{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:L5KN6R4HZ333BOSATRD5FTIAXB","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":"61051d795a59f1dfbecf834e784a010402bef2c0cd5f507f5f023f911b1fb9e0","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-01-31T13:27:12Z","title_canon_sha256":"ce2018d00e597185957c0daa986e1686bb1bd18cc8b9147d478979a629f34e8f"},"schema_version":"1.0","source":{"id":"astro-ph/0301642","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0301642","created_at":"2026-07-04T16:36:25Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0301642v1","created_at":"2026-07-04T16:36:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0301642","created_at":"2026-07-04T16:36:25Z"},{"alias_kind":"pith_short_12","alias_value":"L5KN6R4HZ333","created_at":"2026-07-04T16:36:25Z"},{"alias_kind":"pith_short_16","alias_value":"L5KN6R4HZ333BOSA","created_at":"2026-07-04T16:36:25Z"},{"alias_kind":"pith_short_8","alias_value":"L5KN6R4H","created_at":"2026-07-04T16:36:25Z"}],"graph_snapshots":[{"event_id":"sha256:dc5f5df841e8de30d23b5a3374d5d179c0e6ecb3312f19c2e8329654a9ffed51","target":"graph","created_at":"2026-07-04T16:36:25Z","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/0301642/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We demonstrate the efficiency of high quality optical spectroscopic observations of two compact radio sources, PKS 1549-79 and PKS 1345+12, as a probe of the kinematics and physical conditions in the circumnuclear gas in the early stages of radio source evolution. We outline a schematic model for PKS 1345+12 based on the model for PKS 1549-79 proposed by Tadhunter et al. (2001) in which the young radio source is expanding through a dense and dusty enshrouding cocoon, sweeping material out of the circumnuclear regions.","authors_text":"2), (2) Kapteyn Institute, (3) ASTRON), C. N. Tadhunter (1), Groningen, J. Holt (1, R. Morganti (3) ((1) Sheffield","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2003-01-31T13:27:12Z","title":"Emission line studies of young radio sources"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0301642","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":"sha256:9a7b548c313d5d181bff2d01bc767c2d5530259f65fedcbf80747f5de9ce7156","target":"record","created_at":"2026-07-04T16:36:25Z","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":"61051d795a59f1dfbecf834e784a010402bef2c0cd5f507f5f023f911b1fb9e0","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-01-31T13:27:12Z","title_canon_sha256":"ce2018d00e597185957c0daa986e1686bb1bd18cc8b9147d478979a629f34e8f"},"schema_version":"1.0","source":{"id":"astro-ph/0301642","kind":"arxiv","version":1}},"canonical_sha256":"5f54df4787cef7b0ba409c47d2cd00b86e732a8caa15b514ffbc10f63d517713","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5f54df4787cef7b0ba409c47d2cd00b86e732a8caa15b514ffbc10f63d517713","first_computed_at":"2026-07-04T16:36:25.301841Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:36:25.301841Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fnx3nGVDEL1/DdewUP0waT0ozu8gSY7scD7PK9zqc2lDNPz/B4AJnfKyAQVaJU11LypLcEP4eTp9TIeTG2jbAg==","signature_status":"signed_v1","signed_at":"2026-07-04T16:36:25.302400Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0301642","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9a7b548c313d5d181bff2d01bc767c2d5530259f65fedcbf80747f5de9ce7156","sha256:dc5f5df841e8de30d23b5a3374d5d179c0e6ecb3312f19c2e8329654a9ffed51"],"state_sha256":"c368092b8c52a04bd204c868c6a9838acfaf764ec2ef1a792a22ee2e7beb0afb"}