{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:UKOGZCI6QRYFUFEF7B5CEVJDED","short_pith_number":"pith:UKOGZCI6","canonical_record":{"source":{"id":"1511.06497","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-11-20T05:58:54Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"bf7539f935d92280e25c53b1b5326e31cf8215fc1af1ea4018f7ad30a31ec853","abstract_canon_sha256":"f01e0692166a645bd991903528d421760f3e637f2202e48f5f08b2f2d827b66e"},"schema_version":"1.0"},"canonical_sha256":"a29c6c891e84705a1485f87a22552320d53bb3184d87db38bb4f041089aa1733","source":{"kind":"arxiv","id":"1511.06497","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.06497","created_at":"2026-05-18T01:22:00Z"},{"alias_kind":"arxiv_version","alias_value":"1511.06497v1","created_at":"2026-05-18T01:22:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.06497","created_at":"2026-05-18T01:22:00Z"},{"alias_kind":"pith_short_12","alias_value":"UKOGZCI6QRYF","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_16","alias_value":"UKOGZCI6QRYFUFEF","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_8","alias_value":"UKOGZCI6","created_at":"2026-05-18T12:29:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:UKOGZCI6QRYFUFEF7B5CEVJDED","target":"record","payload":{"canonical_record":{"source":{"id":"1511.06497","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-11-20T05:58:54Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"bf7539f935d92280e25c53b1b5326e31cf8215fc1af1ea4018f7ad30a31ec853","abstract_canon_sha256":"f01e0692166a645bd991903528d421760f3e637f2202e48f5f08b2f2d827b66e"},"schema_version":"1.0"},"canonical_sha256":"a29c6c891e84705a1485f87a22552320d53bb3184d87db38bb4f041089aa1733","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:22:00.401401Z","signature_b64":"q7lOiOIT6VbD7z6QSY2ScAs/XO/p5DhJlwG4VwYzucQBDs1tTSKeYHbl10JVnRhmiw3BkdGyn7511EsNMZ2+CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a29c6c891e84705a1485f87a22552320d53bb3184d87db38bb4f041089aa1733","last_reissued_at":"2026-05-18T01:22:00.401005Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:22:00.401005Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1511.06497","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":"2026-05-18T01:22:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tyToLP02zlubbHanQU2zvSylczwI1ptDYxRmH48vEa0rcwDTVImMKRh1eFH42x4mMIIecYGMpwUigUZOnaJNBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T19:05:31.194050Z"},"content_sha256":"07ebd69d39951a928e0cbdc5472bc11dfcaa90f9fe6dc68b23e4fd3beecbbbbb","schema_version":"1.0","event_id":"sha256:07ebd69d39951a928e0cbdc5472bc11dfcaa90f9fe6dc68b23e4fd3beecbbbbb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:UKOGZCI6QRYFUFEF7B5CEVJDED","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Photoionization Models of the Inner Gaseous Disk of the Herbig Be Star BD+65 1637","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"J. D. Landstreet, P. Patel, T. A. A. Sigut","submitted_at":"2015-11-20T05:58:54Z","abstract_excerpt":"We attempt to constrain the physical properties of the inner, gaseous disk of the Herbig Be star BD+65 1637 using non-LTE, circumstellar disk codes and observed spectra (3700 to 10,500 \\r{A}) from the ESPaDOnS instrument on CFHT. The photoionizing radiation of the central star is assumed to be the sole source of input energy for the disk. We model optical and near-infrared emission lines that are thought to form in this region using standard techniques that have been successful in modeling the spectra of Classical Be stars. By comparing synthetic line profiles of hydrogen, helium, iron and cal"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.06497","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":""},"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":"2026-05-18T01:22:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D2KGITFfPVtpQADtHIvOpxcn8uSN4kZjeJwFz5rSbT/ghhnu4x2P+AsjfjSqgu5waYJTT38egjHL3T4iqlukBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T19:05:31.194409Z"},"content_sha256":"88844f5a4e1c7f72d3b6d56466d728e0231a8092ef03da0d9a1552577dea40b5","schema_version":"1.0","event_id":"sha256:88844f5a4e1c7f72d3b6d56466d728e0231a8092ef03da0d9a1552577dea40b5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UKOGZCI6QRYFUFEF7B5CEVJDED/bundle.json","state_url