{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2007:DM2FIKNA46Y4L5FHZURUGBGKWM","short_pith_number":"pith:DM2FIKNA","canonical_record":{"source":{"id":"astro-ph/0701812","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-01-29T11:06:46Z","cross_cats_sorted":[],"title_canon_sha256":"9ff8783332c2180baee312553709fd6e1e721e3da93f3827d48c474ded21465f","abstract_canon_sha256":"f297a6fd24b2a7e18c81a7eae720ec74e83ad096345e15ba5c657e3a89897733"},"schema_version":"1.0"},"canonical_sha256":"1b345429a0e7b1c5f4a7cd234304cab339b49b86ae79965474dc3b690bed252b","source":{"kind":"arxiv","id":"astro-ph/0701812","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0701812","created_at":"2026-05-18T04:36:20Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0701812v2","created_at":"2026-05-18T04:36:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0701812","created_at":"2026-05-18T04:36:20Z"},{"alias_kind":"pith_short_12","alias_value":"DM2FIKNA46Y4","created_at":"2026-05-18T12:25:55Z"},{"alias_kind":"pith_short_16","alias_value":"DM2FIKNA46Y4L5FH","created_at":"2026-05-18T12:25:55Z"},{"alias_kind":"pith_short_8","alias_value":"DM2FIKNA","created_at":"2026-05-18T12:25:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2007:DM2FIKNA46Y4L5FHZURUGBGKWM","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0701812","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-01-29T11:06:46Z","cross_cats_sorted":[],"title_canon_sha256":"9ff8783332c2180baee312553709fd6e1e721e3da93f3827d48c474ded21465f","abstract_canon_sha256":"f297a6fd24b2a7e18c81a7eae720ec74e83ad096345e15ba5c657e3a89897733"},"schema_version":"1.0"},"canonical_sha256":"1b345429a0e7b1c5f4a7cd234304cab339b49b86ae79965474dc3b690bed252b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:36:20.424238Z","signature_b64":"hUt5BUEoZGu8sKcQsyVGQkXsUaNY4a9rwDoEwMycAvCwm1WBVmv019CYiA9ci2VxOgqTU1rxrnSw7MYIz0U8Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1b345429a0e7b1c5f4a7cd234304cab339b49b86ae79965474dc3b690bed252b","last_reissued_at":"2026-05-18T04:36:20.423756Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:36:20.423756Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0701812","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":"2026-05-18T04:36:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7TXFN1Lx/DzLGMU7n9t8PU4e5HOTpsOovv4PFi1SoraNorK8r2dqYwrirTBMSSq1noukZAV9i1X/CP1rlaDsCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T14:52:06.301799Z"},"content_sha256":"78412bd527f1237d0e96d79670b9e3db4613a2e4f4c42302c4b571e5ee6f669d","schema_version":"1.0","event_id":"sha256:78412bd527f1237d0e96d79670b9e3db4613a2e4f4c42302c4b571e5ee6f669d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2007:DM2FIKNA46Y4L5FHZURUGBGKWM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Rest frame light curves of Swift GRBs","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"(2) Dept of Astronomy & Astrophysics, (3) INAF-Osservatorio Astronomico di Brera, (4) ASI-Science Data Center, 5), (5) Universita degli Studi di Milano, A. Moretti (3), Bicocca), D. Burrows (2), E. Troja (1), G. Chincarini (3, G. Cusumano (1), M.Capalbi (4), M. Perri (4), N.Gehrels (6), P. Giommi (4), P. Romano (3); ((1) INAF-IASF PA, PSU, S. Campana (3), T. Mineo (1), V. La Parola (1), V. Mangano (1)","submitted_at":"2007-01-29T11:06:46Z","abstract_excerpt":"We have computed the luminosity rest frame light curves of the first 40 Gamma-ray bursts (GRBs) detected by Swift with well established redshift. We studied average properties of the light curves in the four subsamples of bursts given by z<1, 1<z<2, 2<z<=4, and z>=4. We conclude that all the last three subsamples share the same morphology and the same luminosity range. Very high redshift (z>=4) GRBs detected up to now are not intrinsically longer than lower redshift long GRBs. Nearby long GRBs (z<1) are fainter than average. Possible selection effect are under investigation."