{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2007:7JFZ5YZX2O4BONH7H3R2D5PALV","short_pith_number":"pith:7JFZ5YZX","canonical_record":{"source":{"id":"0705.2448","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-05-16T22:00:53Z","cross_cats_sorted":[],"title_canon_sha256":"44a0e28a6b4427724dff57d1f7feb3f6c2853342b6bd71c9f0bb097c85eb4033","abstract_canon_sha256":"cb574c0f7e56ae9e965f9ed443d808181e215364291104a51ccdcc421677496c"},"schema_version":"1.0"},"canonical_sha256":"fa4b9ee337d3b81734ff3ee3a1f5e05d7e5e2d8a95e19d03712a5a614cf878a2","source":{"kind":"arxiv","id":"0705.2448","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0705.2448","created_at":"2026-07-04T17:03:52Z"},{"alias_kind":"arxiv_version","alias_value":"0705.2448v2","created_at":"2026-07-04T17:03:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0705.2448","created_at":"2026-07-04T17:03:52Z"},{"alias_kind":"pith_short_12","alias_value":"7JFZ5YZX2O4B","created_at":"2026-07-04T17:03:52Z"},{"alias_kind":"pith_short_16","alias_value":"7JFZ5YZX2O4BONH7","created_at":"2026-07-04T17:03:52Z"},{"alias_kind":"pith_short_8","alias_value":"7JFZ5YZX","created_at":"2026-07-04T17:03:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2007:7JFZ5YZX2O4BONH7H3R2D5PALV","target":"record","payload":{"canonical_record":{"source":{"id":"0705.2448","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-05-16T22:00:53Z","cross_cats_sorted":[],"title_canon_sha256":"44a0e28a6b4427724dff57d1f7feb3f6c2853342b6bd71c9f0bb097c85eb4033","abstract_canon_sha256":"cb574c0f7e56ae9e965f9ed443d808181e215364291104a51ccdcc421677496c"},"schema_version":"1.0"},"canonical_sha256":"fa4b9ee337d3b81734ff3ee3a1f5e05d7e5e2d8a95e19d03712a5a614cf878a2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:03:52.235940Z","signature_b64":"SUoWxZtyEloaA7jFdcQxyGoNvWn0A/06e+7gUPXfZSVW6G/KT2RuOLK58Op9rjI21K4C0D2DDCkpWpZumth0Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fa4b9ee337d3b81734ff3ee3a1f5e05d7e5e2d8a95e19d03712a5a614cf878a2","last_reissued_at":"2026-07-04T17:03:52.235596Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:03:52.235596Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0705.2448","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":"2026-07-04T17:03:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0mdZlWfqzZNRmzU8NVDJ1LzQbPMb1Q2yMBuoeyWRS3QSWVcOv/QF0UToF6uSxP7wkz3FsRXgBt49fN3Yg2erDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T06:00:54.255348Z"},"content_sha256":"c1b93f994fe85f72975b174676d6f3fbc78800b7311d61f6f04643758764a54b","schema_version":"1.0","event_id":"sha256:c1b93f994fe85f72975b174676d6f3fbc78800b7311d61f6f04643758764a54b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2007:7JFZ5YZX2O4BONH7H3R2D5PALV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Superluminal Radio Features in the M87 Jet and the Site of Flaring TeV Gamma-ray Emission","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"C.C. Cheung (NRAO, D.E. Harris (Harvard-CfA), L. Stawarz (Stanford/KIPAC), Stanford)","submitted_at":"2007-05-16T22:00:53Z","abstract_excerpt":"Superluminal motion is a common feature of radio jets in powerful gamma-ray emitting active galactic nuclei. Conventionally, the variable emission is assumed to originate near the central supermassive black-hole where the jet is launched on parsec scales or smaller. Here, we report the discovery of superluminal radio features within a distinct flaring X-ray emitting region in the jet of the nearby radio galaxy M87 with the Very Long Baseline Array. This shows that these two phenomenological hallmarks -- superluminal motion and high-energy variability -- are associated, and we place this activi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0705.2448","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/0705.2448/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":"2026-07-04T17:03:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xWfsk2g1v0mr0891qedYU725yK2snWoikbake2lObq6GfI5myurOv8ntUeIe6smIvPhvLS233lmbomwGa5g+Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T06:00:54.255904Z"},"content_sha256":"d1b62d74d2a8bc9c93c14df947e45bde5a1c64b78ae9c015802d77a742cafc28","schema_version":"1.0","event_id":"sha256:d1b62d74d2a8bc9c93c14df947e45bde5a1c64b78ae9c015802d77a742cafc28"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7JFZ5YZX2O4BONH7H3R2D5PALV/bundle.json","state_url":"https://pith.science