{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1998:7WL6MQMW5YULBRBKODAJ2VG5KZ","short_pith_number":"pith:7WL6MQMW","canonical_record":{"source":{"id":"astro-ph/9808133","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1998-08-13T12:35:33Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"f0111e73176963643e79f468d8a78594755beec4b5f8a9e44d02089f2517d522","abstract_canon_sha256":"6c7bedd53b25939a33127044046a3f80fd6418285c13547367914ba625f326ee"},"schema_version":"1.0"},"canonical_sha256":"fd97e64196ee28b0c42a70c09d54dd567de4c880325318426a63208896f35a93","source":{"kind":"arxiv","id":"astro-ph/9808133","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9808133","created_at":"2026-07-04T17:18:54Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9808133v2","created_at":"2026-07-04T17:18:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9808133","created_at":"2026-07-04T17:18:54Z"},{"alias_kind":"pith_short_12","alias_value":"7WL6MQMW5YUL","created_at":"2026-07-04T17:18:54Z"},{"alias_kind":"pith_short_16","alias_value":"7WL6MQMW5YULBRBK","created_at":"2026-07-04T17:18:54Z"},{"alias_kind":"pith_short_8","alias_value":"7WL6MQMW","created_at":"2026-07-04T17:18:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1998:7WL6MQMW5YULBRBKODAJ2VG5KZ","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/9808133","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1998-08-13T12:35:33Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"f0111e73176963643e79f468d8a78594755beec4b5f8a9e44d02089f2517d522","abstract_canon_sha256":"6c7bedd53b25939a33127044046a3f80fd6418285c13547367914ba625f326ee"},"schema_version":"1.0"},"canonical_sha256":"fd97e64196ee28b0c42a70c09d54dd567de4c880325318426a63208896f35a93","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:18:54.256419Z","signature_b64":"m+cOJ80LqKdQIPYuzLv2ks217dSxd1yHFNo2MiFm75ahi27+jxxSG9771SavI0mX7uIM2/xeLcvbAu6ufD0iAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fd97e64196ee28b0c42a70c09d54dd567de4c880325318426a63208896f35a93","last_reissued_at":"2026-07-04T17:18:54.256060Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:18:54.256060Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/9808133","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":"2026-07-04T17:18:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"K24g9mBn7j+/BZx4LqUT6knA0VHB5IiJ4+MNuyQJ8lb+CGmr01YV6wauwXozPkGvb1a8HQ62S0nVtPHnydeUDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T03:56:06.123946Z"},"content_sha256":"5a3236762581cc7e4f3399a4387096d955d334e52981a0d1573db09ec66982f3","schema_version":"1.0","event_id":"sha256:5a3236762581cc7e4f3399a4387096d955d334e52981a0d1573db09ec66982f3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1998:7WL6MQMW5YULBRBKODAJ2VG5KZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Prospects for probing the dark energy via supernova distance measurements","license":"","headline":"","cross_cats":["hep-ph"],"primary_cat":"astro-ph","authors_text":"Dragan Huterer, Michael S. Turner (Chicago/Fermilab)","submitted_at":"1998-08-13T12:35:33Z","abstract_excerpt":"Distance measurements to Type Ia supernovae (SNe Ia) indicate that the Universe is accelerating and that two-thirds of the critical energy density exists in a dark-energy component with negative pressure. Distance measurements to SNe Ia can be used to distinguish between different possibilities for the dark energy, and if it is an evolving scalar field, to reconstruct the scalar-field potential. We derive the reconstruction equations and address the feasibility of this approach by Monte-Carlo simulation."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9808133","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/9808133/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":"2026-07-04T17:18:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yKvFGq8UNBEg57GZMyqSxxHJtcJV5Z7qZJEFzWRphoKFs1uTTJmf4Ko7/U0ji6bBNYTHv22Nnl0rsRQ5nX8GBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T03:56:06.124450Z"},"content_sha256":"9f749e129f269fce41abf2592b0ef7b5023eb292cdb3bbe402bdd5a7df7c11ac","schema_version":"1.0","event_id":"sha256:9f749e129f269fce41abf2592b0ef7b5023eb292cdb3bbe402bdd5a7df7c11ac"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7WL6MQMW5YULBRBKODAJ2VG5KZ/bundle.json","state_url":"https://pith.science/pith/7WL6MQMW5YULBRBKODAJ2VG5KZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7WL6MQMW5YULBRBKODAJ2VG5KZ/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":"2026-08-16T03:56:06Z","links":{"resolver":"https://pith.science/pith/7WL6MQMW5YULBRBKODAJ2VG5KZ","bundle":"https://pith.science/pith/7WL6MQMW5YULBRBKODAJ2VG5KZ/bundle.json","state":"https://pith.science/pith/7WL6MQMW5YULBRBKODAJ2VG5KZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7WL6MQMW5YULBRBKODAJ2VG5KZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1998:7WL6MQMW5YULBRBKODAJ2VG5KZ","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":"6c7bedd53b25939a33127044046a3f80fd6418285c13547367914ba625f326ee","cross_cats_sorted":["hep-ph"],"license":"","primary_cat":"astro-ph","submitted_at":"1998-08-13T12:35:33Z","title_canon_sha256":"f0111e73176963643e79f468d8a78594755beec4b5f8a9e44d02089f2517d522"},"schema_version":"1.0","source":{"id":"astro-ph/9808133","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9808133","created_at":"2026-07-04T17:18:54Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9808133v2","created_at":"2026-07-04T17:18:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9808133","created_at":"2026-07-04T17:18:54Z"},{"alias_kind":"pith_short_12","alias_value":"7WL6MQMW5YUL","created_at":"2026-07-04T17:18:54Z"},{"alias_kind":"pith_short_16","alias_value":"7WL6MQMW5YULBRBK","created_at":"2026-07-04T17:18:54Z"},{"alias_kind":"pith_short_8","alias_value":"7WL6MQMW","created_at":"2026-07-04T17:18:54Z"}],"graph_snapshots":[{"event_id":"sha256:9f749e129f269fce41abf2592b0ef7b5023eb292cdb3bbe402bdd5a7df7c11ac","target":"graph","created_at":"2026-07-04T17:18:54Z","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/9808133/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Distance measurements to Type Ia supernovae (SNe Ia) indicate that the Universe is accelerating and that two-thirds of the critical energy density exists in a dark-energy component with negative pressure. Distance measurements to SNe Ia can be used to distinguish between different possibilities for the dark energy, and if it is an evolving scalar field, to reconstruct the scalar-field potential. We derive the reconstruction equations and address the feasibility of this approach by Monte-Carlo simulation.","authors_text":"Dragan Huterer, Michael S. Turner (Chicago/Fermilab)","cross_cats":["hep-ph"],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"1998-08-13T12:35:33Z","title":"Prospects for probing the dark energy via supernova distance measurements"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9808133","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":"sha256:5a3236762581cc7e4f3399a4387096d955d334e52981a0d1573db09ec66982f3","target":"record","created_at":"2026-07-04T17:18:54Z","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":"6c7bedd53b25939a33127044046a3f80fd6418285c13547367914ba625f326ee","cross_cats_sorted":["hep-ph"],"license":"","primary_cat":"astro-ph","submitted_at":"1998-08-13T12:35:33Z","title_canon_sha256":"f0111e73176963643e79f468d8a78594755beec4b5f8a9e44d02089f2517d522"},"schema_version":"1.0","source":{"id":"astro-ph/9808133","kind":"arxiv","version":2}},"canonical_sha256":"fd97e64196ee28b0c42a70c09d54dd567de4c880325318426a63208896f35a93","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fd97e64196ee28b0c42a70c09d54dd567de4c880325318426a63208896f35a93","first_computed_at":"2026-07-04T17:18:54.256060Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:18:54.256060Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"m+cOJ80LqKdQIPYuzLv2ks217dSxd1yHFNo2MiFm75ahi27+jxxSG9771SavI0mX7uIM2/xeLcvbAu6ufD0iAA==","signature_status":"signed_v1","signed_at":"2026-07-04T17:18:54.256419Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/9808133","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5a3236762581cc7e4f3399a4387096d955d334e52981a0d1573db09ec66982f3","sha256:9f749e129f269fce41abf2592b0ef7b5023eb292cdb3bbe402bdd5a7df7c11ac"],"state_sha256":"dad46fdf62f5b4b391785af4a5a39ac91ff1e694544a873f1cd31272176d8799"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D7+Xh9nNCZSK8ze+UGo+yA88w2LkjfAuGP15XLkrjgTKEjnpci5Dns8dUvxeD4A8Shus076ms29FgPG0/83JCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T03:56:06.131191Z","bundle_sha256":"5a61c3c29c734bbcdc28d43919d0438e0e6586631c3ea475cca404feef138740"}}