{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1996:YHYI3IA4LE52F7UTMJK5YWTDXJ","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":"560dce34d09e6c4a9982c99ab6343b708c8dc316c7b49ed1b992ae2266574114","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1996-01-02T20:51:52Z","title_canon_sha256":"e1c0ca1ccf606baa952638ba489b83e4dfe12ef563bc4ae0c6a467503d1eb422"},"schema_version":"1.0","source":{"id":"astro-ph/9601006","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9601006","created_at":"2026-07-04T14:14:40Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9601006v1","created_at":"2026-07-04T14:14:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9601006","created_at":"2026-07-04T14:14:40Z"},{"alias_kind":"pith_short_12","alias_value":"YHYI3IA4LE52","created_at":"2026-07-04T14:14:40Z"},{"alias_kind":"pith_short_16","alias_value":"YHYI3IA4LE52F7UT","created_at":"2026-07-04T14:14:40Z"},{"alias_kind":"pith_short_8","alias_value":"YHYI3IA4","created_at":"2026-07-04T14:14:40Z"}],"graph_snapshots":[{"event_id":"sha256:abfe5bf7382aa0f66c4140637009237cb9e716f526cb7827ab3714270f172fbc","target":"graph","created_at":"2026-07-04T14:14:40Z","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/9601006/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Because Type Ia supernovae (SNe Ia) are not perfect standard candles, it is important to be able to use distance-independent observables (DIOs) to define subsets of SNe Ia that are ``nearly standard candles'' or to correct SN Ia absolute magnitudes to make them nearly homogeneous (``standardized candles''). This is not crucial for the measurement of H_0, but it is for the measurement of q_0 and of parent-galaxy peculiar velocities. We discuss the use of various photometric and spectroscopic SN Ia DIOs, and a parent-galaxy DIO, for this purpose. We also discuss the status of the absolute-magnit","authors_text":"Adam Fisher, David Branch, Peter Nugent","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"1996-01-02T20:51:52Z","title":"Type Ia Supernovae as Extragalactic Distance Indicators"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9601006","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":"sha256:2878c617805ad70ccb716e8f8a5c68d7023f57d66f4378e7c1205e99db9a8f01","target":"record","created_at":"2026-07-04T14:14:40Z","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":"560dce34d09e6c4a9982c99ab6343b708c8dc316c7b49ed1b992ae2266574114","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1996-01-02T20:51:52Z","title_canon_sha256":"e1c0ca1ccf606baa952638ba489b83e4dfe12ef563bc4ae0c6a467503d1eb422"},"schema_version":"1.0","source":{"id":"astro-ph/9601006","kind":"arxiv","version":1}},"canonical_sha256":"c1f08da01c593ba2fe936255dc5a63ba7e4bfcaedd2ae85453d644c0e62614c5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c1f08da01c593ba2fe936255dc5a63ba7e4bfcaedd2ae85453d644c0e62614c5","first_computed_at":"2026-07-04T14:14:40.438738Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:14:40.438738Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oos9mHFa2B0R0UthJC1qUoylVGrAfOmqTofKp032Red4pff6hq9hqpG2SzYfmjPjg9nKuRwGoq+Jduxe7Z2LBQ==","signature_status":"signed_v1","signed_at":"2026-07-04T14:14:40.439132Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/9601006","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2878c617805ad70ccb716e8f8a5c68d7023f57d66f4378e7c1205e99db9a8f01","sha256:abfe5bf7382aa0f66c4140637009237cb9e716f526cb7827ab3714270f172fbc"],"state_sha256":"c3e9f4b725a59699a4e151dc1423e48c68f125af92e5395c5be6c5ce1232320d"}