{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:Q6RKLFOYUQ7CDJ6VNCQBUDK2IW","short_pith_number":"pith:Q6RKLFOY","canonical_record":{"source":{"id":"1105.1046","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-05-05T12:03:19Z","cross_cats_sorted":[],"title_canon_sha256":"327bebc1732862b08c415cd58f48fbb23bdee390c122488aa63f39df46f38d2f","abstract_canon_sha256":"8a1a0a2d388e0ee19abe407a64c6a25ad0ca208ca590ce645071112e182435d0"},"schema_version":"1.0"},"canonical_sha256":"87a2a595d8a43e21a7d568a01a0d5a45adc5c1083af5852bdce29e20925723f9","source":{"kind":"arxiv","id":"1105.1046","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1105.1046","created_at":"2026-05-18T02:02:03Z"},{"alias_kind":"arxiv_version","alias_value":"1105.1046v2","created_at":"2026-05-18T02:02:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.1046","created_at":"2026-05-18T02:02:03Z"},{"alias_kind":"pith_short_12","alias_value":"Q6RKLFOYUQ7C","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_16","alias_value":"Q6RKLFOYUQ7CDJ6V","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_8","alias_value":"Q6RKLFOY","created_at":"2026-05-18T12:26:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:Q6RKLFOYUQ7CDJ6VNCQBUDK2IW","target":"record","payload":{"canonical_record":{"source":{"id":"1105.1046","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-05-05T12:03:19Z","cross_cats_sorted":[],"title_canon_sha256":"327bebc1732862b08c415cd58f48fbb23bdee390c122488aa63f39df46f38d2f","abstract_canon_sha256":"8a1a0a2d388e0ee19abe407a64c6a25ad0ca208ca590ce645071112e182435d0"},"schema_version":"1.0"},"canonical_sha256":"87a2a595d8a43e21a7d568a01a0d5a45adc5c1083af5852bdce29e20925723f9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:02:03.906508Z","signature_b64":"SZC/N6KFsqkxdA5GtRL6fgzg+eg4U501NIObPfhXT1Vds8wmCcD/8dY85SVpmz1exuuHoJScos8U4N3ZdHldCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"87a2a595d8a43e21a7d568a01a0d5a45adc5c1083af5852bdce29e20925723f9","last_reissued_at":"2026-05-18T02:02:03.905648Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:02:03.905648Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1105.1046","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":"2026-05-18T02:02:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PghmVi7t5LGQPkTloQKd1UIlw6vYNHm1Umnp7AxzZM6onQQh28i1yTz8QZqOnINuWHVtXC7vZnFuiUrX+2sXBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T00:08:00.064476Z"},"content_sha256":"a008adad9ed27ddf4b62617b2bee4086c913b15c93fb967814c056c97875e66f","schema_version":"1.0","event_id":"sha256:a008adad9ed27ddf4b62617b2bee4086c913b15c93fb967814c056c97875e66f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:Q6RKLFOYUQ7CDJ6VNCQBUDK2IW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"He star evolutionary channel to intermediate-mass binary pulsar PSR J1802-2124","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Ren-Xin Xu, Wen-Cong Chen, Xiang-Dong Li","submitted_at":"2011-05-05T12:03:19Z","abstract_excerpt":"The intermediate-mass binary pulsars (IMBPs) are characterized by relatively long spin periods (10 - 200 ms) and massive ($\\ga 0.4 M_{\\odot}$) white dwarf (WD) companions. Recently, precise mass measurements have been performed for the pulsar and the WD in the IMBP PSR J1802-2124. Some observed properties, such as the low mass of the pulsar, the high mass of the WD, the moderately long spin period, and the tight orbit, imply that this system has undergone a peculiar formation mechanism. In this work, we attempt to simulate the detailed evolutionary history of PSR J1802-2124. We propose that a "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.1046","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":"2026-05-18T02:02:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yq2kBcroffEG1iMRpeaV3936oAOJeT1LZUpsbAfuPVhTUqSKMz7vJpc6kzWsJ6t5ksqkeRRMbj57ye6QpZRdDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T00:08:00.065020Z"},"content_sha256":"57c3e34406309242c355685a825d560a8d912125d67e40f4060318989f5129eb","schema_version":"1.0","event_id":"sha256:57c3e34406309242c355685a825d560a8d912125d67e40f4060318989f5129eb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Q6RKLFOYUQ7CDJ6VNCQBUDK2IW/bundle.json","state_url":"https://pith.