":"https://pith.science/pith/UKOGZCI6QRYFUFEF7B5CEVJDED/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UKOGZCI6QRYFUFEF7B5CEVJDED/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":"2026-06-04T19:05:31Z","links":{"resolver":"https://pith.science/pith/UKOGZCI6QRYFUFEF7B5CEVJDED","bundle":"https://pith.science/pith/UKOGZCI6QRYFUFEF7B5CEVJDED/bundle.json","state":"https://pith.science/pith/UKOGZCI6QRYFUFEF7B5CEVJDED/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UKOGZCI6QRYFUFEF7B5CEVJDED/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:UKOGZCI6QRYFUFEF7B5CEVJDED","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":"f01e0692166a645bd991903528d421760f3e637f2202e48f5f08b2f2d827b66e","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-11-20T05:58:54Z","title_canon_sha256":"bf7539f935d92280e25c53b1b5326e31cf8215fc1af1ea4018f7ad30a31ec853"},"schema_version":"1.0","source":{"id":"1511.06497","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.06497","created_at":"2026-05-18T01:22:00Z"},{"alias_kind":"arxiv_version","alias_value":"1511.06497v1","created_at":"2026-05-18T01:22:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.06497","created_at":"2026-05-18T01:22:00Z"},{"alias_kind":"pith_short_12","alias_value":"UKOGZCI6QRYF","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_16","alias_value":"UKOGZCI6QRYFUFEF","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_8","alias_value":"UKOGZCI6","created_at":"2026-05-18T12:29:44Z"}],"graph_snapshots":[{"event_id":"sha256:88844f5a4e1c7f72d3b6d56466d728e0231a8092ef03da0d9a1552577dea40b5","target":"graph","created_at":"2026-05-18T01:22:00Z","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 attempt to constrain the physical properties of the inner, gaseous disk of the Herbig Be star BD+65 1637 using non-LTE, circumstellar disk codes and observed spectra (3700 to 10,500 \\r{A}) from the ESPaDOnS instrument on CFHT. The photoionizing radiation of the central star is assumed to be the sole source of input energy for the disk. We model optical and near-infrared emission lines that are thought to form in this region using standard techniques that have been successful in modeling the spectra of Classical Be stars. By comparing synthetic line profiles of hydrogen, helium, iron and cal","authors_text":"J. D. Landstreet, P. Patel, T. A. A. Sigut","cross_cats":["astro-ph.EP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-11-20T05:58:54Z","title":"Photoionization Models of the Inner Gaseous Disk of the Herbig Be Star BD+65 1637"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.06497","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":"sha256:07ebd69d39951a928e0cbdc5472bc11dfcaa90f9fe6dc68b23e4fd3beecbbbbb","target":"record","created_at":"2026-05-18T01:22:00Z","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":"f01e0692166a645bd991903528d421760f3e637f2202e48f5f08b2f2d827b66e","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-11-20T05:58:54Z","title_canon_sha256":"bf7539f935d92280e25c53b1b5326e31cf8215fc1af1ea4018f7ad30a31ec853"},"schema_version":"1.0","source":{"id":"1511.06497","kind":"arxiv","version":1}},"canonical_sha256":"a29c6c891e84705a1485f87a22552320d53bb3184d87db38bb4f041089aa1733","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a29c6c891e84705a1485f87a22552320d53bb3184d87db38bb4f041089aa1733","first_computed_at":"2026-05-18T01:22:00.401005Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:22:00.401005Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"q7lOiOIT6VbD7z6QSY2ScAs/XO/p5DhJlwG4VwYzucQBDs1tTSKeYHbl10JVnRhmiw3BkdGyn7511EsNMZ2+CA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:22:00.401401Z","signed_message":"canonical_sha256_bytes"},"source_id":"1511.06497","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:07ebd69d39951a928e0cbdc5472bc11dfcaa90f9fe6dc68b23e4fd3beecbbbbb","sha256:88844f5a4e1c7f72d3b6d56466d728e0231a8092ef03da0d9a1552577dea40b5"],"state_sha256":"db1825458a33fdab1e45105f1b02599ece8437fae03317ac0d435726a7e9a2de"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uE22bDhfHCceJg0I7kkJctJU9GX1p6Qsq1PqH7HiCfMVA9m1XXpNU7zhp27/rU/ChhTmLQtWesqH8zs4NdcBDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T19:05:31.196383Z","bundle_sha256":"805fdf1c7a45f2f6ecf9c3cc8e4f0e1a0303ba12e93773f8736ca734b2ff9a69"}}