{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:3GRFVQ5FSOYGKO4ZSBD6YDXS6Y","short_pith_number":"pith:3GRFVQ5F","canonical_record":{"source":{"id":"1503.02020","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-03-06T17:22:35Z","cross_cats_sorted":[],"title_canon_sha256":"e5dcabe3659a84f0e92baef551ccbb0f7a450b10b08c014f2319c81e94538716","abstract_canon_sha256":"5ba5c958e66acb445ddca64ff60110b092896db781a742b73a3bd342ec3f38b9"},"schema_version":"1.0"},"canonical_sha256":"d9a25ac3a593b0653b999047ec0ef2f625182048db9c4ef43fba3123aba11821","source":{"kind":"arxiv","id":"1503.02020","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.02020","created_at":"2026-05-18T01:28:05Z"},{"alias_kind":"arxiv_version","alias_value":"1503.02020v2","created_at":"2026-05-18T01:28:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.02020","created_at":"2026-05-18T01:28:05Z"},{"alias_kind":"pith_short_12","alias_value":"3GRFVQ5FSOYG","created_at":"2026-05-18T12:29:02Z"},{"alias_kind":"pith_short_16","alias_value":"3GRFVQ5FSOYGKO4Z","created_at":"2026-05-18T12:29:02Z"},{"alias_kind":"pith_short_8","alias_value":"3GRFVQ5F","created_at":"2026-05-18T12:29:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:3GRFVQ5FSOYGKO4ZSBD6YDXS6Y","target":"record","payload":{"canonical_record":{"source":{"id":"1503.02020","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-03-06T17:22:35Z","cross_cats_sorted":[],"title_canon_sha256":"e5dcabe3659a84f0e92baef551ccbb0f7a450b10b08c014f2319c81e94538716","abstract_canon_sha256":"5ba5c958e66acb445ddca64ff60110b092896db781a742b73a3bd342ec3f38b9"},"schema_version":"1.0"},"canonical_sha256":"d9a25ac3a593b0653b999047ec0ef2f625182048db9c4ef43fba3123aba11821","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:28:05.461437Z","signature_b64":"RVh6T4EJa8RV9kwnDWdbhZ45srCfPqzPbiBKk7bDAmTouzN7gpCMy0nZ0RnmuLjjENpPgFi3H6IhG6nb5OySCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d9a25ac3a593b0653b999047ec0ef2f625182048db9c4ef43fba3123aba11821","last_reissued_at":"2026-05-18T01:28:05.460866Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:28:05.460866Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1503.02020","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":"2026-05-18T01:28:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"axu0XKmeGuX/hpjN+AKuy1tYJw6tjKkaoFmhx+SFYCPjN6jjFQdL2xiWcrgzLvIs7w9+L9flNB9ApC4e4v8iBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T21:48:49.019719Z"},"content_sha256":"604913bcb45d3ecddfc4b6e8b5d4c20578bbf81a838df7312f229d4582f79022","schema_version":"1.0","event_id":"sha256:604913bcb45d3ecddfc4b6e8b5d4c20578bbf81a838df7312f229d4582f79022"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:3GRFVQ5FSOYGKO4ZSBD6YDXS6Y","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"10 Years of XRT light curves: a general view of the X-ray afterglow","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"B. Gendre (ARTEMIS/OCA/CNRS/UNS), M. Boer, O. Bardho","submitted_at":"2015-03-06T17:22:35Z","abstract_excerpt":"During the pre-Swift era, a clustering of light curves was observed in the X-ray, optical and infrared afterglow of gamma-ray bursts. We used a sample of 254 GRB X-ray afterglows to check this fact in the Swift era. We corrected fluxes for distance, time dilation and losses of energy due to cosmological effects. With all our data in hand, we faced with a problem: our data were scattered. We investigated 3 possibilities to explain this, namely: the clustering does not exist, there are problems during calibration of data, and there are instrumental problems. We finally confirm that our sample is"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.02020","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":"2026-05-18T01:28:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"smqVvYqKLKIftJAbcGrpLBO5Sx8yJNQmmcPPz3TIP/hE8FF0UZS5CCtbhnjyDkvnM4LvR5hlZzDtS8WaObU3Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T21:48:49.020078Z"},"content_sha256":"58bc1b1b43c0429e24e2fd9e0bad55696e08f990cf542d88ee1adb706de2773e","schema_version":"1.0","event_id":"sha256:58bc1b1b43c0429e24e2fd9e0bad55696e08f990cf542d88ee1adb706de2773e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3GRFVQ5FSOYGKO4ZSBD6YDXS6Y/bundle.json","state_url":"https://pith.science