{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:BNBLIUNPVVHG3W4KCXWR5B55JU","short_pith_number":"pith:BNBLIUNP","canonical_record":{"source":{"id":"0910.2492","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-10-14T15:43:40Z","cross_cats_sorted":["gr-qc","hep-ph"],"title_canon_sha256":"e96ed422b837c9e9bab76502bb3427d1c9da6479d1ad037fcf4700022aea1131","abstract_canon_sha256":"980ad3584b2381f1c5dc416653fa6bbcf384c68254661fe0da5746f3410051e2"},"schema_version":"1.0"},"canonical_sha256":"0b42b451afad4e6ddb8a15ed1e87bd4d0553cce7cdc37857bf44329ba2ce1442","source":{"kind":"arxiv","id":"0910.2492","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0910.2492","created_at":"2026-05-18T03:23:57Z"},{"alias_kind":"arxiv_version","alias_value":"0910.2492v2","created_at":"2026-05-18T03:23:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.2492","created_at":"2026-05-18T03:23:57Z"},{"alias_kind":"pith_short_12","alias_value":"BNBLIUNPVVHG","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"BNBLIUNPVVHG3W4K","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"BNBLIUNP","created_at":"2026-05-18T12:25:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:BNBLIUNPVVHG3W4KCXWR5B55JU","target":"record","payload":{"canonical_record":{"source":{"id":"0910.2492","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-10-14T15:43:40Z","cross_cats_sorted":["gr-qc","hep-ph"],"title_canon_sha256":"e96ed422b837c9e9bab76502bb3427d1c9da6479d1ad037fcf4700022aea1131","abstract_canon_sha256":"980ad3584b2381f1c5dc416653fa6bbcf384c68254661fe0da5746f3410051e2"},"schema_version":"1.0"},"canonical_sha256":"0b42b451afad4e6ddb8a15ed1e87bd4d0553cce7cdc37857bf44329ba2ce1442","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:23:57.260467Z","signature_b64":"0P+9zM0EfCaH2RCJnrPIzJ3pgw0/87XVmk5dCWo+6mUiQ0njCgfKRKWjTBnY5R9hkbjr9EpC3sAV/gAjIn69AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0b42b451afad4e6ddb8a15ed1e87bd4d0553cce7cdc37857bf44329ba2ce1442","last_reissued_at":"2026-05-18T03:23:57.259561Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:23:57.259561Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0910.2492","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":"2026-05-18T03:23:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3XxhddHzANJGzFlnPrI3Knha1xTPJzyXO0XlCbtGqu/4/6eTDPca3W9IQm31mG8frd2EYP1F335jqIacSwquAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T18:32:51.900173Z"},"content_sha256":"e3f39d54c5eef178b0f0c5047707ba5e47867d6415267a180a280402305ce398","schema_version":"1.0","event_id":"sha256:e3f39d54c5eef178b0f0c5047707ba5e47867d6415267a180a280402305ce398"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:BNBLIUNPVVHG3W4KCXWR5B55JU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Distance Measurements from Supernovae and Dark Energy Constraints","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"Yun Wang","submitted_at":"2009-10-14T15:43:40Z","abstract_excerpt":"Constraints on dark energy from current observational data are sensitive to how distances are measured from Type Ia supernova (SN Ia) data. We find that flux-averaging of SNe Ia can be used to test the presence of unknown systematic uncertainties, and yield more robust distance measurements from SNe Ia. We have applied this approach to the nearby + SDSS +ESSENCE +SNLS +HST set of 288 SNe Ia, and the ``Constitution''of set 397 SNe Ia. Combining the SN Ia data with CMB data from WMAP five year observations, the Sloan Digital Sky Survey baryon acoustic oscillation measurements, the data of 69 gam"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.2492","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":""},"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":"2026-05-18T03:23:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9SJgKI6AakZc85RfVwy3EzdKaULXu2eGQC+YMcQn4Vcgfk0P8yDlmkmYavjZBF7PILdAMkZOuzlAwV4/pqUjAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T18:32:51.900884Z"},"content_sha256":"b70efa3bbfe25984bea050f6d62ccbc25ce237f6bffcc2daa7ea2825d74bbd07","schema_version":"1.0","event_id":"sha256:b70efa3bbfe25984bea050f6d62ccbc25ce237f6bffcc2daa7ea2825d74bbd07"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BNBLIUNPVVHG3W4KCXWR5B55JU/bundle.json","state_url":