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0701812","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":"2026-05-18T04:36:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9D/bMun9S6IGJ7nuOsmbi/nNKWs385FxBhP7V8HhT0Jm3m5Oq9sVopeEcw4sjPmJhz0dvlvUMShyDPusXvoqBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T14:52:06.302468Z"},"content_sha256":"1897c800d44672bd13746e88dfc78d69f35d2cde6af76e114ee5ba9d5dbedd67","schema_version":"1.0","event_id":"sha256:1897c800d44672bd13746e88dfc78d69f35d2cde6af76e114ee5ba9d5dbedd67"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DM2FIKNA46Y4L5FHZURUGBGKWM/bundle.json","state_url":"https://pith.science/pith/DM2FIKNA46Y4L5FHZURUGBGKWM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DM2FIKNA46Y4L5FHZURUGBGKWM/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":"2026-05-30T14:52:06Z","links":{"resolver":"https://pith.science/pith/DM2FIKNA46Y4L5FHZURUGBGKWM","bundle":"https://pith.science/pith/DM2FIKNA46Y4L5FHZURUGBGKWM/bundle.json","state":"https://pith.science/pith/DM2FIKNA46Y4L5FHZURUGBGKWM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DM2FIKNA46Y4L5FHZURUGBGKWM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:DM2FIKNA46Y4L5FHZURUGBGKWM","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":"f297a6fd24b2a7e18c81a7eae720ec74e83ad096345e15ba5c657e3a89897733","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-01-29T11:06:46Z","title_canon_sha256":"9ff8783332c2180baee312553709fd6e1e721e3da93f3827d48c474ded21465f"},"schema_version":"1.0","source":{"id":"astro-ph/0701812","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0701812","created_at":"2026-05-18T04:36:20Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0701812v2","created_at":"2026-05-18T04:36:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0701812","created_at":"2026-05-18T04:36:20Z"},{"alias_kind":"pith_short_12","alias_value":"DM2FIKNA46Y4","created_at":"2026-05-18T12:25:55Z"},{"alias_kind":"pith_short_16","alias_value":"DM2FIKNA46Y4L5FH","created_at":"2026-05-18T12:25:55Z"},{"alias_kind":"pith_short_8","alias_value":"DM2FIKNA","created_at":"2026-05-18T12:25:55Z"}],"graph_snapshots":[{"event_id":"sha256:1897c800d44672bd13746e88dfc78d69f35d2cde6af76e114ee5ba9d5dbedd67","target":"graph","created_at":"2026-05-18T04:36:20Z","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":"We have computed the luminosity rest frame light curves of the first 40 Gamma-ray bursts (GRBs) detected by Swift with well established redshift. We studied average properties of the light curves in the four subsamples of bursts given by z<1, 1<z<2, 2<z<=4, and z>=4. We conclude that all the last three subsamples share the same morphology and the same luminosity range. Very high redshift (z>=4) GRBs detected up to now are not intrinsically longer than lower redshift long GRBs. Nearby long GRBs (z<1) are fainter than average. Possible selection effect are under investigation.","authors_text":"(2) Dept of Astronomy & Astrophysics, (3) INAF-Osservatorio Astronomico di Brera, (4) ASI-Science Data Center, 5), (5) Universita degli Studi di Milano, A. Moretti (3), Bicocca), D. Burrows (2), E. Troja (1), G. Chincarini (3, G. Cusumano (1), M.Capalbi (4), M. Perri (4), N.Gehrels (6), P. Giommi (4), P. Romano (3); ((1) INAF-IASF PA, PSU, S. Campana (3), T. Mineo (1), V. La Parola (1), V. Mangano (1)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2007-01-29T11:06:46Z","title":"Rest frame light curves of Swift GRBs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0701812","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":"sha256:78412bd527f1237d0e96d79670b9e3db4613a2e4f4c42302c4b571e5ee6f669d","target":"record","created_at":"2026-05-18T04:36:20Z","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":"f297a6fd24b2a7e18c81a7eae720ec74e83ad096345e15ba5c657e3a89897733","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-01-29T11:06:46Z","title_canon_sha256":"9ff8783332c2180baee312553709fd6e1e721e3da93f3827d48c474ded21465f"},"schema_version":"1.0","source":{"id":"astro-ph/0701812","kind":"arxiv","version":2}},"canonical_sha256":"1b345429a0e7b1c5f4a7cd234304cab339b49b86ae79965474dc3b690bed252b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1b345429a0e7b1c5f4a7cd234304cab339b49b86ae79965474dc3b690bed252b","first_computed_at":"2026-05-18T04:36:20.423756Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:36:20.423756Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hUt5BUEoZGu8sKcQsyVGQkXsUaNY4a9rwDoEwMycAvCwm1WBVmv019CYiA9ci2VxOgqTU1rxrnSw7MYIz0U8Aw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:36:20.424238Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0701812","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:78412bd527f1237d0e96d79670b9e3db4613a2e4f4c42302c4b571e5ee6f669d","sha256:1897c800d44672bd13746e88dfc78d69f35d2cde6af76e114ee5ba9d5dbedd67"],"state_sha256":"087c9ff45414250ef63c40c17548794cdcbec517e7244ce5841601e4c3424e3d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bOZ5ih/YgtPBV7jglyDjhEgw7IIHSGgRrocTStY7eLyb84ab3+shl7Wz7eUN94wMiXk8K9dp9ZRKs7Q853+kBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T14:52:06.306213Z","bundle_sha256":"bd676024db165600af24ce51e0bea401533232e4d19721260b6320f5ce943866"}}