/pith/3GRFVQ5FSOYGKO4ZSBD6YDXS6Y/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3GRFVQ5FSOYGKO4ZSBD6YDXS6Y/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":"2026-06-04T21:48:49Z","links":{"resolver":"https://pith.science/pith/3GRFVQ5FSOYGKO4ZSBD6YDXS6Y","bundle":"https://pith.science/pith/3GRFVQ5FSOYGKO4ZSBD6YDXS6Y/bundle.json","state":"https://pith.science/pith/3GRFVQ5FSOYGKO4ZSBD6YDXS6Y/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3GRFVQ5FSOYGKO4ZSBD6YDXS6Y/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:3GRFVQ5FSOYGKO4ZSBD6YDXS6Y","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":"5ba5c958e66acb445ddca64ff60110b092896db781a742b73a3bd342ec3f38b9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-03-06T17:22:35Z","title_canon_sha256":"e5dcabe3659a84f0e92baef551ccbb0f7a450b10b08c014f2319c81e94538716"},"schema_version":"1.0","source":{"id":"1503.02020","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.02020","created_at":"2026-05-18T01:28:05Z"},{"alias_kind":"arxiv_version","alias_value":"1503.02020v2","created_at":"2026-05-18T01:28:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.02020","created_at":"2026-05-18T01:28:05Z"},{"alias_kind":"pith_short_12","alias_value":"3GRFVQ5FSOYG","created_at":"2026-05-18T12:29:02Z"},{"alias_kind":"pith_short_16","alias_value":"3GRFVQ5FSOYGKO4Z","created_at":"2026-05-18T12:29:02Z"},{"alias_kind":"pith_short_8","alias_value":"3GRFVQ5F","created_at":"2026-05-18T12:29:02Z"}],"graph_snapshots":[{"event_id":"sha256:58bc1b1b43c0429e24e2fd9e0bad55696e08f990cf542d88ee1adb706de2773e","target":"graph","created_at":"2026-05-18T01:28:05Z","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":"During the pre-Swift era, a clustering of light curves was observed in the X-ray, optical and infrared afterglow of gamma-ray bursts. We used a sample of 254 GRB X-ray afterglows to check this fact in the Swift era. We corrected fluxes for distance, time dilation and losses of energy due to cosmological effects. With all our data in hand, we faced with a problem: our data were scattered. We investigated 3 possibilities to explain this, namely: the clustering does not exist, there are problems during calibration of data, and there are instrumental problems. We finally confirm that our sample is","authors_text":"B. Gendre (ARTEMIS/OCA/CNRS/UNS), M. Boer, O. Bardho","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-03-06T17:22:35Z","title":"10 Years of XRT light curves: a general view of the X-ray afterglow"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.02020","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":"sha256:604913bcb45d3ecddfc4b6e8b5d4c20578bbf81a838df7312f229d4582f79022","target":"record","created_at":"2026-05-18T01:28:05Z","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":"5ba5c958e66acb445ddca64ff60110b092896db781a742b73a3bd342ec3f38b9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-03-06T17:22:35Z","title_canon_sha256":"e5dcabe3659a84f0e92baef551ccbb0f7a450b10b08c014f2319c81e94538716"},"schema_version":"1.0","source":{"id":"1503.02020","kind":"arxiv","version":2}},"canonical_sha256":"d9a25ac3a593b0653b999047ec0ef2f625182048db9c4ef43fba3123aba11821","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d9a25ac3a593b0653b999047ec0ef2f625182048db9c4ef43fba3123aba11821","first_computed_at":"2026-05-18T01:28:05.460866Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:28:05.460866Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RVh6T4EJa8RV9kwnDWdbhZ45srCfPqzPbiBKk7bDAmTouzN7gpCMy0nZ0RnmuLjjENpPgFi3H6IhG6nb5OySCw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:28:05.461437Z","signed_message":"canonical_sha256_bytes"},"source_id":"1503.02020","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:604913bcb45d3ecddfc4b6e8b5d4c20578bbf81a838df7312f229d4582f79022","sha256:58bc1b1b43c0429e24e2fd9e0bad55696e08f990cf542d88ee1adb706de2773e"],"state_sha256":"4442e27e992427778fd58ea06acfe6db64948f2888da6b99cc3d924a2fa5f032"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7U8K9AGOlsEUl9/Jfb8Gf1OhZqIat34rAfDE07RcsYPhj2pcLwvhee+tO7kxnDJ8DB+JqMlHzO9QITWmPIh5CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T21:48:49.022044Z","bundle_sha256":"53208f03d4b09f9152211cbd47fac949673bf5fab2b533330cdb33505bc54516"}}