{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:HKF3Q6EETOUS6WP4DLKMURBBTX","short_pith_number":"pith:HKF3Q6EE","canonical_record":{"source":{"id":"astro-ph/0603426","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-03-16T15:27:42Z","cross_cats_sorted":[],"title_canon_sha256":"edd563ab0c4164a366461b10ab2cc47530d22ea8aa312802a3c91f7843badd6f","abstract_canon_sha256":"2bd4381f372d42fb6a142ccee4697738e60dc565c6674d359824058038676cc0"},"schema_version":"1.0"},"canonical_sha256":"3a8bb878849ba92f59fc1ad4ca44219de2d54b8846fb49f20aab590b38220876","source":{"kind":"arxiv","id":"astro-ph/0603426","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0603426","created_at":"2026-05-18T01:07:25Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0603426v2","created_at":"2026-05-18T01:07:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0603426","created_at":"2026-05-18T01:07:25Z"},{"alias_kind":"pith_short_12","alias_value":"HKF3Q6EETOUS","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"HKF3Q6EETOUS6WP4","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"HKF3Q6EE","created_at":"2026-05-18T12:25:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:HKF3Q6EETOUS6WP4DLKMURBBTX","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0603426","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-03-16T15:27:42Z","cross_cats_sorted":[],"title_canon_sha256":"edd563ab0c4164a366461b10ab2cc47530d22ea8aa312802a3c91f7843badd6f","abstract_canon_sha256":"2bd4381f372d42fb6a142ccee4697738e60dc565c6674d359824058038676cc0"},"schema_version":"1.0"},"canonical_sha256":"3a8bb878849ba92f59fc1ad4ca44219de2d54b8846fb49f20aab590b38220876","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:07:25.512794Z","signature_b64":"sRq+f+TKW/lHNHCqmW2x+OsuxW52C4r9Am5Z1UcT6igmKDe5KNk0dei8qH6re+fnHAnEEWHO68KYOoCFzqt8AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3a8bb878849ba92f59fc1ad4ca44219de2d54b8846fb49f20aab590b38220876","last_reissued_at":"2026-05-18T01:07:25.512295Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:07:25.512295Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0603426","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":"2026-05-18T01:07:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7tKhIB7g+E8klsY+H8alF6vPQqaaqJgeePrHw0QdAv/j6k/GSOk8ACk5Ay8LyP9MRzDtBp1PiWD23uBwmuWcDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T06:08:48.425589Z"},"content_sha256":"cf079e078c0d5363a8f6aa0fbec3c94e4639c03d9604653534d8389239cfc20d","schema_version":"1.0","event_id":"sha256:cf079e078c0d5363a8f6aa0fbec3c94e4639c03d9604653534d8389239cfc20d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:HKF3Q6EETOUS6WP4DLKMURBBTX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Swift Observations of GRB 050603: An afterglow with a steep late time decay slope","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Alon Retter (PSU), Bing Zhang (U. Nevada), Claudio Pagani (PSU), David N. Burrows (PSU), Dirk Grupe (PSU), Jamie A. Kennea (PSU), Jay Cummings (GSFC), John A. Nousek (PSU), Judith L. Racusin (PSU), Julian Osborne (U. Leicester), Milvia Capalbi (ASDC), Neil Gehrels (GSFC), Patricia Schady (MSSL, Patricia T. Boyd (GSFC), Paul O'Brien (U. Leicester), Peter Brown (PSU), Peter Meszaros (PSU), Peter Roming (PSU), PSU), Stephen T. Holland (GSFC)","submitted_at":"2006-03-16T15:27:42Z","abstract_excerpt":"We report the results of Swift observations of the Gamma Ray Burst GRB 050603. With a V magnitude V=18.2 about 10 hours after the burst the optical afterglow was the brightest so far detected by Swift and one of the brightest optical afterglows ever seen. The Burst Alert Telescope (BAT) light curves show three fast-rise-exponential-decay spikes with $T_{90}$=12s and a fluence of 7.6$\\times 10^{-6}$ ergs cm$^{-2}$ in the 15-150 keV band. With an $E_{\\rm \\gamma, iso} = 1.26 \\times 10^{54}$ ergs it was also one of the most energetic bursts of all times. The Swift spacecraft began observing of