/pith/7JFZ5YZX2O4BONH7H3R2D5PALV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7JFZ5YZX2O4BONH7H3R2D5PALV/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":"2026-08-15T06:00:54Z","links":{"resolver":"https://pith.science/pith/7JFZ5YZX2O4BONH7H3R2D5PALV","bundle":"https://pith.science/pith/7JFZ5YZX2O4BONH7H3R2D5PALV/bundle.json","state":"https://pith.science/pith/7JFZ5YZX2O4BONH7H3R2D5PALV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7JFZ5YZX2O4BONH7H3R2D5PALV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:7JFZ5YZX2O4BONH7H3R2D5PALV","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":"cb574c0f7e56ae9e965f9ed443d808181e215364291104a51ccdcc421677496c","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-05-16T22:00:53Z","title_canon_sha256":"44a0e28a6b4427724dff57d1f7feb3f6c2853342b6bd71c9f0bb097c85eb4033"},"schema_version":"1.0","source":{"id":"0705.2448","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0705.2448","created_at":"2026-07-04T17:03:52Z"},{"alias_kind":"arxiv_version","alias_value":"0705.2448v2","created_at":"2026-07-04T17:03:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0705.2448","created_at":"2026-07-04T17:03:52Z"},{"alias_kind":"pith_short_12","alias_value":"7JFZ5YZX2O4B","created_at":"2026-07-04T17:03:52Z"},{"alias_kind":"pith_short_16","alias_value":"7JFZ5YZX2O4BONH7","created_at":"2026-07-04T17:03:52Z"},{"alias_kind":"pith_short_8","alias_value":"7JFZ5YZX","created_at":"2026-07-04T17:03:52Z"}],"graph_snapshots":[{"event_id":"sha256:d1b62d74d2a8bc9c93c14df947e45bde5a1c64b78ae9c015802d77a742cafc28","target":"graph","created_at":"2026-07-04T17:03:52Z","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/0705.2448/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Superluminal motion is a common feature of radio jets in powerful gamma-ray emitting active galactic nuclei. Conventionally, the variable emission is assumed to originate near the central supermassive black-hole where the jet is launched on parsec scales or smaller. Here, we report the discovery of superluminal radio features within a distinct flaring X-ray emitting region in the jet of the nearby radio galaxy M87 with the Very Long Baseline Array. This shows that these two phenomenological hallmarks -- superluminal motion and high-energy variability -- are associated, and we place this activi","authors_text":"C.C. Cheung (NRAO, D.E. Harris (Harvard-CfA), L. Stawarz (Stanford/KIPAC), Stanford)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2007-05-16T22:00:53Z","title":"Superluminal Radio Features in the M87 Jet and the Site of Flaring TeV Gamma-ray Emission"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0705.2448","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:c1b93f994fe85f72975b174676d6f3fbc78800b7311d61f6f04643758764a54b","target":"record","created_at":"2026-07-04T17:03:52Z","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":"cb574c0f7e56ae9e965f9ed443d808181e215364291104a51ccdcc421677496c","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-05-16T22:00:53Z","title_canon_sha256":"44a0e28a6b4427724dff57d1f7feb3f6c2853342b6bd71c9f0bb097c85eb4033"},"schema_version":"1.0","source":{"id":"0705.2448","kind":"arxiv","version":2}},"canonical_sha256":"fa4b9ee337d3b81734ff3ee3a1f5e05d7e5e2d8a95e19d03712a5a614cf878a2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fa4b9ee337d3b81734ff3ee3a1f5e05d7e5e2d8a95e19d03712a5a614cf878a2","first_computed_at":"2026-07-04T17:03:52.235596Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:03:52.235596Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SUoWxZtyEloaA7jFdcQxyGoNvWn0A/06e+7gUPXfZSVW6G/KT2RuOLK58Op9rjI21K4C0D2DDCkpWpZumth0Dg==","signature_status":"signed_v1","signed_at":"2026-07-04T17:03:52.235940Z","signed_message":"canonical_sha256_bytes"},"source_id":"0705.2448","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c1b93f994fe85f72975b174676d6f3fbc78800b7311d61f6f04643758764a54b","sha256:d1b62d74d2a8bc9c93c14df947e45bde5a1c64b78ae9c015802d77a742cafc28"],"state_sha256":"a0e5430754b03107279af6d0b957602930a49eb4b6ddcf033dcf717544ce1061"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"271TQi2urJy3cNJj0TwD5l+5r6qSGkO6QgoXBgRGzIWJGNfJTVUMbq5fsizQe+4qSKvgObHyOsB8Yo+rQyuQDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T06:00:54.260599Z","bundle_sha256":"6412f45143b4f3e551e8f6e69269ccb4dcac928a0856873074b8fe5dbeaf1bbf"}}