{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2005:7EKLMV347B3IU3L2222JYGFXYP","short_pith_number":"pith:7EKLMV34","canonical_record":{"source":{"id":"astro-ph/0507458","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2005-07-19T20:30:46Z","cross_cats_sorted":[],"title_canon_sha256":"cd2eeb122bab4130b0bd20b7780a465621c6f0e55093b8dd729c121ffb70ebb9","abstract_canon_sha256":"0922cc5b3abf5a4b152bd1c30027ac3522fbfe7676425671eea0b007092bb845"},"schema_version":"1.0"},"canonical_sha256":"f914b6577cf8768a6d7ad6b49c18b7c3deae71a1b1ff91177b9cd4fbffc0b5c6","source":{"kind":"arxiv","id":"astro-ph/0507458","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0507458","created_at":"2026-05-18T03:47:43Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0507458v1","created_at":"2026-05-18T03:47:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0507458","created_at":"2026-05-18T03:47:43Z"},{"alias_kind":"pith_short_12","alias_value":"7EKLMV347B3I","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"7EKLMV347B3IU3L2","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"7EKLMV34","created_at":"2026-05-18T12:25:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2005:7EKLMV347B3IU3L2222JYGFXYP","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0507458","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2005-07-19T20:30:46Z","cross_cats_sorted":[],"title_canon_sha256":"cd2eeb122bab4130b0bd20b7780a465621c6f0e55093b8dd729c121ffb70ebb9","abstract_canon_sha256":"0922cc5b3abf5a4b152bd1c30027ac3522fbfe7676425671eea0b007092bb845"},"schema_version":"1.0"},"canonical_sha256":"f914b6577cf8768a6d7ad6b49c18b7c3deae71a1b1ff91177b9cd4fbffc0b5c6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:47:43.455130Z","signature_b64":"5IjMIraIIzBcFXEARMTYnWuzf2nZjnr10onRRuD/u+rKZxjnn6jNgeBRBkH9REP7AurjpYRMMapBwM2HmZW/Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f914b6577cf8768a6d7ad6b49c18b7c3deae71a1b1ff91177b9cd4fbffc0b5c6","last_reissued_at":"2026-05-18T03:47:43.454708Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:47:43.454708Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0507458","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":"2026-05-18T03:47:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aEnTnDugc/+8Hz3pCb6m7qxwVYpP7SccXjOCgtWIiLirWetxo6EEITuL570uLAvxxuAx1MDJ1YIlGyXgSOz9CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T13:55:10.493537Z"},"content_sha256":"d67af9a8cbe10ffe0db9c6ebfcc0b6c4c183d9a489b47e1ad2d7308f17aee1ee","schema_version":"1.0","event_id":"sha256:d67af9a8cbe10ffe0db9c6ebfcc0b6c4c183d9a489b47e1ad2d7308f17aee1ee"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2005:7EKLMV347B3IU3L2222JYGFXYP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Seeing the Nature of the Accelerating Physics: It's a SNAP","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"SNAP Collaboration","submitted_at":"2005-07-19T20:30:46Z","abstract_excerpt":"For true insight into the nature of dark energy, measurements of the precision and accuracy of the Supernova/Acceleration Probe (SNAP) are required. Precursor or scaled-down experiments are unavoidably limited, even for distinguishing the cosmological constant. This white paper presents an overview of the necessity for SNAP and the role of precursor experiments; accompanying white papers detail the supernovae and weak lensing parts of the experiment."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0507458","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":"2026-05-18T03:47:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XP7mq49k/XXW2COVXzWMxJ2LIuQptRXjYC77iMT+82I7tqcaW+BwRE0okxi2qFLAD/whGiLdqTCAp5ug6QdaDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T13:55:10.494110Z"},"content_sha256":"79799ed4be1ce331d6096d39faed707daa8f2e1fd45ed63a50a6d4c415ce1003","schema_version":"1.0","event_id":"sha256:79799ed4be1ce331d6096d39faed707daa8f2e1fd45ed63a50a6d4c415ce1003"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7EKLMV347B3IU3L2222JYGFXYP/bundle.json","state_url":"https://pith.science