{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2004:QFPC7T7BPSACJFTR3BXNCSHZWP","short_pith_number":"pith:QFPC7T7B","canonical_record":{"source":{"id":"astro-ph/0402512","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2004-02-23T16:46:43Z","cross_cats_sorted":[],"title_canon_sha256":"d28c4f4e92775cc9c22dd91a89dee55c5d5e1225383f5ce40ce746bc1cce194f","abstract_canon_sha256":"2cd4aa3137a02b6b866fba9c150c3f17eef4f5e4527684fb6490d576a4e91133"},"schema_version":"1.0"},"canonical_sha256":"815e2fcfe17c80249671d86ed148f9b3dd2d5804ba2e7a38007a4e30e31e9275","source":{"kind":"arxiv","id":"astro-ph/0402512","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0402512","created_at":"2026-07-04T15:26:25Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0402512v2","created_at":"2026-07-04T15:26:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0402512","created_at":"2026-07-04T15:26:25Z"},{"alias_kind":"pith_short_12","alias_value":"QFPC7T7BPSAC","created_at":"2026-07-04T15:26:25Z"},{"alias_kind":"pith_short_16","alias_value":"QFPC7T7BPSACJFTR","created_at":"2026-07-04T15:26:25Z"},{"alias_kind":"pith_short_8","alias_value":"QFPC7T7B","created_at":"2026-07-04T15:26:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2004:QFPC7T7BPSACJFTR3BXNCSHZWP","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0402512","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2004-02-23T16:46:43Z","cross_cats_sorted":[],"title_canon_sha256":"d28c4f4e92775cc9c22dd91a89dee55c5d5e1225383f5ce40ce746bc1cce194f","abstract_canon_sha256":"2cd4aa3137a02b6b866fba9c150c3f17eef4f5e4527684fb6490d576a4e91133"},"schema_version":"1.0"},"canonical_sha256":"815e2fcfe17c80249671d86ed148f9b3dd2d5804ba2e7a38007a4e30e31e9275","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:26:25.931881Z","signature_b64":"oiXPduM6blAS00cVYNgJqa4mqVYx+7qYh8+boiSqng5Pi+Fz7IbRtWJz5MFHRA5999wJfpKQL08zF/XD//JLBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"815e2fcfe17c80249671d86ed148f9b3dd2d5804ba2e7a38007a4e30e31e9275","last_reissued_at":"2026-07-04T15:26:25.931442Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:26:25.931442Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0402512","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T15:26:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4UuWpiEIyEpZy6aYcgLjAb4nwD6u45y7B36bh+lgMG1GL+8Upk2+EHqmzDB3HR3Po/LjBuAagKr9bO4AqlSFBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-02T20:38:42.214861Z"},"content_sha256":"981988851f01c8ead1104efb44764c0c17352bf981f3565dc28be14c05419d9c","schema_version":"1.0","event_id":"sha256:981988851f01c8ead1104efb44764c0c17352bf981f3565dc28be14c05419d9c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2004:QFPC7T7BPSACJFTR3BXNCSHZWP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Type Ia Supernova Discoveries at z>1 From the Hubble Space Telescope: Evidence for Past Deceleration and Constraints on Dark Energy Evolution","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Adam G. Riess, Alexei V. Filippenko, Bahram Mobasher, Bruno Leibundgut, Charles C. Steidel, Henry C. Ferguson, John Tonry, Louis-Gregory Strolger, Mario Livio, Mark Dickinson, Mauro Giavalisco, Narciso Benitez, Peter Challis, Robert P. Kirshner, Ryan Chornock, Saurabh Jha, Stefano Casertano, Weidong Li, Zlatan Tsvetanov","submitted_at":"2004-02-23T16:46:43Z","abstract_excerpt":"We have discovered 16 Type Ia supernovae (SNe Ia) with the Hubble Space Telescope (HST) and have used them to provide the first conclusive evidence for cosmic deceleration that preceded the current epoch of cosmic acceleration. These objects, discovered during the course of the GOODS ACS Treasury program, include 6 of the 7 highest-redshift SNe Ia known, all at z>1.25, and populate the Hubble diagram in unexplored territory. The luminosity distances to these and 170 previous SNe Ia are provided. A purely kinematic interpretation of the SN Ia sample provides evidence at the > 99% confidence lev"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0402512","kind":"arxiv","version":2},"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/0402512/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":"2026-07-04T15:26:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jRo4rMxef8epG3ts8yAigcQhxGniQzk2Xn2y2GRv8HkVhKrXOLkax6aAnf0ppzpIel+Jo0DFkji8Q8UatxJTDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-02T20:38:42.215208Z"},"content_sha256":"e98f4e7845c51e0c1d78aabdcb192e61bfee32a5c55db4edd99690b02b53baa3","schema_version":"1.0","event_id":"sha256:e98f4e7845c51e0c1d78aabdcb192e61bfee32a5c55db4edd99690b02b53baa3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QFPC7T7BPSACJFTR3BXNCSHZWP/bundle.json","state_url":"https://pith.science