{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:TB4LIIARAZT65VIBAR47OW57W5","short_pith_number":"pith:TB4LIIAR","canonical_record":{"source":{"id":"2404.12976","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-04-19T16:05:03Z","cross_cats_sorted":[],"title_canon_sha256":"e59ea18dfa39e98c1eb8c11e745fedf828c61681c0d9bd4e12dd1765523adfcf","abstract_canon_sha256":"62353aa9da870963c1ac6c5d01f38204ade4f4c05c9a534368f55619055f5331"},"schema_version":"1.0"},"canonical_sha256":"9878b420110667eed5010479f75bbfb7723fa36659c11c0442df09d8c909cd4c","source":{"kind":"arxiv","id":"2404.12976","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.12976","created_at":"2026-07-05T08:34:17Z"},{"alias_kind":"arxiv_version","alias_value":"2404.12976v2","created_at":"2026-07-05T08:34:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.12976","created_at":"2026-07-05T08:34:17Z"},{"alias_kind":"pith_short_12","alias_value":"TB4LIIARAZT6","created_at":"2026-07-05T08:34:17Z"},{"alias_kind":"pith_short_16","alias_value":"TB4LIIARAZT65VIB","created_at":"2026-07-05T08:34:17Z"},{"alias_kind":"pith_short_8","alias_value":"TB4LIIAR","created_at":"2026-07-05T08:34:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:TB4LIIARAZT65VIBAR47OW57W5","target":"record","payload":{"canonical_record":{"source":{"id":"2404.12976","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-04-19T16:05:03Z","cross_cats_sorted":[],"title_canon_sha256":"e59ea18dfa39e98c1eb8c11e745fedf828c61681c0d9bd4e12dd1765523adfcf","abstract_canon_sha256":"62353aa9da870963c1ac6c5d01f38204ade4f4c05c9a534368f55619055f5331"},"schema_version":"1.0"},"canonical_sha256":"9878b420110667eed5010479f75bbfb7723fa36659c11c0442df09d8c909cd4c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:34:17.154750Z","signature_b64":"bAw8+amB7HwynEVmL+OX9/otW5RYVznCziNQlqnCXS1BF5QBHnVWkBNaKIDi//ynUJrQFKoomoWfoIA0dtk3BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9878b420110667eed5010479f75bbfb7723fa36659c11c0442df09d8c909cd4c","last_reissued_at":"2026-07-05T08:34:17.154281Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:34:17.154281Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2404.12976","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":"2026-07-05T08:34:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CYOy6P4e+8GRLdWKf/ykC6VFtHjlzi4E1FYXQAZjUgaGztqSYDdcFHr9fFfPG5ifdCgUH13Uox6UQYMgYEJxBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T07:01:08.446082Z"},"content_sha256":"5857fee5b39e17b1c7f4ae96d5ba856858e0c7630ece08b4cf1d9a4c244405f2","schema_version":"1.0","event_id":"sha256:5857fee5b39e17b1c7f4ae96d5ba856858e0c7630ece08b4cf1d9a4c244405f2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:TB4LIIARAZT65VIBAR47OW57W5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Insights from the Gaussian Processes Method for the FRB-associated X-ray Burst of SGR 1935+2154","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Ce Cai, Chengkui Li, Dahai Yan, Haiyun Zhang, Lian Tao, Mingyu Ge, Qianqing Yin, QingChang Zhao, Ruijing Tang, Xiaobo Li","submitted_at":"2024-04-19T16:05:03Z","abstract_excerpt":"Gaussian processes method is employed to analyze the light curves of bursts detected by Insight-HXMT, NICER, and GECAM from SGR 1935+2154 between 2020 to 2022. It is found that a stochastically driven damped simple harmonic oscillator (SHO) is necessary to capture the characteristics of the X-ray bursts. Variability timescale of the X-ray bursts, corresponding to the broken frequencies in the SHO power spectral densities (PSDs), are extracted. In particular, a high broken frequency of 35 Hz where the index of the SHO PSD changes from -4 to -2 is constrained by the HXMT-HE burst associated with"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.12976","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2404.12976/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T08:34:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"u5M90NjKQDYM9IpJ2yPVweQEPkGF4UwENJk4+DSpwppVrT8vh5iAX6Y6X49H6B9gRa0uyQzzULkVlVXiBd2oBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T07:01:08.446586Z"},"content_sha256":"96801ae53dc129fd01c3b353901c90bd700f1438b30d4f5358c1e700e96a08aa","schema_version":"1.0","event_id":"sha256:96801ae53dc129fd01c3b353901c90bd700f1438b30d4f5358c1e700e96a08aa"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TB4LIIARAZT65VIBAR47OW57W5/bundle.json","state_url":"https://pith.science/pith/TB