{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:OIWUPLF2FIQDXZI6TQS5XBGSTN","short_pith_number":"pith:OIWUPLF2","canonical_record":{"source":{"id":"1101.5719","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-01-29T20:20:05Z","cross_cats_sorted":[],"title_canon_sha256":"dca7215bb465883d8143bc54af01c9c8eefcfd919841760b62bc543ff96138a1","abstract_canon_sha256":"aa77f6465e6f91595e72f29376422408b610e46d1cfe777eefadafb100044f9a"},"schema_version":"1.0"},"canonical_sha256":"722d47acba2a203be51e9c25db84d29b6043f4875568890df84ed877b96f2380","source":{"kind":"arxiv","id":"1101.5719","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1101.5719","created_at":"2026-05-18T02:03:20Z"},{"alias_kind":"arxiv_version","alias_value":"1101.5719v1","created_at":"2026-05-18T02:03:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1101.5719","created_at":"2026-05-18T02:03:20Z"},{"alias_kind":"pith_short_12","alias_value":"OIWUPLF2FIQD","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_16","alias_value":"OIWUPLF2FIQDXZI6","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_8","alias_value":"OIWUPLF2","created_at":"2026-05-18T12:26:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:OIWUPLF2FIQDXZI6TQS5XBGSTN","target":"record","payload":{"canonical_record":{"source":{"id":"1101.5719","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-01-29T20:20:05Z","cross_cats_sorted":[],"title_canon_sha256":"dca7215bb465883d8143bc54af01c9c8eefcfd919841760b62bc543ff96138a1","abstract_canon_sha256":"aa77f6465e6f91595e72f29376422408b610e46d1cfe777eefadafb100044f9a"},"schema_version":"1.0"},"canonical_sha256":"722d47acba2a203be51e9c25db84d29b6043f4875568890df84ed877b96f2380","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:03:20.503533Z","signature_b64":"KJJw9OgOxccah0IXtIqEOZqjovU7KS3LE/nN+n0hy1pGmgzxI/eLjH7EvgTxTqRI8+jqmcN8fieKTn0KEvlqDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"722d47acba2a203be51e9c25db84d29b6043f4875568890df84ed877b96f2380","last_reissued_at":"2026-05-18T02:03:20.502803Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:03:20.502803Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1101.5719","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":"2026-05-18T02:03:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"csplzcNfzwqT7adDs4u709ehLog9nOFkq56Xl2e1O14thrhlP/ESmM0XkTAGz+xFpWfbPc9JVvCs32bSh/PAAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-21T23:37:18.013991Z"},"content_sha256":"64dbc1d07487c4e7e4cc4c27434bcfa457bf215c79d08b7522bb69c094104c2c","schema_version":"1.0","event_id":"sha256:64dbc1d07487c4e7e4cc4c27434bcfa457bf215c79d08b7522bb69c094104c2c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:OIWUPLF2FIQDXZI6TQS5XBGSTN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The complex circumstellar environment of HD142527","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. de Koter, A.G.G.M. Tielens, A.P. Verhoeff, C. Dominik, E. Pantin, G.D. Mulders, H. Fujiwara, J. Bouwman, L.B.F.M. Waters, M. Honda, M. Min, R. van Boekel, S.M. Dougherty","submitted_at":"2011-01-29T20:20:05Z","abstract_excerpt":"The recent findings of gas giant planets around young A-type stars suggest that disks surrounding Herbig Ae/Be stars will develop planetary systems. An interesting case is HD142527, for which previous observations revealed a complex circumstellar environment and an unusually high ratio of infrared to stellar luminosity. Its properties differ considerably from other Herbig Ae/Be stars. This suggests that the disk surrounding HD142527 is in an uncommon evolutionary stage. We aim for a better understanding of the geometry and evolutionary status of the circumstellar material around the Herbig Ae/"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.5719","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":"2026-05-18T02:03:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Lp/xaIeRPlEM+18gZ0iSh1Agi2ZUTsfiLMD6U1uW/taSvrwFuSQrDPiOw+qQqRTHq80yMN9mxqYUvRH/QXkIBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-21T23:37:18.014367Z"},"content_sha256":"3ee9dde79141ac99450e06a32292cb2bad9948e949670e0744aac1ad2d9a8d8d","schema_version":"1.0","event_id":"sha256:3ee9dde79141ac99450e06a32292cb2bad9948e949670e0744aac1ad2d9a8d8d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OIWUPLF2FIQDXZI6TQS5XBGSTN/bundle.json","state_url":"https://pith.science