{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1993:KHHJ2PHMCURTR5U3IYPMXFBSWW","short_pith_number":"pith:KHHJ2PHM","canonical_record":{"source":{"id":"astro-ph/9305023","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1993-05-19T15:53:11Z","cross_cats_sorted":[],"title_canon_sha256":"a353fa892fb45f344fc3a486fdd093c1f75569336093d64fc16adb500eaf0320","abstract_canon_sha256":"304b575e7a96254c78a6c709b24b36cecdaa18fd3b47077415c1b4bd57d4057d"},"schema_version":"1.0"},"canonical_sha256":"51ce9d3cec152338f69b461ecb9432b5a17066140ffef1b30aca098bfd92f7df","source":{"kind":"arxiv","id":"astro-ph/9305023","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9305023","created_at":"2026-05-18T04:21:41Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9305023v1","created_at":"2026-05-18T04:21:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9305023","created_at":"2026-05-18T04:21:41Z"},{"alias_kind":"pith_short_12","alias_value":"KHHJ2PHMCURT","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"KHHJ2PHMCURTR5U3","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"KHHJ2PHM","created_at":"2026-05-18T12:25:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1993:KHHJ2PHMCURTR5U3IYPMXFBSWW","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/9305023","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1993-05-19T15:53:11Z","cross_cats_sorted":[],"title_canon_sha256":"a353fa892fb45f344fc3a486fdd093c1f75569336093d64fc16adb500eaf0320","abstract_canon_sha256":"304b575e7a96254c78a6c709b24b36cecdaa18fd3b47077415c1b4bd57d4057d"},"schema_version":"1.0"},"canonical_sha256":"51ce9d3cec152338f69b461ecb9432b5a17066140ffef1b30aca098bfd92f7df","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:21:41.328846Z","signature_b64":"DTEBbRiavJYA/z4GOU3nMHJuoVDc1tBcPpOdksCas4zDLsUD5Z4Et8k99ImS8D8+Hczf+1xy01hSl2MfxspiDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"51ce9d3cec152338f69b461ecb9432b5a17066140ffef1b30aca098bfd92f7df","last_reissued_at":"2026-05-18T04:21:41.328228Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:21:41.328228Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/9305023","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":"2026-05-18T04:21:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hjaXdBbyfL0sy+H8aMrMcABucaeBNt8emberJ5P3YZ6m4aVkzZNl89fLmrNvRNoXql+LBFrY8R2ACv3MbaupAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T21:14:35.623306Z"},"content_sha256":"6d7680c5d6c64f7b6743a97791c974e453daf482dbf6fb2241d648e02f0a3a36","schema_version":"1.0","event_id":"sha256:6d7680c5d6c64f7b6743a97791c974e453daf482dbf6fb2241d648e02f0a3a36"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1993:KHHJ2PHMCURTR5U3IYPMXFBSWW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"AG Carinae III. The 1990 hot phase of the star and the physical structure of the circumstellar environment","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"C. Rossi, R. Viotti, V.F. Polcaro","submitted_at":"1993-05-19T15:53:11Z","abstract_excerpt":"Long slit spectra of the region around the Luminous Blue Variable AG Car obtained in June 1990, just before the onset of its new brightening phase, indicate that AG Car was in the hottest phase so far recorded. The spectrum shows strong broad emissions of He II 468.6 nm, and [Fe III] 465.8-470.1 nm, and He I, N II, Si III, Al III and Fe III with a P Cygni profile. We have also identified weak lines of C II and O II. A faint continuum emission has been detected within the whole ring nebula. We also find that the spectrum of some regions is partially due to scattered star's light. This provides "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9305023","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":""},"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":"2026-05-18T04:21:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"il3eRkBuLbXAEnjTBm6+hRdZwboR9vopvhMRASSlUojmlM6/Fo9XDeSelzqhiZ8EjLkC4eU2CjwxTBfQ0CbEDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T21:14:35.623676Z"},"content_sha256":"a310c8d6436f1af5d435bf5e4855b0f4dcd308f80f08fdd9692f83bbd8ad658a","schema_version":"1.0","event_id":"sha256:a310c8d6436f1af5d435bf5e4855b0f4dcd308f80f08fdd9692f83bbd8ad658a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KHHJ2PHMCURTR5U3IYPMXFBSWW/bundle.json","state_url":"https