4LIIARAZT65VIBAR47OW57W5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TB4LIIARAZT65VIBAR47OW57W5/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":"2026-08-01T07:01:08Z","links":{"resolver":"https://pith.science/pith/TB4LIIARAZT65VIBAR47OW57W5","bundle":"https://pith.science/pith/TB4LIIARAZT65VIBAR47OW57W5/bundle.json","state":"https://pith.science/pith/TB4LIIARAZT65VIBAR47OW57W5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TB4LIIARAZT65VIBAR47OW57W5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:TB4LIIARAZT65VIBAR47OW57W5","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":"62353aa9da870963c1ac6c5d01f38204ade4f4c05c9a534368f55619055f5331","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-04-19T16:05:03Z","title_canon_sha256":"e59ea18dfa39e98c1eb8c11e745fedf828c61681c0d9bd4e12dd1765523adfcf"},"schema_version":"1.0","source":{"id":"2404.12976","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.12976","created_at":"2026-07-05T08:34:17Z"},{"alias_kind":"arxiv_version","alias_value":"2404.12976v2","created_at":"2026-07-05T08:34:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.12976","created_at":"2026-07-05T08:34:17Z"},{"alias_kind":"pith_short_12","alias_value":"TB4LIIARAZT6","created_at":"2026-07-05T08:34:17Z"},{"alias_kind":"pith_short_16","alias_value":"TB4LIIARAZT65VIB","created_at":"2026-07-05T08:34:17Z"},{"alias_kind":"pith_short_8","alias_value":"TB4LIIAR","created_at":"2026-07-05T08:34:17Z"}],"graph_snapshots":[{"event_id":"sha256:96801ae53dc129fd01c3b353901c90bd700f1438b30d4f5358c1e700e96a08aa","target":"graph","created_at":"2026-07-05T08:34:17Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2404.12976/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Gaussian processes method is employed to analyze the light curves of bursts detected by Insight-HXMT, NICER, and GECAM from SGR 1935+2154 between 2020 to 2022. It is found that a stochastically driven damped simple harmonic oscillator (SHO) is necessary to capture the characteristics of the X-ray bursts. Variability timescale of the X-ray bursts, corresponding to the broken frequencies in the SHO power spectral densities (PSDs), are extracted. In particular, a high broken frequency of 35 Hz where the index of the SHO PSD changes from -4 to -2 is constrained by the HXMT-HE burst associated with","authors_text":"Ce Cai, Chengkui Li, Dahai Yan, Haiyun Zhang, Lian Tao, Mingyu Ge, Qianqing Yin, QingChang Zhao, Ruijing Tang, Xiaobo Li","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-04-19T16:05:03Z","title":"Insights from the Gaussian Processes Method for the FRB-associated X-ray Burst of SGR 1935+2154"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.12976","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":"sha256:5857fee5b39e17b1c7f4ae96d5ba856858e0c7630ece08b4cf1d9a4c244405f2","target":"record","created_at":"2026-07-05T08:34:17Z","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":"62353aa9da870963c1ac6c5d01f38204ade4f4c05c9a534368f55619055f5331","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-04-19T16:05:03Z","title_canon_sha256":"e59ea18dfa39e98c1eb8c11e745fedf828c61681c0d9bd4e12dd1765523adfcf"},"schema_version":"1.0","source":{"id":"2404.12976","kind":"arxiv","version":2}},"canonical_sha256":"9878b420110667eed5010479f75bbfb7723fa36659c11c0442df09d8c909cd4c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9878b420110667eed5010479f75bbfb7723fa36659c11c0442df09d8c909cd4c","first_computed_at":"2026-07-05T08:34:17.154281Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:34:17.154281Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bAw8+amB7HwynEVmL+OX9/otW5RYVznCziNQlqnCXS1BF5QBHnVWkBNaKIDi//ynUJrQFKoomoWfoIA0dtk3BQ==","signature_status":"signed_v1","signed_at":"2026-07-05T08:34:17.154750Z","signed_message":"canonical_sha256_bytes"},"source_id":"2404.12976","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5857fee5b39e17b1c7f4ae96d5ba856858e0c7630ece08b4cf1d9a4c244405f2","sha256:96801ae53dc129fd01c3b353901c90bd700f1438b30d4f5358c1e700e96a08aa"],"state_sha256":"7aa5aa9e3daafbdeeadcafa99ec516096180d33913b8359b54051d7e93c8dbb4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tQEyhNBfjetZCicnqJZx3LAuQC5hSRQE4fN/re7CCkO3OYPJrNQBJv9YrIlFTxnI8j5dOqr/LcBRMbQui065BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-01T07:01:08.452273Z","bundle_sha256":"b878c5aaaf48a7ec5c8363ec24bf2963e720aabd3b93d1040dcf80c6fff3baa8"}}