/pith/7EKLMV347B3IU3L2222JYGFXYP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7EKLMV347B3IU3L2222JYGFXYP/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":"2026-08-18T13:55:10Z","links":{"resolver":"https://pith.science/pith/7EKLMV347B3IU3L2222JYGFXYP","bundle":"https://pith.science/pith/7EKLMV347B3IU3L2222JYGFXYP/bundle.json","state":"https://pith.science/pith/7EKLMV347B3IU3L2222JYGFXYP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7EKLMV347B3IU3L2222JYGFXYP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:7EKLMV347B3IU3L2222JYGFXYP","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":"0922cc5b3abf5a4b152bd1c30027ac3522fbfe7676425671eea0b007092bb845","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2005-07-19T20:30:46Z","title_canon_sha256":"cd2eeb122bab4130b0bd20b7780a465621c6f0e55093b8dd729c121ffb70ebb9"},"schema_version":"1.0","source":{"id":"astro-ph/0507458","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0507458","created_at":"2026-05-18T03:47:43Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0507458v1","created_at":"2026-05-18T03:47:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0507458","created_at":"2026-05-18T03:47:43Z"},{"alias_kind":"pith_short_12","alias_value":"7EKLMV347B3I","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"7EKLMV347B3IU3L2","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"7EKLMV34","created_at":"2026-05-18T12:25:53Z"}],"graph_snapshots":[{"event_id":"sha256:79799ed4be1ce331d6096d39faed707daa8f2e1fd45ed63a50a6d4c415ce1003","target":"graph","created_at":"2026-05-18T03:47:43Z","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":"For true insight into the nature of dark energy, measurements of the precision and accuracy of the Supernova/Acceleration Probe (SNAP) are required. Precursor or scaled-down experiments are unavoidably limited, even for distinguishing the cosmological constant. This white paper presents an overview of the necessity for SNAP and the role of precursor experiments; accompanying white papers detail the supernovae and weak lensing parts of the experiment.","authors_text":"SNAP Collaboration","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2005-07-19T20:30:46Z","title":"Seeing the Nature of the Accelerating Physics: It's a SNAP"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0507458","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:d67af9a8cbe10ffe0db9c6ebfcc0b6c4c183d9a489b47e1ad2d7308f17aee1ee","target":"record","created_at":"2026-05-18T03:47:43Z","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":"0922cc5b3abf5a4b152bd1c30027ac3522fbfe7676425671eea0b007092bb845","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2005-07-19T20:30:46Z","title_canon_sha256":"cd2eeb122bab4130b0bd20b7780a465621c6f0e55093b8dd729c121ffb70ebb9"},"schema_version":"1.0","source":{"id":"astro-ph/0507458","kind":"arxiv","version":1}},"canonical_sha256":"f914b6577cf8768a6d7ad6b49c18b7c3deae71a1b1ff91177b9cd4fbffc0b5c6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f914b6577cf8768a6d7ad6b49c18b7c3deae71a1b1ff91177b9cd4fbffc0b5c6","first_computed_at":"2026-05-18T03:47:43.454708Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:47:43.454708Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5IjMIraIIzBcFXEARMTYnWuzf2nZjnr10onRRuD/u+rKZxjnn6jNgeBRBkH9REP7AurjpYRMMapBwM2HmZW/Aw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:47:43.455130Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0507458","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d67af9a8cbe10ffe0db9c6ebfcc0b6c4c183d9a489b47e1ad2d7308f17aee1ee","sha256:79799ed4be1ce331d6096d39faed707daa8f2e1fd45ed63a50a6d4c415ce1003"],"state_sha256":"3daf9d8bafb5860004fa37c69bde627899f070383dde2f8bcc556cafdf5957cd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Y2tUJ+JKYZ1FNNMyW79W8cRzn9wWgRk5RIzXLTwBajCe4TXrpM3Anpa9+bX10Z/K/uMES0DT8Lq5eNzU2W+pAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T13:55:10.499315Z","bundle_sha256":"5ca32a552b2bdae40842d4604b3ca058c5af6a20dd9a9e58e88fda773e2e8d74"}}