{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:KMQLGYXGW5KTMTGIYM7KTWPEDL","short_pith_number":"pith:KMQLGYXG","canonical_record":{"source":{"id":"1509.06956","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-09-23T13:08:22Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"d14a645acf8efb6d2c61bc14c11a75064aa9fd61001df4d3eecb64e916fe8e9e","abstract_canon_sha256":"97c9cfa49547c62f1d1f3dcc5b52885d58e3400e57e394a3d039f24570176203"},"schema_version":"1.0"},"canonical_sha256":"5320b362e6b755364cc8c33ea9d9e41ae5f009199aacb7a5c0910f127ab5828f","source":{"kind":"arxiv","id":"1509.06956","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.06956","created_at":"2026-05-18T01:24:32Z"},{"alias_kind":"arxiv_version","alias_value":"1509.06956v2","created_at":"2026-05-18T01:24:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.06956","created_at":"2026-05-18T01:24:32Z"},{"alias_kind":"pith_short_12","alias_value":"KMQLGYXGW5KT","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_16","alias_value":"KMQLGYXGW5KTMTGI","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_8","alias_value":"KMQLGYXG","created_at":"2026-05-18T12:29:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:KMQLGYXGW5KTMTGIYM7KTWPEDL","target":"record","payload":{"canonical_record":{"source":{"id":"1509.06956","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-09-23T13:08:22Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"d14a645acf8efb6d2c61bc14c11a75064aa9fd61001df4d3eecb64e916fe8e9e","abstract_canon_sha256":"97c9cfa49547c62f1d1f3dcc5b52885d58e3400e57e394a3d039f24570176203"},"schema_version":"1.0"},"canonical_sha256":"5320b362e6b755364cc8c33ea9d9e41ae5f009199aacb7a5c0910f127ab5828f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:24:32.692973Z","signature_b64":"pTKxZixsCBrAZrNN9GiXYRI+VIKXKT/gXOvHKGdqZVb6nCwlrdkdrYs+Fq2r0E+DHOkmVR5mq8PukVQrHE5oDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5320b362e6b755364cc8c33ea9d9e41ae5f009199aacb7a5c0910f127ab5828f","last_reissued_at":"2026-05-18T01:24:32.692391Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:24:32.692391Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1509.06956","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":"2026-05-18T01:24:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QaT2xWicZrJKoAVXmbOU5Uzrf0bYcT+788sKFz7Ajmjt9ZyCEfPS1P347uQv7y1Qw+UZLGEJb2zgJ5U3QkqLBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T16:35:30.781104Z"},"content_sha256":"a5d65c2687899a38e07861e7f7c017066ba5063a94840534cc7082c8d8001083","schema_version":"1.0","event_id":"sha256:a5d65c2687899a38e07861e7f7c017066ba5063a94840534cc7082c8d8001083"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:KMQLGYXGW5KTMTGIYM7KTWPEDL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The $\\gamma$-ray pulsar J0633+0632 in X-rays","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.HE","authors_text":"Andrey Danilenko, Anna Karpova, Dima Zyuzin, Peter Shternin, Yuriy Shibanov","submitted_at":"2015-09-23T13:08:22Z","abstract_excerpt":"We analysed Chandra observations of the bright Fermi pulsar J0633+0632 and found evidence of an absorption feature in its spectrum at $804^{+42}_{-26}$ eV (the errors here and below are at 90% confidence) with equivalent width of $63^{+47}_{-36}$ eV. In addition, we analysed in detail the X-ray spectral continuum taking into account correlations between the interstellar absorption and the distance to the source. We confirm early findings by Ray et al. (2011) that the spectrum contains non-thermal and thermal components. The latter is equally well described by the blackbody and magnetised atmos"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.06956","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":"2026-05-18T01:24:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WuaBgSwq8AhEsoR9qB5QXaeIXUY5wY9fqFaAdxXznWsVTTAToqt6+AXImceBSQZUrZa35dA8+fg1rp6pMuj+Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T16:35:30.781511Z"},"content_sha256":"40fbf2d2731883fae9c8cff5fbb8875a27487a9003b48be7be16f7e54251a6df","schema_version":"1.0","event_id":"sha256:40fbf2d2731883fae9c8cff5fbb8875a27487a9003b48be7be16f7e54251a6df"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KMQLGYXGW5KTMTGIYM7KTWPEDL/bundle.json","state_url":