{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:2M5ZJEXOIE6YIEY34E6XSBS2QE","short_pith_number":"pith:2M5ZJEXO","canonical_record":{"source":{"id":"2103.16757","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-03-31T01:35:53Z","cross_cats_sorted":[],"title_canon_sha256":"799fa750ef9b80aa33639d190bc05b7b412422c8f50d896ff99b8649d1fee0c1","abstract_canon_sha256":"6721d50f6173fb2f7c60af4a1eabb613ddb554e822254d66f56715940954301b"},"schema_version":"1.0"},"canonical_sha256":"d33b9492ee413d84131be13d79065a812cecf2fe69a046b08b768f459d25df0d","source":{"kind":"arxiv","id":"2103.16757","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2103.16757","created_at":"2026-07-05T02:31:56Z"},{"alias_kind":"arxiv_version","alias_value":"2103.16757v1","created_at":"2026-07-05T02:31:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2103.16757","created_at":"2026-07-05T02:31:56Z"},{"alias_kind":"pith_short_12","alias_value":"2M5ZJEXOIE6Y","created_at":"2026-07-05T02:31:56Z"},{"alias_kind":"pith_short_16","alias_value":"2M5ZJEXOIE6YIEY3","created_at":"2026-07-05T02:31:56Z"},{"alias_kind":"pith_short_8","alias_value":"2M5ZJEXO","created_at":"2026-07-05T02:31:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:2M5ZJEXOIE6YIEY34E6XSBS2QE","target":"record","payload":{"canonical_record":{"source":{"id":"2103.16757","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-03-31T01:35:53Z","cross_cats_sorted":[],"title_canon_sha256":"799fa750ef9b80aa33639d190bc05b7b412422c8f50d896ff99b8649d1fee0c1","abstract_canon_sha256":"6721d50f6173fb2f7c60af4a1eabb613ddb554e822254d66f56715940954301b"},"schema_version":"1.0"},"canonical_sha256":"d33b9492ee413d84131be13d79065a812cecf2fe69a046b08b768f459d25df0d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:31:56.375586Z","signature_b64":"aDA0clOen7dD3HbueSsu+6SJEu3FiNkNe8zKs0LBA0THfKciSg8yh1OPsqICbT1DyE8tpAhIOwHZ8jNiEifmBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d33b9492ee413d84131be13d79065a812cecf2fe69a046b08b768f459d25df0d","last_reissued_at":"2026-07-05T02:31:56.375176Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:31:56.375176Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2103.16757","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":"2026-07-05T02:31:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"87qFvcLKPBXifdgfF551AF23PvLOa8nVohmVOq1PzXxqf/zPjm1TesxnHdaGkNehV/vr1o4xx+TE5fROZ68SAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T16:15:25.841376Z"},"content_sha256":"5eddf73599d928bf6a88f823082de4bf777ad183446f15c9020ef284213c3768","schema_version":"1.0","event_id":"sha256:5eddf73599d928bf6a88f823082de4bf777ad183446f15c9020ef284213c3768"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:2M5ZJEXOIE6YIEY34E6XSBS2QE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Disk vs wind accretion in X-ray pulsar GX 301-2","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Andrea Santangelo, Jiren Liu, Long Ji, Mauro Orlandini, Mingyu Ge, Peter A. Jenke, ShuangNan Zhang, Shu Zhang, Victor Doroshenko, Xiaobo Li, Zhenxuan Liao","submitted_at":"2021-03-31T01:35:53Z","abstract_excerpt":"GX 301-2 provides a rare opportunity to study both disk and wind accretion in a same target. We report Insight-HXMT observations of the spin-up event of GX 301-2 happened in 2019 and compare with those of wind-fed state. The pulse profiles of the initial rapid spin-up period are dominated by one main peak, while those of the later slow spin-up period are composed of two similar peaks, as those of wind-fed state. These behaviors are confirmed by Fermi/GBM data, which also show that during the rapid spin-up period, the main peak increases with luminosity up to $8\\times10^{37}$ erg s$^{-1}$, but "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2103.16757","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2103.16757/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":"2026-07-05T02:31:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EvHwbva0Fb6lMty9nr1W2jn/eRv7DfkczdIqrt058E+2YT5if/gmk5zAtC21U05ITeFILXCdxa+LaY3NAe+qDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T16:15:25.841910Z"},"content_sha256":"e7b07b34d0fdedaa980d60c47abbc5a3ad9819ef294cb0fa9dc630367397f191","schema_version":"1.0","event_id":"sha256:e7b07b34d0fdedaa980d60c47abbc5a3ad9819ef294cb0fa9dc630367397f191"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2M5ZJEXOIE6YIEY34E6XSBS2QE/bundle.json","state_url":"https://pith.science