{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:IYDRTMGMP57XPLEQVZ4EI2LGGZ","short_pith_number":"pith:IYDRTMGM","canonical_record":{"source":{"id":"0902.3391","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-02-19T15:34:52Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"c35c0297a53f03405f5557b96ff024e1112eb5f3932bf141e27bffc0c9015507","abstract_canon_sha256":"e3b26e0e00f2d328f332a2b9f1df0d493a7a987a3fe9e92e2c893b703b4839f6"},"schema_version":"1.0"},"canonical_sha256":"460719b0cc7f7f77ac90ae784469663668375460ec50087bab770f9a52373ab6","source":{"kind":"arxiv","id":"0902.3391","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0902.3391","created_at":"2026-05-18T04:29:16Z"},{"alias_kind":"arxiv_version","alias_value":"0902.3391v2","created_at":"2026-05-18T04:29:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0902.3391","created_at":"2026-05-18T04:29:16Z"},{"alias_kind":"pith_short_12","alias_value":"IYDRTMGMP57X","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_16","alias_value":"IYDRTMGMP57XPLEQ","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_8","alias_value":"IYDRTMGM","created_at":"2026-05-18T12:26:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:IYDRTMGMP57XPLEQVZ4EI2LGGZ","target":"record","payload":{"canonical_record":{"source":{"id":"0902.3391","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-02-19T15:34:52Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"c35c0297a53f03405f5557b96ff024e1112eb5f3932bf141e27bffc0c9015507","abstract_canon_sha256":"e3b26e0e00f2d328f332a2b9f1df0d493a7a987a3fe9e92e2c893b703b4839f6"},"schema_version":"1.0"},"canonical_sha256":"460719b0cc7f7f77ac90ae784469663668375460ec50087bab770f9a52373ab6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:29:16.402119Z","signature_b64":"6cV/8GnTBhBXhUjfQTF+6S49C+Cl02JIhNRcPuB6JslnrGkykrWQomMYskjXPzdULn+bpZYDQSSxIexpoZs0Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"460719b0cc7f7f77ac90ae784469663668375460ec50087bab770f9a52373ab6","last_reissued_at":"2026-05-18T04:29:16.401656Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:29:16.401656Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0902.3391","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":"2026-05-18T04:29:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z8F/ceO8nszNFO8p4d2Y4r+NhK1Kyp/HPLw0i7nfyHN2A4RuWDPQz1jHvcHZ+Inu7SbxNvEJwzV1aqrnkB+1BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T00:50:06.054780Z"},"content_sha256":"3f2df0b40ee80ab8f7729aed6fdd8d0b541b71c11494615c44a8247aa5ac8c2e","schema_version":"1.0","event_id":"sha256:3f2df0b40ee80ab8f7729aed6fdd8d0b541b71c11494615c44a8247aa5ac8c2e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:IYDRTMGMP57XPLEQVZ4EI2LGGZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Konus-Wind observations of the new soft gamma-ray repeater SGR 0501+4516","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.HE","authors_text":"D.D. Frederiks, E.P. Mazets, R.L. Aptekar, S.V. Golenetskii, T.L. Cline, V.D. Pal'shin","submitted_at":"2009-02-19T15:34:52Z","abstract_excerpt":"In 2008 August, the new soft gamma-ray repeater SGR 0501+4516 was discovered by Swift. The source was soon confirmed by several groups in space- and ground-based multi-wavelength observations. In this letter we report the analysis of five short bursts from the recently discovered SGR, detected with Konus-Wind gamma-ray burst spectrometer. Properties of the time histories of the observed events, as well as results of multi-channel spectral analysis, both in the 20--300 keV energy range, show, that the source exhibits itself as a typical SGR. The bursts durations are <0.75 s and their spectra ab"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0902.3391","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":"2026-05-18T04:29:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"H7gj796rM8RH8GkERUt1FdiGMau3LYERq+WRQwwZDPxPUFjfknFhCqZ8+zfYNnLLr41uHcTxhFg+9JUHE6qwCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T00:50:06.055479Z"},"content_sha256":"9bf90ee3b04559ad3ccb1960ce3aa1e69f32d96c868ec7a8b329db92014f475a","schema_version":"1.0","event_id":"sha256:9bf90ee3b04559ad3ccb1960ce3aa1e69f32d96c868ec7a8b329db92014f475a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IYDRTMGMP57XPLEQVZ4EI2LGGZ/bundle.json","state_url":"https