{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:TGFFWBIBAEMAV3V7OBW7XKVAQN","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":"74f43d26e20ca2e45c213194dbf1f9477bae6550f7c2ec361ecca4ed0e0a4e77","cross_cats_sorted":["gr-qc","hep-ph"],"license":"","primary_cat":"astro-ph","submitted_at":"2003-12-17T09:12:48Z","title_canon_sha256":"2fbf18d75388af817e975a063c479b8bbd1941e96ed083f8b12cf0b5b4deb4e7"},"schema_version":"1.0","source":{"id":"astro-ph/0312443","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0312443","created_at":"2026-07-04T16:38:01Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0312443v2","created_at":"2026-07-04T16:38:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0312443","created_at":"2026-07-04T16:38:01Z"},{"alias_kind":"pith_short_12","alias_value":"TGFFWBIBAEMA","created_at":"2026-07-04T16:38:01Z"},{"alias_kind":"pith_short_16","alias_value":"TGFFWBIBAEMAV3V7","created_at":"2026-07-04T16:38:01Z"},{"alias_kind":"pith_short_8","alias_value":"TGFFWBIB","created_at":"2026-07-04T16:38:01Z"}],"graph_snapshots":[{"event_id":"sha256:fb23fa987290620e0fed9e443e7fa21a790f68417375f19e0df4d41de28fa1bd","target":"graph","created_at":"2026-07-04T16:38:01Z","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/0312443/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In cosmology, distances based on standard candles (e.g. supernovae) and standard rulers (e.g. baryon oscillations) agree as long as three conditions are met: (1) photon number is conserved, (2) gravity is described by a metric theory with (3) photons travelling on unique null geodesics. This is the content of distance-duality (the reciprocity relation) which can be violated by exotic physics. Here we analyse the implications of the latest cosmological data sets for distance-duality. While broadly in agreement and confirming acceleration we find a 2-sigma violation caused by excess brightening ","authors_text":"Bruce A. Bassett (Kyoto, ICG), Martin Kunz (Sussex)","cross_cats":["gr-qc","hep-ph"],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2003-12-17T09:12:48Z","title":"Cosmic distance-duality as probe of exotic physics and acceleration"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0312443","kind":"arxiv","version":2},"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":"sha256:922342327c3ee7efbb3ea85932f7cfb2cc784cab62ed2996932cb901d4eb3da7","target":"record","created_at":"2026-07-04T16:38:01Z","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":"74f43d26e20ca2e45c213194dbf1f9477bae6550f7c2ec361ecca4ed0e0a4e77","cross_cats_sorted":["gr-qc","hep-ph"],"license":"","primary_cat":"astro-ph","submitted_at":"2003-12-17T09:12:48Z","title_canon_sha256":"2fbf18d75388af817e975a063c479b8bbd1941e96ed083f8b12cf0b5b4deb4e7"},"schema_version":"1.0","source":{"id":"astro-ph/0312443","kind":"arxiv","version":2}},"canonical_sha256":"998a5b050101180aeebf706dfbaaa0837eb95917c79bbad1348f7d368fc140cb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"998a5b050101180aeebf706dfbaaa0837eb95917c79bbad1348f7d368fc140cb","first_computed_at":"2026-07-04T16:38:01.107549Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:38:01.107549Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nzBz70iEQ7YFpqjJD9EtsYGTtgqWwCbPJ3Cnk5MJTXTf+vAehgoQ00uQz8JFCt6N3V1LQVaXndhUjzp+O6CMCQ==","signature_status":"signed_v1","signed_at":"2026-07-04T16:38:01.107918Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0312443","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:922342327c3ee7efbb3ea85932f7cfb2cc784cab62ed2996932cb901d4eb3da7","sha256:fb23fa987290620e0fed9e443e7fa21a790f68417375f19e0df4d41de28fa1bd"],"state_sha256":"47ed0c9686f3672c54051a5a90651d7a4d2e667bcfbc7b4c4a63d892c79ef4ca"}