{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:HVRI7DVEWTD343T3CPSHMBG5GH","short_pith_number":"pith:HVRI7DVE","canonical_record":{"source":{"id":"2605.05429","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-05-06T20:37:59Z","cross_cats_sorted":[],"title_canon_sha256":"d99d573fa0f84b7a91efb791bf007eb4fe182378785bc15fe219c4cbf9126f41","abstract_canon_sha256":"077ec7aba3afe079f7f6812716bd4b5aa4d47fb166b0b0b83478601a59ef37dc"},"schema_version":"1.0"},"canonical_sha256":"3d628f8ea4b4c7be6e7b13e47604dd31fba87d7b03388e468c7186f753a5be0a","source":{"kind":"arxiv","id":"2605.05429","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.05429","created_at":"2026-05-20T00:05:46Z"},{"alias_kind":"arxiv_version","alias_value":"2605.05429v2","created_at":"2026-05-20T00:05:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.05429","created_at":"2026-05-20T00:05:46Z"},{"alias_kind":"pith_short_12","alias_value":"HVRI7DVEWTD3","created_at":"2026-05-20T00:05:46Z"},{"alias_kind":"pith_short_16","alias_value":"HVRI7DVEWTD343T3","created_at":"2026-05-20T00:05:46Z"},{"alias_kind":"pith_short_8","alias_value":"HVRI7DVE","created_at":"2026-05-20T00:05:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:HVRI7DVEWTD343T3CPSHMBG5GH","target":"record","payload":{"canonical_record":{"source":{"id":"2605.05429","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-05-06T20:37:59Z","cross_cats_sorted":[],"title_canon_sha256":"d99d573fa0f84b7a91efb791bf007eb4fe182378785bc15fe219c4cbf9126f41","abstract_canon_sha256":"077ec7aba3afe079f7f6812716bd4b5aa4d47fb166b0b0b83478601a59ef37dc"},"schema_version":"1.0"},"canonical_sha256":"3d628f8ea4b4c7be6e7b13e47604dd31fba87d7b03388e468c7186f753a5be0a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-20T00:05:46.120681Z","signature_b64":"4Fx48e7MV31H8QHtqHFVVz3X24ulmaUrPS+TiP1402k5kQypZ9zr/gPRGu9M/Al/mJ8RUaD6kWQn4o2NPdgNAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3d628f8ea4b4c7be6e7b13e47604dd31fba87d7b03388e468c7186f753a5be0a","last_reissued_at":"2026-05-20T00:05:46.119423Z","signature_status":"signed_v1","first_computed_at":"2026-05-20T00:05:46.119423Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.05429","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":"2026-05-20T00:05:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qzicTpTbGPXul2CFo5j1pwyHXC9dztFt42FL3ZSQ+S0OPsvCX9VJyLzeKs9nce2342FOxSRcq9IYXJk9SR7sDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T04:32:24.359759Z"},"content_sha256":"27b2eb0abd64c7f5f0d5ffb2ab85d21a374923a181950fbbda9f594ba2eb6bee","schema_version":"1.0","event_id":"sha256:27b2eb0abd64c7f5f0d5ffb2ab85d21a374923a181950fbbda9f594ba2eb6bee"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:HVRI7DVEWTD343T3CPSHMBG5GH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Multiwavelength Analysis of PSR J0437-4715 with Pulse Profile Modeling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"Multi-wavelength analysis constrains the mass of PSR J0437-4715 to 1.38 solar masses and its radius to 13.25 km.","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Ang Li, Fangjun Lu, Hua Feng, Juan Zhang, Liqiang Qi, Mingyu Ge, Shijie Zheng, Shuang-Nan Zhang, Weiwei Xu","submitted_at":"2026-05-06T20:37:59Z","abstract_excerpt":"We present a multi-wavelength analysis of the nearby millisecond pulsar PSR J0437--4715, combining Hubble Space Telescope (HST) far-ultraviolet, ROSAT soft X-ray, and XMM-Newton X-ray data, to model its broadband emission and energy-resolved pulse profiles, and infer key stellar parameters via Bayesian inference. The broadband emission includes cold thermal, hot thermal, and non-thermal components: cold bulk surface emission is modeled with a non-magnetized partially-ionized hydrogen atmosphere; hot-spot emission adopts the pulse profile modeling technique with a non-magnetized fully-ionized h"},"claims":{"count":4,"items":[{"kind":"strongest_claim","text":"the