://pith.science/pith/IYDRTMGMP57XPLEQVZ4EI2LGGZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IYDRTMGMP57XPLEQVZ4EI2LGGZ/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":"2026-05-30T00:50:06Z","links":{"resolver":"https://pith.science/pith/IYDRTMGMP57XPLEQVZ4EI2LGGZ","bundle":"https://pith.science/pith/IYDRTMGMP57XPLEQVZ4EI2LGGZ/bundle.json","state":"https://pith.science/pith/IYDRTMGMP57XPLEQVZ4EI2LGGZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IYDRTMGMP57XPLEQVZ4EI2LGGZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:IYDRTMGMP57XPLEQVZ4EI2LGGZ","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":"e3b26e0e00f2d328f332a2b9f1df0d493a7a987a3fe9e92e2c893b703b4839f6","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-02-19T15:34:52Z","title_canon_sha256":"c35c0297a53f03405f5557b96ff024e1112eb5f3932bf141e27bffc0c9015507"},"schema_version":"1.0","source":{"id":"0902.3391","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0902.3391","created_at":"2026-05-18T04:29:16Z"},{"alias_kind":"arxiv_version","alias_value":"0902.3391v2","created_at":"2026-05-18T04:29:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0902.3391","created_at":"2026-05-18T04:29:16Z"},{"alias_kind":"pith_short_12","alias_value":"IYDRTMGMP57X","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_16","alias_value":"IYDRTMGMP57XPLEQ","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_8","alias_value":"IYDRTMGM","created_at":"2026-05-18T12:26:00Z"}],"graph_snapshots":[{"event_id":"sha256:9bf90ee3b04559ad3ccb1960ce3aa1e69f32d96c868ec7a8b329db92014f475a","target":"graph","created_at":"2026-05-18T04:29:16Z","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 2008 August, the new soft gamma-ray repeater SGR 0501+4516 was discovered by Swift. The source was soon confirmed by several groups in space- and ground-based multi-wavelength observations. In this letter we report the analysis of five short bursts from the recently discovered SGR, detected with Konus-Wind gamma-ray burst spectrometer. Properties of the time histories of the observed events, as well as results of multi-channel spectral analysis, both in the 20--300 keV energy range, show, that the source exhibits itself as a typical SGR. The bursts durations are <0.75 s and their spectra ab","authors_text":"D.D. Frederiks, E.P. Mazets, R.L. Aptekar, S.V. Golenetskii, T.L. Cline, V.D. Pal'shin","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-02-19T15:34:52Z","title":"Konus-Wind observations of the new soft gamma-ray repeater SGR 0501+4516"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0902.3391","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":"sha256:3f2df0b40ee80ab8f7729aed6fdd8d0b541b71c11494615c44a8247aa5ac8c2e","target":"record","created_at":"2026-05-18T04:29:16Z","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":"e3b26e0e00f2d328f332a2b9f1df0d493a7a987a3fe9e92e2c893b703b4839f6","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-02-19T15:34:52Z","title_canon_sha256":"c35c0297a53f03405f5557b96ff024e1112eb5f3932bf141e27bffc0c9015507"},"schema_version":"1.0","source":{"id":"0902.3391","kind":"arxiv","version":2}},"canonical_sha256":"460719b0cc7f7f77ac90ae784469663668375460ec50087bab770f9a52373ab6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"460719b0cc7f7f77ac90ae784469663668375460ec50087bab770f9a52373ab6","first_computed_at":"2026-05-18T04:29:16.401656Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:29:16.401656Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6cV/8GnTBhBXhUjfQTF+6S49C+Cl02JIhNRcPuB6JslnrGkykrWQomMYskjXPzdULn+bpZYDQSSxIexpoZs0Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:29:16.402119Z","signed_message":"canonical_sha256_bytes"},"source_id":"0902.3391","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3f2df0b40ee80ab8f7729aed6fdd8d0b541b71c11494615c44a8247aa5ac8c2e","sha256:9bf90ee3b04559ad3ccb1960ce3aa1e69f32d96c868ec7a8b329db92014f475a"],"state_sha256":"c2d2251709116865ab5ef3bd7e3d229a631f7e291db339cdfacb843859021a4b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+6j1zhiUe4UF3mVF0LNIpQCHja4OjaiFXcWybAWxI5qqICTVLQFZxR3wNfBNhmYlsN9Nc7aHaWtStFScREOUBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T00:50:06.058206Z","bundle_sha256":"9ad45708f553853dfcf1d49a4a6ce62530b6c78e3902619092d2823029298dcd"}}