{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:T3T62J7SHG6YQTVWESJBJ6G47I","short_pith_number":"pith:T3T62J7S","canonical_record":{"source":{"id":"2506.07589","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-06-09T09:35:18Z","cross_cats_sorted":[],"title_canon_sha256":"fd505db4cf0cad1cf64643650eb0ae124f02a9f38ca4c4c7d0422cacba3bb936","abstract_canon_sha256":"9174bd1af4e3ffa6a2f5d4559f41b3f8e86baefc0e9ac59fa5ffc0c2f3a4717b"},"schema_version":"1.0"},"canonical_sha256":"9ee7ed27f239bd884eb6249214f8dcfa1abd6c9681670a28b83b3db1bffc295a","source":{"kind":"arxiv","id":"2506.07589","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.07589","created_at":"2026-07-05T11:18:29Z"},{"alias_kind":"arxiv_version","alias_value":"2506.07589v1","created_at":"2026-07-05T11:18:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.07589","created_at":"2026-07-05T11:18:29Z"},{"alias_kind":"pith_short_12","alias_value":"T3T62J7SHG6Y","created_at":"2026-07-05T11:18:29Z"},{"alias_kind":"pith_short_16","alias_value":"T3T62J7SHG6YQTVW","created_at":"2026-07-05T11:18:29Z"},{"alias_kind":"pith_short_8","alias_value":"T3T62J7S","created_at":"2026-07-05T11:18:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:T3T62J7SHG6YQTVWESJBJ6G47I","target":"record","payload":{"canonical_record":{"source":{"id":"2506.07589","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-06-09T09:35:18Z","cross_cats_sorted":[],"title_canon_sha256":"fd505db4cf0cad1cf64643650eb0ae124f02a9f38ca4c4c7d0422cacba3bb936","abstract_canon_sha256":"9174bd1af4e3ffa6a2f5d4559f41b3f8e86baefc0e9ac59fa5ffc0c2f3a4717b"},"schema_version":"1.0"},"canonical_sha256":"9ee7ed27f239bd884eb6249214f8dcfa1abd6c9681670a28b83b3db1bffc295a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:18:29.899665Z","signature_b64":"JcFcsWIehBLKIj69Hy6o0SO5iG8JuCSl8hEGLs+55CoRlhxpWcggCX/Pm/RHP0i5p5c4n8Dp2W7IQ+xG7vSMCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9ee7ed27f239bd884eb6249214f8dcfa1abd6c9681670a28b83b3db1bffc295a","last_reissued_at":"2026-07-05T11:18:29.899219Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:18:29.899219Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2506.07589","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":"2026-07-05T11:18:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Iu6ZCbPWxyZjJ0YunrFBH/2IoZZsTFagSgj3Cfk13AHP7EbLdEkDiQv1b2tab8Q+siFu0xgFqpNjfBD59TonBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T08:50:05.052844Z"},"content_sha256":"cf07d22c2875576316af703f7c94cf7b97f35e6043bc36c446853308c204655c","schema_version":"1.0","event_id":"sha256:cf07d22c2875576316af703f7c94cf7b97f35e6043bc36c446853308c204655c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:T3T62J7SHG6YQTVWESJBJ6G47I","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Peering into the heart of 3CR radio galaxies. A very long baseline interferometry perspective on optical-radio classifications at parsec scales","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"B. Boccardi, E. Torresi, G. Giovannini, P. Grandi","submitted_at":"2025-06-09T09:35:18Z","abstract_excerpt":"Historically, luminous edge-brightened Fanaroff-Riley type II (FRII) radio galaxies have been associated with radiatively efficient cold accretion disks. In contrast, faint edge-darkened Fanaroff-Riley Type Is (FRIs) are sustained by hot, inefficient accretion flows. However, several sources deviate from this paradigm, showing FRII morphologies and radiatively inefficient accretion. Three hypotheses have been proposed to explain the observations: (1) The evolutionary scenario: initially strong accretor FRIIs switch to having a hot inefficient flow due to the depletion of available material. (2"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.07589","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/2506.07589/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":"2026-07-05T11:18:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"u6OC/v6cqPLPc4o6d0U1SDsdbZx7wq9tsdHEhfd8QM+JxIxpUf7bov5RL6VOW6bfP65NaLMniRzQs8r31oH9BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T08:50:05.053767Z"},"content_sha256":"9df5c9cf5a7c64f2fb2da3929e8eb5d5829018ebfa0b7997610558dd93dce64c","schema_version":"1.0","event_id":"sha256:9df5c9cf5a7c64f2fb2da3929e8eb5d5829018ebfa0b7997610558dd93dce64c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/T3T62J7SHG6YQTVWESJBJ6G47I/bundle.json","state_url":"https://pith.science/pith/T3T62J7SHG6YQTVWESJBJ6G47I/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/T3T62J7SHG6YQTVWESJBJ6G47I/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":"2026-08-06T08:50:05Z","links":{"resolver":"https://pith.science/pith/T3T62J7SHG6YQTVWESJBJ6G47I","bundle":"https://pith.science/pith/T3T62J7SHG6YQTVWESJBJ6G47I/bundle.json","state":"https://pith.science/pith/T3T62J7SHG6YQTVWESJBJ6G47I/state.json","well_known_bundle":"https://pith.science/.well-known/pith/T3T62J7SHG6YQTVWESJBJ6G47I/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:T3T62J7SHG6YQTVWESJBJ6G47I","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":"9174bd1af4e3ffa6a2f5d4559f41b3f8e86baefc0e9ac59fa5ffc0c2f3a4717b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-06-09T09:35:18Z","title_canon_sha256":"fd505db4cf0cad1cf64643650eb0ae124f02a9f38ca4c4c7d0422cacba3bb936"},"schema_version":"1.0","source":{"id":"2506.07589","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.07589","created_at":"2026-07-05T11:18:29Z"},{"alias_kind":"arxiv_version","alias_value":"2506.07589v1","created_at":"2026-07-05T11:18:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.07589","created_at":"2026-07-05T11:18:29Z"},{"alias_kind":"pith_short_12","alias_value":"T3T62J7SHG6Y","created_at":"2026-07-05T11:18:29Z"},{"alias_kind":"pith_short_16","alias_value":"T3T62J7SHG6YQTVW","created_at":"2026-07-05T11:18:29Z"},{"alias_kind":"pith_short_8","alias_value":"T3T62J7S","created_at":"2026-07-05T11:18:29Z"}],"graph_snapshots":[{"event_id":"sha256:9df5c9cf5a7c64f2fb2da3929e8eb5d5829018ebfa0b7997610558dd93dce64c","target":"graph","created_at":"2026-07-05T11:18:29Z","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/2506.07589/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Historically, luminous edge-brightened Fanaroff-Riley type II (FRII) radio galaxies have been associated with radiatively efficient cold accretion disks. In contrast, faint edge-darkened Fanaroff-Riley Type Is (FRIs) are sustained by hot, inefficient accretion flows. However, several sources deviate from this paradigm, showing FRII morphologies and radiatively inefficient accretion. Three hypotheses have been proposed to explain the observations: (1) The evolutionary scenario: initially strong accretor FRIIs switch to having a hot inefficient flow due to the depletion of available material. (2","authors_text":"B. Boccardi, E. Torresi, G. Giovannini, P. Grandi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-06-09T09:35:18Z","title":"Peering into the heart of 3CR radio galaxies. A very long baseline interferometry perspective on optical-radio classifications at parsec scales"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.07589","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:cf07d22c2875576316af703f7c94cf7b97f35e6043bc36c446853308c204655c","target":"record","created_at":"2026-07-05T11:18:29Z","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":"9174bd1af4e3ffa6a2f5d4559f41b3f8e86baefc0e9ac59fa5ffc0c2f3a4717b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-06-09T09:35:18Z","title_canon_sha256":"fd505db4cf0cad1cf64643650eb0ae124f02a9f38ca4c4c7d0422cacba3bb936"},"schema_version":"1.0","source":{"id":"2506.07589","kind":"arxiv","version":1}},"canonical_sha256":"9ee7ed27f239bd884eb6249214f8dcfa1abd6c9681670a28b83b3db1bffc295a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9ee7ed27f239bd884eb6249214f8dcfa1abd6c9681670a28b83b3db1bffc295a","first_computed_at":"2026-07-05T11:18:29.899219Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:18:29.899219Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JcFcsWIehBLKIj69Hy6o0SO5iG8JuCSl8hEGLs+55CoRlhxpWcggCX/Pm/RHP0i5p5c4n8Dp2W7IQ+xG7vSMCw==","signature_status":"signed_v1","signed_at":"2026-07-05T11:18:29.899665Z","signed_message":"canonical_sha256_bytes"},"source_id":"2506.07589","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cf07d22c2875576316af703f7c94cf7b97f35e6043bc36c446853308c204655c","sha256:9df5c9cf5a7c64f2fb2da3929e8eb5d5829018ebfa0b7997610558dd93dce64c"],"state_sha256":"e35f6a4deb50f24e75794a7c416fec3daa94b059ed5cce92ca4d1fee3dfa8b58"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GM5rdz9p4YjW5we3oqMJZYK8y+YJMowYXDHjTVmm230iDlMEkq3tBZOhRAgIzUVy51/cqKaZSsNAETnakhScDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T08:50:05.060186Z","bundle_sha256":"e6c501ab39403e6e2588d854b741bb5ac9f648deef62328de4697f5470ec040f"}}