"https://pith.science/pith/BNBLIUNPVVHG3W4KCXWR5B55JU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BNBLIUNPVVHG3W4KCXWR5B55JU/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":"2026-05-24T18:32:51Z","links":{"resolver":"https://pith.science/pith/BNBLIUNPVVHG3W4KCXWR5B55JU","bundle":"https://pith.science/pith/BNBLIUNPVVHG3W4KCXWR5B55JU/bundle.json","state":"https://pith.science/pith/BNBLIUNPVVHG3W4KCXWR5B55JU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BNBLIUNPVVHG3W4KCXWR5B55JU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:BNBLIUNPVVHG3W4KCXWR5B55JU","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":"980ad3584b2381f1c5dc416653fa6bbcf384c68254661fe0da5746f3410051e2","cross_cats_sorted":["gr-qc","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-10-14T15:43:40Z","title_canon_sha256":"e96ed422b837c9e9bab76502bb3427d1c9da6479d1ad037fcf4700022aea1131"},"schema_version":"1.0","source":{"id":"0910.2492","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0910.2492","created_at":"2026-05-18T03:23:57Z"},{"alias_kind":"arxiv_version","alias_value":"0910.2492v2","created_at":"2026-05-18T03:23:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.2492","created_at":"2026-05-18T03:23:57Z"},{"alias_kind":"pith_short_12","alias_value":"BNBLIUNPVVHG","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"BNBLIUNPVVHG3W4K","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"BNBLIUNP","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:b70efa3bbfe25984bea050f6d62ccbc25ce237f6bffcc2daa7ea2825d74bbd07","target":"graph","created_at":"2026-05-18T03:23:57Z","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":"Constraints on dark energy from current observational data are sensitive to how distances are measured from Type Ia supernova (SN Ia) data. We find that flux-averaging of SNe Ia can be used to test the presence of unknown systematic uncertainties, and yield more robust distance measurements from SNe Ia. We have applied this approach to the nearby + SDSS +ESSENCE +SNLS +HST set of 288 SNe Ia, and the ``Constitution''of set 397 SNe Ia. Combining the SN Ia data with CMB data from WMAP five year observations, the Sloan Digital Sky Survey baryon acoustic oscillation measurements, the data of 69 gam","authors_text":"Yun Wang","cross_cats":["gr-qc","hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-10-14T15:43:40Z","title":"Distance Measurements from Supernovae and Dark Energy Constraints"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.2492","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:e3f39d54c5eef178b0f0c5047707ba5e47867d6415267a180a280402305ce398","target":"record","created_at":"2026-05-18T03:23:57Z","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":"980ad3584b2381f1c5dc416653fa6bbcf384c68254661fe0da5746f3410051e2","cross_cats_sorted":["gr-qc","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-10-14T15:43:40Z","title_canon_sha256":"e96ed422b837c9e9bab76502bb3427d1c9da6479d1ad037fcf4700022aea1131"},"schema_version":"1.0","source":{"id":"0910.2492","kind":"arxiv","version":2}},"canonical_sha256":"0b42b451afad4e6ddb8a15ed1e87bd4d0553cce7cdc37857bf44329ba2ce1442","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0b42b451afad4e6ddb8a15ed1e87bd4d0553cce7cdc37857bf44329ba2ce1442","first_computed_at":"2026-05-18T03:23:57.259561Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:23:57.259561Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0P+9zM0EfCaH2RCJnrPIzJ3pgw0/87XVmk5dCWo+6mUiQ0njCgfKRKWjTBnY5R9hkbjr9EpC3sAV/gAjIn69AQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:23:57.260467Z","signed_message":"canonical_sha256_bytes"},"source_id":"0910.2492","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e3f39d54c5eef178b0f0c5047707ba5e47867d6415267a180a280402305ce398","sha256:b70efa3bbfe25984bea050f6d62ccbc25ce237f6bffcc2daa7ea2825d74bbd07"],"state_sha256":"14b43e7603a1defc847c5fa9b22976433122445afd2c115bc1790ba869da05fb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JZv6lLeqKLivXYeEXX8gwJBYmtIurw/PKz/K+RYtR8x8vt1T0W7fMYDqYQAQLXmCzTnlecN9n8zPBH2NeMP4Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T18:32:51.904094Z","bundle_sha256":"5a1c2b87a43c7dab1dcaea0094660c15227464fbc310dce72bab9992ae6eebda"}}