/pith/QFPC7T7BPSACJFTR3BXNCSHZWP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QFPC7T7BPSACJFTR3BXNCSHZWP/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":"2026-08-02T20:38:42Z","links":{"resolver":"https://pith.science/pith/QFPC7T7BPSACJFTR3BXNCSHZWP","bundle":"https://pith.science/pith/QFPC7T7BPSACJFTR3BXNCSHZWP/bundle.json","state":"https://pith.science/pith/QFPC7T7BPSACJFTR3BXNCSHZWP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QFPC7T7BPSACJFTR3BXNCSHZWP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:QFPC7T7BPSACJFTR3BXNCSHZWP","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":"2cd4aa3137a02b6b866fba9c150c3f17eef4f5e4527684fb6490d576a4e91133","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2004-02-23T16:46:43Z","title_canon_sha256":"d28c4f4e92775cc9c22dd91a89dee55c5d5e1225383f5ce40ce746bc1cce194f"},"schema_version":"1.0","source":{"id":"astro-ph/0402512","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0402512","created_at":"2026-07-04T15:26:25Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0402512v2","created_at":"2026-07-04T15:26:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0402512","created_at":"2026-07-04T15:26:25Z"},{"alias_kind":"pith_short_12","alias_value":"QFPC7T7BPSAC","created_at":"2026-07-04T15:26:25Z"},{"alias_kind":"pith_short_16","alias_value":"QFPC7T7BPSACJFTR","created_at":"2026-07-04T15:26:25Z"},{"alias_kind":"pith_short_8","alias_value":"QFPC7T7B","created_at":"2026-07-04T15:26:25Z"}],"graph_snapshots":[{"event_id":"sha256:e98f4e7845c51e0c1d78aabdcb192e61bfee32a5c55db4edd99690b02b53baa3","target":"graph","created_at":"2026-07-04T15:26:25Z","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/0402512/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We have discovered 16 Type Ia supernovae (SNe Ia) with the Hubble Space Telescope (HST) and have used them to provide the first conclusive evidence for cosmic deceleration that preceded the current epoch of cosmic acceleration. These objects, discovered during the course of the GOODS ACS Treasury program, include 6 of the 7 highest-redshift SNe Ia known, all at z>1.25, and populate the Hubble diagram in unexplored territory. The luminosity distances to these and 170 previous SNe Ia are provided. A purely kinematic interpretation of the SN Ia sample provides evidence at the > 99% confidence lev","authors_text":"Adam G. Riess, Alexei V. Filippenko, Bahram Mobasher, Bruno Leibundgut, Charles C. Steidel, Henry C. Ferguson, John Tonry, Louis-Gregory Strolger, Mario Livio, Mark Dickinson, Mauro Giavalisco, Narciso Benitez, Peter Challis, Robert P. Kirshner, Ryan Chornock, Saurabh Jha, Stefano Casertano, Weidong Li, Zlatan Tsvetanov","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2004-02-23T16:46:43Z","title":"Type Ia Supernova Discoveries at z>1 From the Hubble Space Telescope: Evidence for Past Deceleration and Constraints on Dark Energy Evolution"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0402512","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":"sha256:981988851f01c8ead1104efb44764c0c17352bf981f3565dc28be14c05419d9c","target":"record","created_at":"2026-07-04T15:26:25Z","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":"2cd4aa3137a02b6b866fba9c150c3f17eef4f5e4527684fb6490d576a4e91133","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2004-02-23T16:46:43Z","title_canon_sha256":"d28c4f4e92775cc9c22dd91a89dee55c5d5e1225383f5ce40ce746bc1cce194f"},"schema_version":"1.0","source":{"id":"astro-ph/0402512","kind":"arxiv","version":2}},"canonical_sha256":"815e2fcfe17c80249671d86ed148f9b3dd2d5804ba2e7a38007a4e30e31e9275","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"815e2fcfe17c80249671d86ed148f9b3dd2d5804ba2e7a38007a4e30e31e9275","first_computed_at":"2026-07-04T15:26:25.931442Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:26:25.931442Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oiXPduM6blAS00cVYNgJqa4mqVYx+7qYh8+boiSqng5Pi+Fz7IbRtWJz5MFHRA5999wJfpKQL08zF/XD//JLBw==","signature_status":"signed_v1","signed_at":"2026-07-04T15:26:25.931881Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0402512","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:981988851f01c8ead1104efb44764c0c17352bf981f3565dc28be14c05419d9c","sha256:e98f4e7845c51e0c1d78aabdcb192e61bfee32a5c55db4edd99690b02b53baa3"],"state_sha256":"4f006376a7ff40150d270fe80767334e6a17fc45411b2c5f827c454cd7cc1ade"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SQtJ4VsDSeB/3/DE6FKZUKLgavkQoPOcsOgmoaogOPMXCVOIua0Zh4OPIgu/wRjZvPEvIMF3FXP5rKXp3+STDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-02T20:38:42.218564Z","bundle_sha256":"2d99ece2a3241ee0fc1e4379aa87dab2556a9d0ee31b60505633782307a68502"}}