{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:7GRIQU2U6H5I6JL33S5OY33SJR","short_pith_number":"pith:7GRIQU2U","canonical_record":{"source":{"id":"1303.1370","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-03-06T16:19:35Z","cross_cats_sorted":[],"title_canon_sha256":"fa3b6ba6ae9860192d09afd4087b2a2c79daf25929910e9460093837c295c5dd","abstract_canon_sha256":"45365cc57f2e1dab113c60cc98cefc15b304944534ebae3ebbbd8190b10ce277"},"schema_version":"1.0"},"canonical_sha256":"f9a2885354f1fa8f257bdcbaec6f724c76e7e6d71f8e0f1763f47fa294e3209a","source":{"kind":"arxiv","id":"1303.1370","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.1370","created_at":"2026-05-18T03:31:43Z"},{"alias_kind":"arxiv_version","alias_value":"1303.1370v1","created_at":"2026-05-18T03:31:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.1370","created_at":"2026-05-18T03:31:43Z"},{"alias_kind":"pith_short_12","alias_value":"7GRIQU2U6H5I","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"7GRIQU2U6H5I6JL3","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"7GRIQU2U","created_at":"2026-05-18T12:27:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:7GRIQU2U6H5I6JL33S5OY33SJR","target":"record","payload":{"canonical_record":{"source":{"id":"1303.1370","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-03-06T16:19:35Z","cross_cats_sorted":[],"title_canon_sha256":"fa3b6ba6ae9860192d09afd4087b2a2c79daf25929910e9460093837c295c5dd","abstract_canon_sha256":"45365cc57f2e1dab113c60cc98cefc15b304944534ebae3ebbbd8190b10ce277"},"schema_version":"1.0"},"canonical_sha256":"f9a2885354f1fa8f257bdcbaec6f724c76e7e6d71f8e0f1763f47fa294e3209a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:31:43.727990Z","signature_b64":"XXJhh0enLIXwjnA0H8iChUlJr2x1B7itml9jdGOIMKkkShxT3NZ36D0ghl6JM+4D2Lw+tEesghZyfd4wHGhNAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f9a2885354f1fa8f257bdcbaec6f724c76e7e6d71f8e0f1763f47fa294e3209a","last_reissued_at":"2026-05-18T03:31:43.726941Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:31:43.726941Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1303.1370","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:31:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Z4oSLuNtPfTB6D24ivnL7IM3AMipVSgxorP7TVFheClTCGShKqhqlmqeUi0ZCi5B0kZGKg77r6z/PoRgyK+WDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T09:46:18.326548Z"},"content_sha256":"3ba6a604705495187eb7e2bc457e2f09124d99bf7439622f2fc8aef72283b1bc","schema_version":"1.0","event_id":"sha256:3ba6a604705495187eb7e2bc457e2f09124d99bf7439622f2fc8aef72283b1bc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:7GRIQU2U6H5I6JL33S5OY33SJR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"New Methods for Timing Analysis of Transient Events, Applied to Fermi/GBM Magnetar Bursts","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Alexander J. van der Horst, Anna L. Watts, Chryssa Kouveliotou, Daniela Huppenkothen, Ersin Gogus, Jonathan Granot, Mark H. Finger, Michiel van der Klis, Phil Uttley, Simon Vaughan","submitted_at":"2013-03-06T16:19:35Z","abstract_excerpt":"In order to discern the physical nature of many gamma-ray sources in the sky, we must look not only in spectral and spatial dimensions, but also understand their temporal variability. However, timing analysis of sources with a highly transient nature, such as magnetar bursts, is difficult: standard Fourier techniques developed for long-term variability generally observed, for example, from AGN often do not apply. Here, we present newly developed timing methods applicable to transient events of all kinds, and show their successful application to magnetar bursts observed with Fermi/GBM. Magnetar"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.1370","kind":"arxiv","version":1},"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":"2026-05-18T03:31:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DP6mLsI0okfpVGKZj5CTtddbXeMjmtpymgQ7UZidCsxPr/UfRoFiH4UQSXfe7vDIIFXuMP7PSTBMtobsQ65UAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T09:46:18.327220Z"},"content_sha256":"fb300b16e5e541cb305a7fff0e38c884e0462174aca0ce4fef734fdb2e01c0c0","schema_version":"1.0","event_id":"sha256:fb300b16e5e541cb305a7fff0e38c884e0462174aca0ce4fef734fdb2e01c0c0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7GRIQU2U6H5I6JL33S5OY33SJR/bundle.json","state_url":"https://pith.science/pith