/pith/2M5ZJEXOIE6YIEY34E6XSBS2QE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2M5ZJEXOIE6YIEY34E6XSBS2QE/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":"2026-08-13T16:15:25Z","links":{"resolver":"https://pith.science/pith/2M5ZJEXOIE6YIEY34E6XSBS2QE","bundle":"https://pith.science/pith/2M5ZJEXOIE6YIEY34E6XSBS2QE/bundle.json","state":"https://pith.science/pith/2M5ZJEXOIE6YIEY34E6XSBS2QE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2M5ZJEXOIE6YIEY34E6XSBS2QE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:2M5ZJEXOIE6YIEY34E6XSBS2QE","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":"6721d50f6173fb2f7c60af4a1eabb613ddb554e822254d66f56715940954301b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-03-31T01:35:53Z","title_canon_sha256":"799fa750ef9b80aa33639d190bc05b7b412422c8f50d896ff99b8649d1fee0c1"},"schema_version":"1.0","source":{"id":"2103.16757","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2103.16757","created_at":"2026-07-05T02:31:56Z"},{"alias_kind":"arxiv_version","alias_value":"2103.16757v1","created_at":"2026-07-05T02:31:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2103.16757","created_at":"2026-07-05T02:31:56Z"},{"alias_kind":"pith_short_12","alias_value":"2M5ZJEXOIE6Y","created_at":"2026-07-05T02:31:56Z"},{"alias_kind":"pith_short_16","alias_value":"2M5ZJEXOIE6YIEY3","created_at":"2026-07-05T02:31:56Z"},{"alias_kind":"pith_short_8","alias_value":"2M5ZJEXO","created_at":"2026-07-05T02:31:56Z"}],"graph_snapshots":[{"event_id":"sha256:e7b07b34d0fdedaa980d60c47abbc5a3ad9819ef294cb0fa9dc630367397f191","target":"graph","created_at":"2026-07-05T02:31:56Z","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/2103.16757/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"GX 301-2 provides a rare opportunity to study both disk and wind accretion in a same target. We report Insight-HXMT observations of the spin-up event of GX 301-2 happened in 2019 and compare with those of wind-fed state. The pulse profiles of the initial rapid spin-up period are dominated by one main peak, while those of the later slow spin-up period are composed of two similar peaks, as those of wind-fed state. These behaviors are confirmed by Fermi/GBM data, which also show that during the rapid spin-up period, the main peak increases with luminosity up to $8\\times10^{37}$ erg s$^{-1}$, but ","authors_text":"Andrea Santangelo, Jiren Liu, Long Ji, Mauro Orlandini, Mingyu Ge, Peter A. Jenke, ShuangNan Zhang, Shu Zhang, Victor Doroshenko, Xiaobo Li, Zhenxuan Liao","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-03-31T01:35:53Z","title":"Disk vs wind accretion in X-ray pulsar GX 301-2"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2103.16757","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":"sha256:5eddf73599d928bf6a88f823082de4bf777ad183446f15c9020ef284213c3768","target":"record","created_at":"2026-07-05T02:31:56Z","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":"6721d50f6173fb2f7c60af4a1eabb613ddb554e822254d66f56715940954301b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-03-31T01:35:53Z","title_canon_sha256":"799fa750ef9b80aa33639d190bc05b7b412422c8f50d896ff99b8649d1fee0c1"},"schema_version":"1.0","source":{"id":"2103.16757","kind":"arxiv","version":1}},"canonical_sha256":"d33b9492ee413d84131be13d79065a812cecf2fe69a046b08b768f459d25df0d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d33b9492ee413d84131be13d79065a812cecf2fe69a046b08b768f459d25df0d","first_computed_at":"2026-07-05T02:31:56.375176Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:31:56.375176Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aDA0clOen7dD3HbueSsu+6SJEu3FiNkNe8zKs0LBA0THfKciSg8yh1OPsqICbT1DyE8tpAhIOwHZ8jNiEifmBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T02:31:56.375586Z","signed_message":"canonical_sha256_bytes"},"source_id":"2103.16757","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5eddf73599d928bf6a88f823082de4bf777ad183446f15c9020ef284213c3768","sha256:e7b07b34d0fdedaa980d60c47abbc5a3ad9819ef294cb0fa9dc630367397f191"],"state_sha256":"158aca57fb699a1fd1e0d0120688aba95bdba03598d4caa8cc72a035f96ef2d0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wRreR8PiyrsSwZmotYLpG8JsC4Tr4c+ZOzBI0ytNg3hKIbkHNrPQwUHK/mMVksT4NAO3D6s47KfXCSs+uIxnBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T16:15:25.880168Z","bundle_sha256":"872deb74a2b7d58c667afab528dbcb4537768e4be62e6273940bff460c527c5d"}}