, Zhen-hua Zhao","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2026-01-26T04:09:15Z","title":"Static stable timelike circular orbits and Aschenbach effect in horizonless solutions of Einsteinian cubic gravity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2601.18122","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:dbef0630948463edb4c2f69d2e384526be8fc84b9b1b9e2c88435f701dfaa603","target":"record","created_at":"2026-07-28T01:22:28Z","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":"0ab656a1ece677257b210596ed6e1729691dda60330492af632ceba1bed9f5b2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2026-01-26T04:09:15Z","title_canon_sha256":"d81163ed18c6e29abe37c32963fbc066ce9c22f1eeb29b17899b6d72ae8bf6b3"},"schema_version":"1.0","source":{"id":"2601.18122","kind":"arxiv","version":2}},"canonical_sha256":"644860785f138cf920224a63b3fb91c054434b2a579a962aac306a4cfdda2a79","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"644860785f138cf920224a63b3fb91c054434b2a579a962aac306a4cfdda2a79","first_computed_at":"2026-07-28T01:22:28.512710Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-28T01:22:28.512710Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4eAEZ9Bf1+2Y9tl+b4h7+lZtDIkLeVgXPlUIrYLpqB/a3RKrxBfiuHUTf8HgCyM34kZXIJPpIZkIqDHx/p1lCQ==","signature_status":"signed_v1","signed_at":"2026-07-28T01:22:28.513748Z","signed_message":"canonical_sha256_bytes"},"source_id":"2601.18122","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dbef0630948463edb4c2f69d2e384526be8fc84b9b1b9e2c88435f701dfaa603","sha256:4f68a23142bc2679ec0e038bd68ce98f08edaa7eacafab22cb77c5cf082ced16"],"state_sha256":"7da208cd0069f17cfafe533a4ba34e5aebdbc7a5f8e937f62fa7ac284f03dc34"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+KDVd6ulpoWhNT2u0HTwRTlMPbwckV2789WCa3xmvQIJiwtEm/QaHRIacwvPnXScdlscT/Cr9wU8/mC3IWmoBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T19:12:40.656519Z","bundle_sha256":"02d5af3f7a0d3896ed0bd820615510cb203fb2463834330fb92980b331347102"}}