://pith.science/pith/KHHJ2PHMCURTR5U3IYPMXFBSWW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KHHJ2PHMCURTR5U3IYPMXFBSWW/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":"2026-05-30T21:14:35Z","links":{"resolver":"https://pith.science/pith/KHHJ2PHMCURTR5U3IYPMXFBSWW","bundle":"https://pith.science/pith/KHHJ2PHMCURTR5U3IYPMXFBSWW/bundle.json","state":"https://pith.science/pith/KHHJ2PHMCURTR5U3IYPMXFBSWW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KHHJ2PHMCURTR5U3IYPMXFBSWW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1993:KHHJ2PHMCURTR5U3IYPMXFBSWW","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":"304b575e7a96254c78a6c709b24b36cecdaa18fd3b47077415c1b4bd57d4057d","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1993-05-19T15:53:11Z","title_canon_sha256":"a353fa892fb45f344fc3a486fdd093c1f75569336093d64fc16adb500eaf0320"},"schema_version":"1.0","source":{"id":"astro-ph/9305023","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9305023","created_at":"2026-05-18T04:21:41Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9305023v1","created_at":"2026-05-18T04:21:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9305023","created_at":"2026-05-18T04:21:41Z"},{"alias_kind":"pith_short_12","alias_value":"KHHJ2PHMCURT","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"KHHJ2PHMCURTR5U3","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"KHHJ2PHM","created_at":"2026-05-18T12:25:47Z"}],"graph_snapshots":[{"event_id":"sha256:a310c8d6436f1af5d435bf5e4855b0f4dcd308f80f08fdd9692f83bbd8ad658a","target":"graph","created_at":"2026-05-18T04:21:41Z","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"},"paper":{"abstract_excerpt":"Long slit spectra of the region around the Luminous Blue Variable AG Car obtained in June 1990, just before the onset of its new brightening phase, indicate that AG Car was in the hottest phase so far recorded. The spectrum shows strong broad emissions of He II 468.6 nm, and [Fe III] 465.8-470.1 nm, and He I, N II, Si III, Al III and Fe III with a P Cygni profile. We have also identified weak lines of C II and O II. A faint continuum emission has been detected within the whole ring nebula. We also find that the spectrum of some regions is partially due to scattered star's light. This provides ","authors_text":"C. Rossi, R. Viotti, V.F. Polcaro","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"1993-05-19T15:53:11Z","title":"AG Carinae III. The 1990 hot phase of the star and the physical structure of the circumstellar environment"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9305023","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":"sha256:6d7680c5d6c64f7b6743a97791c974e453daf482dbf6fb2241d648e02f0a3a36","target":"record","created_at":"2026-05-18T04:21:41Z","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":"304b575e7a96254c78a6c709b24b36cecdaa18fd3b47077415c1b4bd57d4057d","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1993-05-19T15:53:11Z","title_canon_sha256":"a353fa892fb45f344fc3a486fdd093c1f75569336093d64fc16adb500eaf0320"},"schema_version":"1.0","source":{"id":"astro-ph/9305023","kind":"arxiv","version":1}},"canonical_sha256":"51ce9d3cec152338f69b461ecb9432b5a17066140ffef1b30aca098bfd92f7df","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"51ce9d3cec152338f69b461ecb9432b5a17066140ffef1b30aca098bfd92f7df","first_computed_at":"2026-05-18T04:21:41.328228Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:21:41.328228Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DTEBbRiavJYA/z4GOU3nMHJuoVDc1tBcPpOdksCas4zDLsUD5Z4Et8k99ImS8D8+Hczf+1xy01hSl2MfxspiDg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:21:41.328846Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/9305023","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6d7680c5d6c64f7b6743a97791c974e453daf482dbf6fb2241d648e02f0a3a36","sha256:a310c8d6436f1af5d435bf5e4855b0f4dcd308f80f08fdd9692f83bbd8ad658a"],"state_sha256":"9c5b360ea68b6ceab5f6bf399872a0a2d82e13ac996b518437b36a46c165f6cc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vq2wqozTMOJgnn1mhel235GRRH5rIIQWfQ3seV9st3dEYnh9Yh4vabLjtDAmAKaqaCJB0m4+QA4g5PE11C1QBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T21:14:35.625789Z","bundle_sha256":"5826a3021d3631b3604f79fe2007c400f0119758128b43e772f017ee73bd4da6"}}