science/pith/Q6RKLFOYUQ7CDJ6VNCQBUDK2IW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Q6RKLFOYUQ7CDJ6VNCQBUDK2IW/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":"2026-06-03T00:08:00Z","links":{"resolver":"https://pith.science/pith/Q6RKLFOYUQ7CDJ6VNCQBUDK2IW","bundle":"https://pith.science/pith/Q6RKLFOYUQ7CDJ6VNCQBUDK2IW/bundle.json","state":"https://pith.science/pith/Q6RKLFOYUQ7CDJ6VNCQBUDK2IW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Q6RKLFOYUQ7CDJ6VNCQBUDK2IW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:Q6RKLFOYUQ7CDJ6VNCQBUDK2IW","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":"8a1a0a2d388e0ee19abe407a64c6a25ad0ca208ca590ce645071112e182435d0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-05-05T12:03:19Z","title_canon_sha256":"327bebc1732862b08c415cd58f48fbb23bdee390c122488aa63f39df46f38d2f"},"schema_version":"1.0","source":{"id":"1105.1046","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1105.1046","created_at":"2026-05-18T02:02:03Z"},{"alias_kind":"arxiv_version","alias_value":"1105.1046v2","created_at":"2026-05-18T02:02:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.1046","created_at":"2026-05-18T02:02:03Z"},{"alias_kind":"pith_short_12","alias_value":"Q6RKLFOYUQ7C","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_16","alias_value":"Q6RKLFOYUQ7CDJ6V","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_8","alias_value":"Q6RKLFOY","created_at":"2026-05-18T12:26:39Z"}],"graph_snapshots":[{"event_id":"sha256:57c3e34406309242c355685a825d560a8d912125d67e40f4060318989f5129eb","target":"graph","created_at":"2026-05-18T02:02:03Z","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":"The intermediate-mass binary pulsars (IMBPs) are characterized by relatively long spin periods (10 - 200 ms) and massive ($\\ga 0.4 M_{\\odot}$) white dwarf (WD) companions. Recently, precise mass measurements have been performed for the pulsar and the WD in the IMBP PSR J1802-2124. Some observed properties, such as the low mass of the pulsar, the high mass of the WD, the moderately long spin period, and the tight orbit, imply that this system has undergone a peculiar formation mechanism. In this work, we attempt to simulate the detailed evolutionary history of PSR J1802-2124. We propose that a ","authors_text":"Ren-Xin Xu, Wen-Cong Chen, Xiang-Dong Li","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-05-05T12:03:19Z","title":"He star evolutionary channel to intermediate-mass binary pulsar PSR J1802-2124"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.1046","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:a008adad9ed27ddf4b62617b2bee4086c913b15c93fb967814c056c97875e66f","target":"record","created_at":"2026-05-18T02:02:03Z","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":"8a1a0a2d388e0ee19abe407a64c6a25ad0ca208ca590ce645071112e182435d0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-05-05T12:03:19Z","title_canon_sha256":"327bebc1732862b08c415cd58f48fbb23bdee390c122488aa63f39df46f38d2f"},"schema_version":"1.0","source":{"id":"1105.1046","kind":"arxiv","version":2}},"canonical_sha256":"87a2a595d8a43e21a7d568a01a0d5a45adc5c1083af5852bdce29e20925723f9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"87a2a595d8a43e21a7d568a01a0d5a45adc5c1083af5852bdce29e20925723f9","first_computed_at":"2026-05-18T02:02:03.905648Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:02:03.905648Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SZC/N6KFsqkxdA5GtRL6fgzg+eg4U501NIObPfhXT1Vds8wmCcD/8dY85SVpmz1exuuHoJScos8U4N3ZdHldCw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:02:03.906508Z","signed_message":"canonical_sha256_bytes"},"source_id":"1105.1046","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a008adad9ed27ddf4b62617b2bee4086c913b15c93fb967814c056c97875e66f","sha256:57c3e34406309242c355685a825d560a8d912125d67e40f4060318989f5129eb"],"state_sha256":"c16e8e7732bc9180eb8aa47e841c539178f4c556ee72105d0440169b783bcda1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nxCwpkkEf8YGmFWlNzG+jnU+x50qkIy/4DimjJiqgqhP+araM3z36cyFyeQr64IhTr5ey8QuBktmhwNoQf1gAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T00:08:00.067611Z","bundle_sha256":"e10edfbe4a6cf9a9d16aa895d9ed5c4923d8b040382468210f7f9ec9448e27d8"}}