"https://pith.science/pith/KMQLGYXGW5KTMTGIYM7KTWPEDL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KMQLGYXGW5KTMTGIYM7KTWPEDL/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":"2026-06-06T16:35:30Z","links":{"resolver":"https://pith.science/pith/KMQLGYXGW5KTMTGIYM7KTWPEDL","bundle":"https://pith.science/pith/KMQLGYXGW5KTMTGIYM7KTWPEDL/bundle.json","state":"https://pith.science/pith/KMQLGYXGW5KTMTGIYM7KTWPEDL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KMQLGYXGW5KTMTGIYM7KTWPEDL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:KMQLGYXGW5KTMTGIYM7KTWPEDL","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":"97c9cfa49547c62f1d1f3dcc5b52885d58e3400e57e394a3d039f24570176203","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-09-23T13:08:22Z","title_canon_sha256":"d14a645acf8efb6d2c61bc14c11a75064aa9fd61001df4d3eecb64e916fe8e9e"},"schema_version":"1.0","source":{"id":"1509.06956","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.06956","created_at":"2026-05-18T01:24:32Z"},{"alias_kind":"arxiv_version","alias_value":"1509.06956v2","created_at":"2026-05-18T01:24:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.06956","created_at":"2026-05-18T01:24:32Z"},{"alias_kind":"pith_short_12","alias_value":"KMQLGYXGW5KT","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_16","alias_value":"KMQLGYXGW5KTMTGI","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_8","alias_value":"KMQLGYXG","created_at":"2026-05-18T12:29:29Z"}],"graph_snapshots":[{"event_id":"sha256:40fbf2d2731883fae9c8cff5fbb8875a27487a9003b48be7be16f7e54251a6df","target":"graph","created_at":"2026-05-18T01:24:32Z","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":"We analysed Chandra observations of the bright Fermi pulsar J0633+0632 and found evidence of an absorption feature in its spectrum at $804^{+42}_{-26}$ eV (the errors here and below are at 90% confidence) with equivalent width of $63^{+47}_{-36}$ eV. In addition, we analysed in detail the X-ray spectral continuum taking into account correlations between the interstellar absorption and the distance to the source. We confirm early findings by Ray et al. (2011) that the spectrum contains non-thermal and thermal components. The latter is equally well described by the blackbody and magnetised atmos","authors_text":"Andrey Danilenko, Anna Karpova, Dima Zyuzin, Peter Shternin, Yuriy Shibanov","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-09-23T13:08:22Z","title":"The $\\gamma$-ray pulsar J0633+0632 in X-rays"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.06956","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:a5d65c2687899a38e07861e7f7c017066ba5063a94840534cc7082c8d8001083","target":"record","created_at":"2026-05-18T01:24:32Z","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":"97c9cfa49547c62f1d1f3dcc5b52885d58e3400e57e394a3d039f24570176203","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-09-23T13:08:22Z","title_canon_sha256":"d14a645acf8efb6d2c61bc14c11a75064aa9fd61001df4d3eecb64e916fe8e9e"},"schema_version":"1.0","source":{"id":"1509.06956","kind":"arxiv","version":2}},"canonical_sha256":"5320b362e6b755364cc8c33ea9d9e41ae5f009199aacb7a5c0910f127ab5828f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5320b362e6b755364cc8c33ea9d9e41ae5f009199aacb7a5c0910f127ab5828f","first_computed_at":"2026-05-18T01:24:32.692391Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:24:32.692391Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pTKxZixsCBrAZrNN9GiXYRI+VIKXKT/gXOvHKGdqZVb6nCwlrdkdrYs+Fq2r0E+DHOkmVR5mq8PukVQrHE5oDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:24:32.692973Z","signed_message":"canonical_sha256_bytes"},"source_id":"1509.06956","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a5d65c2687899a38e07861e7f7c017066ba5063a94840534cc7082c8d8001083","sha256:40fbf2d2731883fae9c8cff5fbb8875a27487a9003b48be7be16f7e54251a6df"],"state_sha256":"acb47a53bda5a5a784548da3946185c170dd8da84d2016487a9c8056cbf05405"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XS5eLMZC59gwHODTPbUfiWu13X9RBiXTlOUpRSkRSFKF64pgmJThT3nZiZU+7QCyzQUHcCRKYEMD4fSrn+0bCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T16:35:30.785220Z","bundle_sha256":"08101629d1d14bba544a45420505f634f4dc5349a73143787a5954d12010b433"}}