{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:3NEWJ6RMLN2B6ARVCYUYM2QBLX","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":"2c20dc613d7341583d90eab4d5a11563ee299afdc5a376fb30f9c9848a4ee6f1","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-09-29T02:09:38Z","title_canon_sha256":"060a11ef51a8c3f51f85b4873ba98935c15b225711e2bfa58de034cfbb3fa33d"},"schema_version":"1.0","source":{"id":"1509.08558","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.08558","created_at":"2026-05-18T01:23:55Z"},{"alias_kind":"arxiv_version","alias_value":"1509.08558v2","created_at":"2026-05-18T01:23:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.08558","created_at":"2026-05-18T01:23:55Z"},{"alias_kind":"pith_short_12","alias_value":"3NEWJ6RMLN2B","created_at":"2026-05-18T12:29:02Z"},{"alias_kind":"pith_short_16","alias_value":"3NEWJ6RMLN2B6ARV","created_at":"2026-05-18T12:29:02Z"},{"alias_kind":"pith_short_8","alias_value":"3NEWJ6RM","created_at":"2026-05-18T12:29:02Z"}],"graph_snapshots":[{"event_id":"sha256:04fb86adf0a65f64623b511c9780cbfa3c0da52f697253322e51fa856dba874f","target":"graph","created_at":"2026-05-18T01:23:55Z","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":"In this paper, we use two model-independent methods to standardize long gamma-ray bursts (GRBs) using the $E_{\\rm iso}-E_{\\rm p}$ correlation, where $E_{\\rm iso}$ is the isotropic-equivalent gamma-ray energy and $E_{\\rm p}$ is the spectral peak energy. We update 42 long GRBs and try to make constraint on cosmological parameters. The full sample contains 151 long GRBs with redshifts from 0.0331 to 8.2. The first method is the simultaneous fitting method. The extrinsic scatter $\\sigma_{\\rm ext}$ is taken into account and assigned to the parameter $E_{\\rm iso}$. The best-fitting values are $a=49.","authors_text":"F. Y. Wang (NJU), J. S. Wang, K. S. Cheng (HKU), Z. G. Dai (NJU)","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-09-29T02:09:38Z","title":"Measuring dark energy with the $E_{\\rm iso}-E_{\\rm p}$ correlation of gamma-ray bursts using model-independent methods"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.08558","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:e26c5e1c4aa620206c122313b0dbbf7462e46e0e4a306505e4b4c5e4bce12a57","target":"record","created_at":"2026-05-18T01:23:55Z","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":"2c20dc613d7341583d90eab4d5a11563ee299afdc5a376fb30f9c9848a4ee6f1","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-09-29T02:09:38Z","title_canon_sha256":"060a11ef51a8c3f51f85b4873ba98935c15b225711e2bfa58de034cfbb3fa33d"},"schema_version":"1.0","source":{"id":"1509.08558","kind":"arxiv","version":2}},"canonical_sha256":"db4964fa2c5b741f02351629866a015dee74833a2a2fb65c400dabccf97d9fd7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"db4964fa2c5b741f02351629866a015dee74833a2a2fb65c400dabccf97d9fd7","first_computed_at":"2026-05-18T01:23:55.233794Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:23:55.233794Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5zfGSlMjijj0skriQm27RQqVAdtcoBLSpsv4Vz9wdCavVdRGyBXlh1u1x4WlEIywRw7nIDQ9RtE49S3HTqEjAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:23:55.234418Z","signed_message":"canonical_sha256_bytes"},"source_id":"1509.08558","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e26c5e1c4aa620206c122313b0dbbf7462e46e0e4a306505e4b4c5e4bce12a57","sha256:04fb86adf0a65f64623b511c9780cbfa3c0da52f697253322e51fa856dba874f"],"state_sha256":"e5035ca431b53c57237cbc3770a03f302ee911eeb6667cd423602cceda30ed60"}