/pith/OIWUPLF2FIQDXZI6TQS5XBGSTN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OIWUPLF2FIQDXZI6TQS5XBGSTN/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":"2026-06-21T23:37:18Z","links":{"resolver":"https://pith.science/pith/OIWUPLF2FIQDXZI6TQS5XBGSTN","bundle":"https://pith.science/pith/OIWUPLF2FIQDXZI6TQS5XBGSTN/bundle.json","state":"https://pith.science/pith/OIWUPLF2FIQDXZI6TQS5XBGSTN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OIWUPLF2FIQDXZI6TQS5XBGSTN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:OIWUPLF2FIQDXZI6TQS5XBGSTN","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":"aa77f6465e6f91595e72f29376422408b610e46d1cfe777eefadafb100044f9a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-01-29T20:20:05Z","title_canon_sha256":"dca7215bb465883d8143bc54af01c9c8eefcfd919841760b62bc543ff96138a1"},"schema_version":"1.0","source":{"id":"1101.5719","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1101.5719","created_at":"2026-05-18T02:03:20Z"},{"alias_kind":"arxiv_version","alias_value":"1101.5719v1","created_at":"2026-05-18T02:03:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1101.5719","created_at":"2026-05-18T02:03:20Z"},{"alias_kind":"pith_short_12","alias_value":"OIWUPLF2FIQD","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_16","alias_value":"OIWUPLF2FIQDXZI6","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_8","alias_value":"OIWUPLF2","created_at":"2026-05-18T12:26:37Z"}],"graph_snapshots":[{"event_id":"sha256:3ee9dde79141ac99450e06a32292cb2bad9948e949670e0744aac1ad2d9a8d8d","target":"graph","created_at":"2026-05-18T02:03:20Z","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 recent findings of gas giant planets around young A-type stars suggest that disks surrounding Herbig Ae/Be stars will develop planetary systems. An interesting case is HD142527, for which previous observations revealed a complex circumstellar environment and an unusually high ratio of infrared to stellar luminosity. Its properties differ considerably from other Herbig Ae/Be stars. This suggests that the disk surrounding HD142527 is in an uncommon evolutionary stage. We aim for a better understanding of the geometry and evolutionary status of the circumstellar material around the Herbig Ae/","authors_text":"A. de Koter, A.G.G.M. Tielens, A.P. Verhoeff, C. Dominik, E. Pantin, G.D. Mulders, H. Fujiwara, J. Bouwman, L.B.F.M. Waters, M. Honda, M. Min, R. van Boekel, S.M. Dougherty","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-01-29T20:20:05Z","title":"The complex circumstellar environment of HD142527"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.5719","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":"sha256:64dbc1d07487c4e7e4cc4c27434bcfa457bf215c79d08b7522bb69c094104c2c","target":"record","created_at":"2026-05-18T02:03:20Z","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":"aa77f6465e6f91595e72f29376422408b610e46d1cfe777eefadafb100044f9a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-01-29T20:20:05Z","title_canon_sha256":"dca7215bb465883d8143bc54af01c9c8eefcfd919841760b62bc543ff96138a1"},"schema_version":"1.0","source":{"id":"1101.5719","kind":"arxiv","version":1}},"canonical_sha256":"722d47acba2a203be51e9c25db84d29b6043f4875568890df84ed877b96f2380","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"722d47acba2a203be51e9c25db84d29b6043f4875568890df84ed877b96f2380","first_computed_at":"2026-05-18T02:03:20.502803Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:03:20.502803Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KJJw9OgOxccah0IXtIqEOZqjovU7KS3LE/nN+n0hy1pGmgzxI/eLjH7EvgTxTqRI8+jqmcN8fieKTn0KEvlqDg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:03:20.503533Z","signed_message":"canonical_sha256_bytes"},"source_id":"1101.5719","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:64dbc1d07487c4e7e4cc4c27434bcfa457bf215c79d08b7522bb69c094104c2c","sha256:3ee9dde79141ac99450e06a32292cb2bad9948e949670e0744aac1ad2d9a8d8d"],"state_sha256":"e4cbebb111a8aff9d2533d6f35588c6f88e17778443b2b706b17321476318ba2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U8SN8FkwmcudgBQl7Iv9BHmHCXVmPsn0piQJTcliWiZag+xTDkhe41sYbS+jOYdarsS0W91uplgVd5RDUfl8Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-21T23:37:18.016446Z","bundle_sha256":"a636e7e6894b9b29ff7c5c850fa3cb4e26c6062276cbbdcd036d057feab3b8ae"}}