{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2005:ZBZXAFEX6WLASUTMLFXXN3CYCD","short_pith_number":"pith:ZBZXAFEX","canonical_record":{"source":{"id":"astro-ph/0502320","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2005-02-16T15:51:34Z","cross_cats_sorted":[],"title_canon_sha256":"1dfcc97d2a9e3c870ad9d2b45c2d2a28938aa06f4d20ba0e92005f67e8336c3c","abstract_canon_sha256":"2343524dc966a60197ea40c88590a10e41b10a8d58d48622ef88d22401f209b0"},"schema_version":"1.0"},"canonical_sha256":"c873701497f59609526c596f76ec5810d64e2f9b5d19dae444935ce0eaa5adf7","source":{"kind":"arxiv","id":"astro-ph/0502320","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0502320","created_at":"2026-05-18T01:40:34Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0502320v3","created_at":"2026-05-18T01:40:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0502320","created_at":"2026-05-18T01:40:34Z"},{"alias_kind":"pith_short_12","alias_value":"ZBZXAFEX6WLA","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"ZBZXAFEX6WLASUTM","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"ZBZXAFEX","created_at":"2026-05-18T12:25:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2005:ZBZXAFEX6WLASUTMLFXXN3CYCD","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0502320","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2005-02-16T15:51:34Z","cross_cats_sorted":[],"title_canon_sha256":"1dfcc97d2a9e3c870ad9d2b45c2d2a28938aa06f4d20ba0e92005f67e8336c3c","abstract_canon_sha256":"2343524dc966a60197ea40c88590a10e41b10a8d58d48622ef88d22401f209b0"},"schema_version":"1.0"},"canonical_sha256":"c873701497f59609526c596f76ec5810d64e2f9b5d19dae444935ce0eaa5adf7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:40:34.396629Z","signature_b64":"NVsM84DvgMIad6lUJLyJhX+WiN0CaKtuFfIG/S4SPx8tqUbeZ8MN2VgVr5/t/tfA+4YNGEI7fOv+OjjJUDHkBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c873701497f59609526c596f76ec5810d64e2f9b5d19dae444935ce0eaa5adf7","last_reissued_at":"2026-05-18T01:40:34.396116Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:40:34.396116Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0502320","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:40:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"K8U1KVXACdyeNToCjNYKEC9o0+zeyVsfw+1/VX+G88ABrOKNEjt42Lr7Ka4LFqM5e7mR6woekax1U04J/AERBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T21:05:48.004647Z"},"content_sha256":"7096f4489d79c90cc44a79b37b4f944592d30a8619f79d7a9ac20325004a40e0","schema_version":"1.0","event_id":"sha256:7096f4489d79c90cc44a79b37b4f944592d30a8619f79d7a9ac20325004a40e0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2005:ZBZXAFEX6WLASUTMLFXXN3CYCD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Giant flare of SGR 1806-20 from a relativistic jet","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Fumio Takahara, Kunihito Ioka, Noriaki Shibazaki, Ryo Yamazaki","submitted_at":"2005-02-16T15:51:34Z","abstract_excerpt":"Japanese magnetospheric explorer GEOTAIL recorded a detailed light curve during the initial 600 msec of a giant flare from SGR 1806-20 on December 27, 2004. We show that the observed light curve is well explained by an emission from relativistically expanding fireballs, like those of gamma-ray bursts (GRBs). Especially, the observed rapid fading after 500msec suggests that ejecta is collimated in a jet. We derive an upper limit on the jet opening half-angle of 0.2 radian that is as narrow as those of GRBs."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0502320","kind":"arxiv","version":3},"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":"2026-05-18T01:40:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"S02mo8qiQ+ucdXU6NSOJOc2Yco0GV3PhLh1A6MSDJBxkqTq3NBb7t2RlOunCBxF+qQl/DX6pbbZe3TQ3kaZRBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T21:05:48.005005Z"},"content_sha256":"1a2482d21a97451c4ea7825bac089970cbbb573c4c9a9bca9fa4952888ee9889","schema_version":"1.0","event_id":"sha256:1a2482d21a97451c4ea7825bac089970cbbb573c4c9a9bca9fa4952888ee9889"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZBZXAFEX6WLASUTMLFXXN3CYCD/bundle.json","state_url":"https://pith.science/pith/ZBZXAFEX6WLASUTMLFXXN3CYCD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZBZXAFEX6WLASUTMLFXXN3CYCD/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":"2026-05-27T21:05:48Z","links":{"resolver":"https://pith.science/pith/ZBZXAFEX6WLASUTMLFXXN3CYCD","bundle":"https://pith.science/pith/ZBZXAFEX6WLASUTMLFXXN3CYCD/bundle.json","state":"https://pith.science/pith/ZBZXAFEX6WLASUTMLFXXN3CYCD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZBZXAFEX6WLASUTMLFXXN3CYCD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:ZBZXAFEX6WLASUTMLFXXN3CYCD","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":"2343524dc966a60197ea40c88590a10e41b10a8d58d48622ef88d22401f209b0","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2005-02-16T15:51:34Z","title_canon_sha256":"1dfcc97d2a9e3c870ad9d2b45c2d2a28938aa06f4d20ba0e92005f67e8336c3c"},"schema_version":"1.0","source":{"id":"astro-ph/0502320","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0502320","created_at":"2026-05-18T01:40:34Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0502320v3","created_at":"2026-05-18T01:40:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0502320","created_at":"2026-05-18T01:40:34Z"},{"alias_kind":"pith_short_12","alias_value":"ZBZXAFEX6WLA","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"ZBZXAFEX6WLASUTM","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"ZBZXAFEX","created_at":"2026-05-18T12:25:53Z"}],"graph_snapshots":[{"event_id":"sha256:1a2482d21a97451c4ea7825bac089970cbbb573c4c9a9bca9fa4952888ee9889","target":"graph","created_at":"2026-05-18T01:40:34Z","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":"Japanese magnetospheric explorer GEOTAIL recorded a detailed light curve during the initial 600 msec of a giant flare from SGR 1806-20 on December 27, 2004. We show that the observed light curve is well explained by an emission from relativistically expanding fireballs, like those of gamma-ray bursts (GRBs). Especially, the observed rapid fading after 500msec suggests that ejecta is collimated in a jet. We derive an upper limit on the jet opening half-angle of 0.2 radian that is as narrow as those of GRBs.","authors_text":"Fumio Takahara, Kunihito Ioka, Noriaki Shibazaki, Ryo Yamazaki","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2005-02-16T15:51:34Z","title":"Giant flare of SGR 1806-20 from a relativistic jet"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0502320","kind":"arxiv","version":3},"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":"sha256:7096f4489d79c90cc44a79b37b4f944592d30a8619f79d7a9ac20325004a40e0","target":"record","created_at":"2026-05-18T01:40:34Z","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":"2343524dc966a60197ea40c88590a10e41b10a8d58d48622ef88d22401f209b0","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2005-02-16T15:51:34Z","title_canon_sha256":"1dfcc97d2a9e3c870ad9d2b45c2d2a28938aa06f4d20ba0e92005f67e8336c3c"},"schema_version":"1.0","source":{"id":"astro-ph/0502320","kind":"arxiv","version":3}},"canonical_sha256":"c873701497f59609526c596f76ec5810d64e2f9b5d19dae444935ce0eaa5adf7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c873701497f59609526c596f76ec5810d64e2f9b5d19dae444935ce0eaa5adf7","first_computed_at":"2026-05-18T01:40:34.396116Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:40:34.396116Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NVsM84DvgMIad6lUJLyJhX+WiN0CaKtuFfIG/S4SPx8tqUbeZ8MN2VgVr5/t/tfA+4YNGEI7fOv+OjjJUDHkBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:40:34.396629Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0502320","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7096f4489d79c90cc44a79b37b4f944592d30a8619f79d7a9ac20325004a40e0","sha256:1a2482d21a97451c4ea7825bac089970cbbb573c4c9a9bca9fa4952888ee9889"],"state_sha256":"03f62b8c4d2a3dd7b30bf3000fc56694d8256bf16633d35bfc218ca70d6d7ccb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2YFhtIBFtMyM8ks9awNlWD+ToR8BlKXSaIyLIpXyMwSzCpNxmr+ixlByRGpL0mQSFw5Ny2A39jFe4a5PhIqoBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T21:05:48.007282Z","bundle_sha256":"22074b85536b1f87ed2972497965eb9d349097aab8eb3bc6ed879994a25b4452"}}