the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0603426","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":"2026-05-18T01:07:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IXpc7AGk/sWFrhWWAZ4ZyMhKh1rUV8dMc/tIFUEHR2L36FVn5zKHyyvxfDhiqLEXDsZBr2Gxo517zZ9Bg2aLBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T06:08:48.425939Z"},"content_sha256":"1823dc1ba4f8e469c1421128985ed6c25b93e34289aaab0a9ebffd109bcfda0c","schema_version":"1.0","event_id":"sha256:1823dc1ba4f8e469c1421128985ed6c25b93e34289aaab0a9ebffd109bcfda0c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HKF3Q6EETOUS6WP4DLKMURBBTX/bundle.json","state_url":"https://pith.science/pith/HKF3Q6EETOUS6WP4DLKMURBBTX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HKF3Q6EETOUS6WP4DLKMURBBTX/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":"2026-06-02T06:08:48Z","links":{"resolver":"https://pith.science/pith/HKF3Q6EETOUS6WP4DLKMURBBTX","bundle":"https://pith.science/pith/HKF3Q6EETOUS6WP4DLKMURBBTX/bundle.json","state":"https://pith.science/pith/HKF3Q6EETOUS6WP4DLKMURBBTX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HKF3Q6EETOUS6WP4DLKMURBBTX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:HKF3Q6EETOUS6WP4DLKMURBBTX","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":"2bd4381f372d42fb6a142ccee4697738e60dc565c6674d359824058038676cc0","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-03-16T15:27:42Z","title_canon_sha256":"edd563ab0c4164a366461b10ab2cc47530d22ea8aa312802a3c91f7843badd6f"},"schema_version":"1.0","source":{"id":"astro-ph/0603426","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0603426","created_at":"2026-05-18T01:07:25Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0603426v2","created_at":"2026-05-18T01:07:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0603426","created_at":"2026-05-18T01:07:25Z"},{"alias_kind":"pith_short_12","alias_value":"HKF3Q6EETOUS","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"HKF3Q6EETOUS6WP4","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"HKF3Q6EE","created_at":"2026-05-18T12:25:53Z"}],"graph_snapshots":[{"event_id":"sha256:1823dc1ba4f8e469c1421128985ed6c25b93e34289aaab0a9ebffd109bcfda0c","target":"graph","created_at":"2026-05-18T01:07:25Z","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 report the results of Swift observations of the Gamma Ray Burst GRB 050603. With a V magnitude V=18.2 about 10 hours after the burst the optical afterglow was the brightest so far detected by Swift and one of the brightest optical afterglows ever seen. The Burst Alert Telescope (BAT) light curves show three fast-rise-exponential-decay spikes with $T_{90}$=12s and a fluence of 7.6$\\times 10^{-6}$ ergs cm$^{-2}$ in the 15-150 keV band. With an $E_{\\rm \\gamma, iso} = 1.26 \\times 10^{54}$ ergs it was also one of the most energetic bursts of all times. The Swift spacecraft began observing of the","authors_text":"Alon Retter (PSU), Bing Zhang (U. Nevada), Claudio Pagani (PSU), David N. Burrows (PSU), Dirk Grupe (PSU), Jamie A. Kennea (PSU), Jay Cummings (GSFC), John A. Nousek (PSU), Judith L. Racusin (PSU), Julian Osborne (U. Leicester), Milvia Capalbi (ASDC), Neil Gehrels (GSFC), Patricia Schady (MSSL, Patricia T. Boyd (GSFC), Paul O'Brien (U. Leicester), Peter Brown (PSU), Peter Meszaros (PSU), Peter Roming (PSU), PSU), Stephen T. Holland (GSFC)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2006-03-16T15:27:42Z","title":"Swift Observations of GRB 050603: An afterglow with a steep late time decay slope"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0603426","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:cf079e078c0d5363a8f6aa0fbec3c94e4639c03d9604653534d8389239cfc20d","target":"record","created_at":"2026-05-18T01:07:25Z","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":"2bd4381f372d42fb6a142ccee4697738e60dc565c6674d359824058038676cc0","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-03-16T15:27:42Z","title_canon_sha256":"edd563ab0c4164a366461b10ab2cc47530d22ea8aa312802a3c91f7843badd6f"},"schema_version":"1.0","source":{"id":"astro-ph/0603426","kind":"arxiv","version":2}},"canonical_sha256":"3a8bb878849ba92f59fc1ad4ca44219de2d54b8846fb49f20aab590b38220876","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3a8bb878849ba92f59fc1ad4ca44219de2d54b8846fb49f20aab590b38220876","first_computed_at":"2026-05-18T01:07:25.512295Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:07:25.512295Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sRq+f+TKW/lHNHCqmW2x+OsuxW52C4r9Am5Z1UcT6igmKDe5KNk0dei8qH6re+fnHAnEEWHO68KYOoCFzqt8AA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:07:25.512794Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0603426","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cf079e078c0d5363a8f6aa0fbec3c94e4639c03d9604653534d8389239cfc20d","sha256:1823dc1ba4f8e469c1421128985ed6c25b93e34289aaab0a9ebffd109bcfda0c"],"state_sha256":"4a0fda343988a9c5ba4dd1287a379062acd93a7b4561a808e1bc044196f1f811"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"I1fg6UpJnqvC7PN4gUPt7YK4AiHmWsZU7egJ+7y11cqZXd7zynDgfRpBrXrp2gx4sd4rL7E8m7fWP+ecw7RABw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T06:08:48.428172Z","bundle_sha256":"6672a15ca4ed188233ee9c618f5bb23b08dce9fcb0bb38dfbce60d206a71f56a"}}