{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:7YD46HYB2INBSSCL4Y3FBMPHYC","short_pith_number":"pith:7YD46HYB","canonical_record":{"source":{"id":"astro-ph/0310877","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-10-30T16:50:33Z","cross_cats_sorted":[],"title_canon_sha256":"2ae014970555f57cb92fac4514add738746e7eb100718a5cf9b435e7c79552a9","abstract_canon_sha256":"df1b946cac974de5be1c3fb8ca93d8d83f41634793223b46de615399b1abaadf"},"schema_version":"1.0"},"canonical_sha256":"fe07cf1f01d21a19484be63650b1e7c0bf97e6434980fab2b960ccb4f8dbea27","source":{"kind":"arxiv","id":"astro-ph/0310877","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0310877","created_at":"2026-07-04T14:13:09Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0310877v1","created_at":"2026-07-04T14:13:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0310877","created_at":"2026-07-04T14:13:09Z"},{"alias_kind":"pith_short_12","alias_value":"7YD46HYB2INB","created_at":"2026-07-04T14:13:09Z"},{"alias_kind":"pith_short_16","alias_value":"7YD46HYB2INBSSCL","created_at":"2026-07-04T14:13:09Z"},{"alias_kind":"pith_short_8","alias_value":"7YD46HYB","created_at":"2026-07-04T14:13:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:7YD46HYB2INBSSCL4Y3FBMPHYC","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0310877","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-10-30T16:50:33Z","cross_cats_sorted":[],"title_canon_sha256":"2ae014970555f57cb92fac4514add738746e7eb100718a5cf9b435e7c79552a9","abstract_canon_sha256":"df1b946cac974de5be1c3fb8ca93d8d83f41634793223b46de615399b1abaadf"},"schema_version":"1.0"},"canonical_sha256":"fe07cf1f01d21a19484be63650b1e7c0bf97e6434980fab2b960ccb4f8dbea27","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:13:09.518898Z","signature_b64":"lrCiADyab7yX+ra1zLGc7MWBuf07A2CMCtshdUjwxQwRPPSRDLFnwvbOVfUukE/xqKfqaSypgvTYpjcXGW9bBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fe07cf1f01d21a19484be63650b1e7c0bf97e6434980fab2b960ccb4f8dbea27","last_reissued_at":"2026-07-04T14:13:09.518516Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:13:09.518516Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0310877","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":"2026-07-04T14:13:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hTvq9uKO3XN6BxOsxWx7QcnMrplabTo79oiPAkyV2j59LTcjJyBY2e3DGSeR0c8MFjD6ASeJp1psFWX+Ht2xDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T06:51:28.779136Z"},"content_sha256":"c258adad246e9c061534ecb892df8e2d6ac9f359ddd936d13bd787c9409a53c8","schema_version":"1.0","event_id":"sha256:c258adad246e9c061534ecb892df8e2d6ac9f359ddd936d13bd787c9409a53c8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:7YD46HYB2INBSSCL4Y3FBMPHYC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Nuclear Dynamics and Star Formation of AGN","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"L. Tacconi, N. Thatte, R. Davies, R. Genzel","submitted_at":"2003-10-30T16:50:33Z","abstract_excerpt":"We are using adaptive optics on Keck and the VLT to probe the dynamics and star formation in Seyfert and QSO nuclei, obtaining spatial resolutions better than 0.1\" in the H- and K-bands. The dynamics are traced via the 2.12um H_2 1-0S(1) line, while the stellar cluster is traced through the CO 2-0 and 6-3 absorption bandheads at 2.29um and 1.62um respectively. Matching disk models to the H_2 rotation curves allows us to study nuclear rings, bars, and warps; and to constrain the mass of the central black hole. The spatial extent and equivalent width of the stellar absorption permits us to estim"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0310877","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/astro-ph/0310877/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":"2026-07-04T14:13:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a+213ev0XT0PDi2bL3g8MiUBJF7pTtCl4a0Hjs+rwFWUZldevheZ4iYuApHwU5SPVJYFPvHl/KdEBgBgjj2vCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T06:51:28.779653Z"},"content_sha256":"c2dcbd9b03a0a0bd81bfb9df7b7265e0bd766530e88b9a36cc798b727fc3d2e5","schema_version":"1.0","event_id":"sha256:c2dcbd9b03a0a0bd81bfb9df7b7265e0bd766530e88b9a36cc798b727fc3d2e5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7YD46HYB2INBSSCL4Y3FBMPHYC/bundle.json","state_url":"https://pith.science/pith