joint multi-instrument analysis yields a statistically viable and radio-consistent solution with a gravitational mass of 1.38±0.03 M⊙ and an equatorial circumferential radius of 13.25−0.35+0.34 km (68% confidence intervals). The hot-spot geometry consists of two spherical caps with uniform temperature distributions.","source":"verdict.strongest_claim","status":"machine_extracted","claim_id":"C1","attestation":"unclaimed"},{"kind":"weakest_assumption","text":"The assumption that non-magnetized partially-ionized and fully-ionized hydrogen atmosphere models accurately describe the cold and hot thermal emission, combined with the informative prior on hot-spot geometry from radio polarization data.","source":"verdict.weakest_assumption","status":"machine_extracted","claim_id":"C2","attestation":"unclaimed"},{"kind":"one_line_summary","text":"Joint multi-wavelength analysis of PSR J0437-4715 yields neutron star mass 1.38 solar masses and equatorial radius 13.25 km with two uniform-temperature hot spots at colatitudes of approximately 130 and 9 degrees.","source":"verdict.one_line_summary","status":"machine_extracted","claim_id":"C3","attestation":"unclaimed"},{"kind":"headline","text":"Multi-wavelength analysis constrains the mass of PSR J0437-4715 to 1.38 solar masses and its radius to 13.25 km.","source":"verdict.pith_extraction.headline","status":"machine_extracted","claim_id":"C4","attestation":"unclaimed"}],"snapshot_sha256":"1ab87f2e748065b88a66c93816005df0c6591e5a2f39342a288f2e9f138780a7"},"source":{"id":"2605.05429","kind":"arxiv","version":2},"verdict":{"id":"964f8043-75b2-407e-934e-b552c4e05999","model_set":{"reader":"grok-4.3"},"created_at":"2026-05-08T15:33:08.751356Z","strongest_claim":"the joint multi-instrument analysis yields a statistically viable and radio-consistent solution with a gravitational mass of 1.38±0.03 M⊙ and an equatorial circumferential radius of 13.25−0.35+0.34 km (68% confidence intervals). The hot-spot geometry consists of two spherical caps with uniform temperature distributions.","one_line_summary":"Joint multi-wavelength analysis of PSR J0437-4715 yields neutron star mass 1.38 solar masses and equatorial radius 13.25 km with two uniform-temperature hot spots at colatitudes of approximately 130 and 9 degrees.","pipeline_version":"pith-pipeline@v0.9.0","weakest_assumption":"The assumption that non-magnetized partially-ionized and fully-ionized hydrogen atmosphere models accurately describe the cold and hot thermal emission, combined with the informative prior on hot-spot geometry from radio polarization data.","pith_extraction_headline":"Multi-wavelength analysis constrains the mass of PSR J0437-4715 to 1.38 solar masses and its radius to 13.25 km."},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2605.05429/integrity.json","findings":[],"available":true,"detectors_run":[{"name":"doi_title_agreement","ran_at":"2026-05-19T20:31:19.734916Z","status":"completed","version":"1.0.0","findings_count":0},{"name":"doi_compliance","ran_at":"2026-05-19T13:35:21.387594Z","status":"completed","version":"1.0.0","findings_count":0}],"snapshot_sha256":"36e7e4f11259468e41a81fa8e1ccb25dc225a6e1cd2181a5539f11c70e615576"},"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":"964f8043-75b2-407e-934e-b552c4e05999"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-20T00:05:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Cj/AQ1i1OccGCC0hsvDJrKB+lVe3CZPubaYWIBtKSOCCfTDyvSpnexBT+DNU459C36N/1lNum/KUukzqFymrBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T04:32:24.360805Z"},"content_sha256":"b8eb591a27377afc5b37f63f3bcab7349c0de2d207b80ac45628183172533394","schema_version":"1.0","event_id":"sha256:b8eb591a27377afc5b37f63f3bcab7349c0de2d207b80ac45628183172533394"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HVRI7DVEWTD343T3CPSHMBG5GH/bundle.json","state_url":