/7GRIQU2U6H5I6JL33S5OY33SJR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7GRIQU2U6H5I6JL33S5OY33SJR/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":"2026-05-26T09:46:18Z","links":{"resolver":"https://pith.science/pith/7GRIQU2U6H5I6JL33S5OY33SJR","bundle":"https://pith.science/pith/7GRIQU2U6H5I6JL33S5OY33SJR/bundle.json","state":"https://pith.science/pith/7GRIQU2U6H5I6JL33S5OY33SJR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7GRIQU2U6H5I6JL33S5OY33SJR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:7GRIQU2U6H5I6JL33S5OY33SJR","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":"45365cc57f2e1dab113c60cc98cefc15b304944534ebae3ebbbd8190b10ce277","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-03-06T16:19:35Z","title_canon_sha256":"fa3b6ba6ae9860192d09afd4087b2a2c79daf25929910e9460093837c295c5dd"},"schema_version":"1.0","source":{"id":"1303.1370","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.1370","created_at":"2026-05-18T03:31:43Z"},{"alias_kind":"arxiv_version","alias_value":"1303.1370v1","created_at":"2026-05-18T03:31:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.1370","created_at":"2026-05-18T03:31:43Z"},{"alias_kind":"pith_short_12","alias_value":"7GRIQU2U6H5I","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"7GRIQU2U6H5I6JL3","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"7GRIQU2U","created_at":"2026-05-18T12:27:36Z"}],"graph_snapshots":[{"event_id":"sha256:fb300b16e5e541cb305a7fff0e38c884e0462174aca0ce4fef734fdb2e01c0c0","target":"graph","created_at":"2026-05-18T03:31:43Z","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 order to discern the physical nature of many gamma-ray sources in the sky, we must look not only in spectral and spatial dimensions, but also understand their temporal variability. However, timing analysis of sources with a highly transient nature, such as magnetar bursts, is difficult: standard Fourier techniques developed for long-term variability generally observed, for example, from AGN often do not apply. Here, we present newly developed timing methods applicable to transient events of all kinds, and show their successful application to magnetar bursts observed with Fermi/GBM. Magnetar","authors_text":"Alexander J. van der Horst, Anna L. Watts, Chryssa Kouveliotou, Daniela Huppenkothen, Ersin Gogus, Jonathan Granot, Mark H. Finger, Michiel van der Klis, Phil Uttley, Simon Vaughan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-03-06T16:19:35Z","title":"New Methods for Timing Analysis of Transient Events, Applied to Fermi/GBM Magnetar Bursts"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.1370","kind":"arxiv","version":1},"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":"sha256:3ba6a604705495187eb7e2bc457e2f09124d99bf7439622f2fc8aef72283b1bc","target":"record","created_at":"2026-05-18T03:31:43Z","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":"45365cc57f2e1dab113c60cc98cefc15b304944534ebae3ebbbd8190b10ce277","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-03-06T16:19:35Z","title_canon_sha256":"fa3b6ba6ae9860192d09afd4087b2a2c79daf25929910e9460093837c295c5dd"},"schema_version":"1.0","source":{"id":"1303.1370","kind":"arxiv","version":1}},"canonical_sha256":"f9a2885354f1fa8f257bdcbaec6f724c76e7e6d71f8e0f1763f47fa294e3209a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f9a2885354f1fa8f257bdcbaec6f724c76e7e6d71f8e0f1763f47fa294e3209a","first_computed_at":"2026-05-18T03:31:43.726941Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:31:43.726941Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XXJhh0enLIXwjnA0H8iChUlJr2x1B7itml9jdGOIMKkkShxT3NZ36D0ghl6JM+4D2Lw+tEesghZyfd4wHGhNAA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:31:43.727990Z","signed_message":"canonical_sha256_bytes"},"source_id":"1303.1370","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3ba6a604705495187eb7e2bc457e2f09124d99bf7439622f2fc8aef72283b1bc","sha256:fb300b16e5e541cb305a7fff0e38c884e0462174aca0ce4fef734fdb2e01c0c0"],"state_sha256":"4aa755aea719a202189dd19512ef1757e2a09a3e1bab8de14baa304618c71c78"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bEBZueBKCv4jfRMTrU1U1q0HDCWNXcC0g6iuDf606rlw1EjJv6+nXNBBYhRcr1HgKAp4YTKF+a+YBmpsfkWFCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T09:46:18.330909Z","bundle_sha256":"e858a71b7f4c622929652d101c5e077920f924dbb1503b46c5eb25ba680b9ba2"}}