/7YD46HYB2INBSSCL4Y3FBMPHYC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7YD46HYB2INBSSCL4Y3FBMPHYC/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":"2026-08-06T06:51:28Z","links":{"resolver":"https://pith.science/pith/7YD46HYB2INBSSCL4Y3FBMPHYC","bundle":"https://pith.science/pith/7YD46HYB2INBSSCL4Y3FBMPHYC/bundle.json","state":"https://pith.science/pith/7YD46HYB2INBSSCL4Y3FBMPHYC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7YD46HYB2INBSSCL4Y3FBMPHYC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:7YD46HYB2INBSSCL4Y3FBMPHYC","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":"df1b946cac974de5be1c3fb8ca93d8d83f41634793223b46de615399b1abaadf","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-10-30T16:50:33Z","title_canon_sha256":"2ae014970555f57cb92fac4514add738746e7eb100718a5cf9b435e7c79552a9"},"schema_version":"1.0","source":{"id":"astro-ph/0310877","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0310877","created_at":"2026-07-04T14:13:09Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0310877v1","created_at":"2026-07-04T14:13:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0310877","created_at":"2026-07-04T14:13:09Z"},{"alias_kind":"pith_short_12","alias_value":"7YD46HYB2INB","created_at":"2026-07-04T14:13:09Z"},{"alias_kind":"pith_short_16","alias_value":"7YD46HYB2INBSSCL","created_at":"2026-07-04T14:13:09Z"},{"alias_kind":"pith_short_8","alias_value":"7YD46HYB","created_at":"2026-07-04T14:13:09Z"}],"graph_snapshots":[{"event_id":"sha256:c2dcbd9b03a0a0bd81bfb9df7b7265e0bd766530e88b9a36cc798b727fc3d2e5","target":"graph","created_at":"2026-07-04T14:13:09Z","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/astro-ph/0310877/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We are using adaptive optics on Keck and the VLT to probe the dynamics and star formation in Seyfert and QSO nuclei, obtaining spatial resolutions better than 0.1\" in the H- and K-bands. The dynamics are traced via the 2.12um H_2 1-0S(1) line, while the stellar cluster is traced through the CO 2-0 and 6-3 absorption bandheads at 2.29um and 1.62um respectively. Matching disk models to the H_2 rotation curves allows us to study nuclear rings, bars, and warps; and to constrain the mass of the central black hole. The spatial extent and equivalent width of the stellar absorption permits us to estim","authors_text":"L. Tacconi, N. Thatte, R. Davies, R. Genzel","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2003-10-30T16:50:33Z","title":"Nuclear Dynamics and Star Formation of AGN"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0310877","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:c258adad246e9c061534ecb892df8e2d6ac9f359ddd936d13bd787c9409a53c8","target":"record","created_at":"2026-07-04T14:13:09Z","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":"df1b946cac974de5be1c3fb8ca93d8d83f41634793223b46de615399b1abaadf","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-10-30T16:50:33Z","title_canon_sha256":"2ae014970555f57cb92fac4514add738746e7eb100718a5cf9b435e7c79552a9"},"schema_version":"1.0","source":{"id":"astro-ph/0310877","kind":"arxiv","version":1}},"canonical_sha256":"fe07cf1f01d21a19484be63650b1e7c0bf97e6434980fab2b960ccb4f8dbea27","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fe07cf1f01d21a19484be63650b1e7c0bf97e6434980fab2b960ccb4f8dbea27","first_computed_at":"2026-07-04T14:13:09.518516Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:13:09.518516Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lrCiADyab7yX+ra1zLGc7MWBuf07A2CMCtshdUjwxQwRPPSRDLFnwvbOVfUukE/xqKfqaSypgvTYpjcXGW9bBA==","signature_status":"signed_v1","signed_at":"2026-07-04T14:13:09.518898Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0310877","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c258adad246e9c061534ecb892df8e2d6ac9f359ddd936d13bd787c9409a53c8","sha256:c2dcbd9b03a0a0bd81bfb9df7b7265e0bd766530e88b9a36cc798b727fc3d2e5"],"state_sha256":"0705277a4b53f1e445ee88b3943b61148bc14cff820c2eceecaf7e7f042f04c2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ESVSLvd0+bkuOZcYk6Tnp9ihZF36XNo+cnR8x8uFo5Quf2wwx5cK4JUE7M3IOHp0usVGNtShnEvXJT95qGcPDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T06:51:28.783517Z","bundle_sha256":"e4af70e6c4ef265b798c53743a1bf80affe097a964ca97081f004660b47de7ed"}}