"https://pith.science/pith/HVRI7DVEWTD343T3CPSHMBG5GH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HVRI7DVEWTD343T3CPSHMBG5GH/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":"2026-05-22T04:32:24Z","links":{"resolver":"https://pith.science/pith/HVRI7DVEWTD343T3CPSHMBG5GH","bundle":"https://pith.science/pith/HVRI7DVEWTD343T3CPSHMBG5GH/bundle.json","state":"https://pith.science/pith/HVRI7DVEWTD343T3CPSHMBG5GH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HVRI7DVEWTD343T3CPSHMBG5GH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:HVRI7DVEWTD343T3CPSHMBG5GH","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":"077ec7aba3afe079f7f6812716bd4b5aa4d47fb166b0b0b83478601a59ef37dc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-05-06T20:37:59Z","title_canon_sha256":"d99d573fa0f84b7a91efb791bf007eb4fe182378785bc15fe219c4cbf9126f41"},"schema_version":"1.0","source":{"id":"2605.05429","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.05429","created_at":"2026-05-20T00:05:46Z"},{"alias_kind":"arxiv_version","alias_value":"2605.05429v2","created_at":"2026-05-20T00:05:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.05429","created_at":"2026-05-20T00:05:46Z"},{"alias_kind":"pith_short_12","alias_value":"HVRI7DVEWTD3","created_at":"2026-05-20T00:05:46Z"},{"alias_kind":"pith_short_16","alias_value":"HVRI7DVEWTD343T3","created_at":"2026-05-20T00:05:46Z"},{"alias_kind":"pith_short_8","alias_value":"HVRI7DVE","created_at":"2026-05-20T00:05:46Z"}],"graph_snapshots":[{"event_id":"sha256:b8eb591a27377afc5b37f63f3bcab7349c0de2d207b80ac45628183172533394","target":"graph","created_at":"2026-05-20T00:05:46Z","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":4,"items":[{"attestation":"unclaimed","claim_id":"C1","kind":"strongest_claim","source":"verdict.strongest_claim","status":"machine_extracted","text":"the joint multi-instrument analysis yields a statistically viable and radio-consistent solution with a gravitational mass of 1.38±0.03 M⊙ and an equatorial circumferential radius of 13.25−0.35+0.34 km (68% confidence intervals). The hot-spot geometry consists of two spherical caps with uniform temperature distributions."},{"attestation":"unclaimed","claim_id":"C2","kind":"weakest_assumption","source":"verdict.weakest_assumption","status":"machine_extracted","text":"The assumption that non-magnetized partially-ionized and fully-ionized hydrogen atmosphere models accurately describe the cold and hot thermal emission, combined with the informative prior on hot-spot geometry from radio polarization data."},{"attestation":"unclaimed","claim_id":"C3","kind":"one_line_summary","source":"verdict.one_line_summary","status":"machine_extracted","text":"Joint multi-wavelength analysis of PSR J0437-4715 yields neutron star mass 1.38 solar masses and equatorial radius 13.25 km with two uniform-temperature hot spots at colatitudes of approximately 130 and 9 degrees."},{"attestation":"unclaimed","claim_id":"C4","kind":"headline","source":"verdict.pith_extraction.headline","status":"machine_extracted","text":"Multi-wavelength analysis constrains the mass of PSR J0437-4715 to 1.38 solar masses and its radius to 13.25 km."}],"snapshot_sha256":"1ab87f2e748065b88a66c93816005df0c6591e5a2f39342a288f2e9f138780a7"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[{"findings_count":0,"name":"doi_title_agreement","ran_at":"2026-05-19T20:31:19.734916Z","status":"completed","version":"1.0.0"},{"findings_count":0,"name":"doi_compliance","ran_at":"2026-05-19T13:35:21.387594Z","status":"completed","version":"1.0.0"}],"endpoint":"/pith/2605.05429/integrity.json","findings":[],"snapshot_sha256":"36e7e4f11259468e41a81fa8e1ccb25dc225a6e1cd2181a5539f11c70e615576","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a multi-wavelength analysis of the nearby millisecond pulsar PSR J0437--4715, combining Hubble Space Telescope (HST) far-ultraviolet, ROSAT soft X-ray, and XMM-Newton X-ray data, to model its broadband emission and energy-resolved pulse profiles, and infer key stellar parameters via Bayesian inference. The broadband emission includes cold thermal, hot thermal, and non-thermal components: cold bulk surface emission is modeled with a non-magnetized partially-ionized hydrogen atmosphere; hot-spot emission adopts the pulse profile modeling technique with a non-magnetized fully-ionized h","authors_text":"Ang Li, Fangjun Lu, Hua Feng, Juan Zhang, Liqiang Qi, Mingyu Ge, Shijie Zheng, Shuang-Nan Zhang, Weiwei Xu","cross_cats":[],"headline":"Multi-wavelength analysis constrains the mass of PSR J0437-4715 to 1.38 solar masses and its radius to 13.25 km.","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-05-06T20:37:59Z","title":"Multiwavelength Analysis of PSR J0437-4715 with Pulse Profile Modeling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.05429","kind":"arxiv","version":2},"verdict":{"created_at":"2026-05-08T15:33:08.751356Z","id":"964f8043-75b2-407e-934e-b552c4e05999","model_set":{"reader":"grok-4.3"},"one_line_summary":"Joint multi-wavelength analysis of PSR J0437-4715 yields neutron star mass 1.38 solar masses and equatorial radius 13.25 km with two uniform-temperature hot spots at colatitudes of approximately 130 and 9 degrees.","pipeline_version":"pith-pipeline@v0.9.0","pith_extraction_headline":"Multi-wavelength analysis constrains the mass of PSR J0437-4715 to 1.38 solar masses and its radius to 13.25 km.","strongest_claim":"the joint multi-instrument analysis yields a statistically viable and radio-consistent solution with a gravitational mass of 1.38±0.03 M⊙ and an equatorial circumferential radius of 13.25−0.35+0.34 km (68% confidence intervals). The hot-spot geometry consists of two spherical caps with uniform temperature distributions.","weakest_assumption":"The assumption that non-magnetized partially-ionized and fully-ionized hydrogen atmosphere models accurately describe the cold and hot thermal emission, combined with the informative prior on hot-spot geometry from radio polarization data."}},"verdict_id":"964f8043-75b2-407e-934e-b552c4e05999"}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:27b2eb0abd64c7f5f0d5ffb2ab85d21a374923a181950fbbda9f594ba2eb6bee","target":"record","created_at":"2026-05-20T00:05:46Z","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":"077ec7aba3afe079f7f6812716bd4b5aa4d47fb166b0b0b83478601a59ef37dc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-05-06T20:37:59Z","title_canon_sha256":"d99d573fa0f84b7a91efb791bf007eb4fe182378785bc15fe219c4cbf9126f41"},"schema_version":"1.0","source":{"id":"2605.05429","kind":"arxiv","version":2}},"canonical_sha256":"3d628f8ea4b4c7be6e7b13e47604dd31fba87d7b03388e468c7186f753a5be0a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3d628f8ea4b4c7be6e7b13e47604dd31fba87d7b03388e468c7186f753a5be0a","first_computed_at":"2026-05-20T00:05:46.119423Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-20T00:05:46.119423Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4Fx48e7MV31H8QHtqHFVVz3X24ulmaUrPS+TiP1402k5kQypZ9zr/gPRGu9M/Al/mJ8RUaD6kWQn4o2NPdgNAw==","signature_status":"signed_v1","signed_at":"2026-05-20T00:05:46.120681Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.05429","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:27b2eb0abd64c7f5f0d5ffb2ab85d21a374923a181950fbbda9f594ba2eb6bee","sha256:b8eb591a27377afc5b37f63f3bcab7349c0de2d207b80ac45628183172533394"],"state_sha256":"18ae4fdfadce49a8de9c8ac017cb917fdc2b7271a7cdf31d0920dcc3ff42b952"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pBRgox65Hhz4gUwLcJq7cHzmzN5gL81T1Yxkz8M6Xh86my8hnheCi5IWCGboDyPrN4vHvR4XJK8PfLEEhiG8Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-22T04:32:24.365263Z","bundle_sha256":"0dba85f4cf0314462b5f6294930de4efc43455c2f700306116893fe4366f5e4c"}}