{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:DTQCZFJ55LAEPB2MQKEG7DG5RJ","short_pith_number":"pith:DTQCZFJ5","canonical_record":{"source":{"id":"2301.06819","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2023-01-17T11:43:01Z","cross_cats_sorted":["astro-ph.EP","astro-ph.GA"],"title_canon_sha256":"67fe9e51dc3ed6e4dca3af9b1886cffaba2c811d642ec2984fbba783920da765","abstract_canon_sha256":"ccea19a745454abd9711a6eee597b1f3d93169201d4bb13866331728cf04107f"},"schema_version":"1.0"},"canonical_sha256":"1ce02c953deac047874c82886f8cdd8a43e836af063e5bc71b192706252d5863","source":{"kind":"arxiv","id":"2301.06819","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2301.06819","created_at":"2026-07-05T05:46:35Z"},{"alias_kind":"arxiv_version","alias_value":"2301.06819v1","created_at":"2026-07-05T05:46:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2301.06819","created_at":"2026-07-05T05:46:35Z"},{"alias_kind":"pith_short_12","alias_value":"DTQCZFJ55LAE","created_at":"2026-07-05T05:46:35Z"},{"alias_kind":"pith_short_16","alias_value":"DTQCZFJ55LAEPB2M","created_at":"2026-07-05T05:46:35Z"},{"alias_kind":"pith_short_8","alias_value":"DTQCZFJ5","created_at":"2026-07-05T05:46:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:DTQCZFJ55LAEPB2MQKEG7DG5RJ","target":"record","payload":{"canonical_record":{"source":{"id":"2301.06819","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2023-01-17T11:43:01Z","cross_cats_sorted":["astro-ph.EP","astro-ph.GA"],"title_canon_sha256":"67fe9e51dc3ed6e4dca3af9b1886cffaba2c811d642ec2984fbba783920da765","abstract_canon_sha256":"ccea19a745454abd9711a6eee597b1f3d93169201d4bb13866331728cf04107f"},"schema_version":"1.0"},"canonical_sha256":"1ce02c953deac047874c82886f8cdd8a43e836af063e5bc71b192706252d5863","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:46:35.514659Z","signature_b64":"S034Er4zOlrrquKqTj/1tGt/m5NbLPKY+DTBoVLIm40AxJhCBoe/HhFL1ToDbfiJqoe8J7J2zd3paEYsjMH6Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1ce02c953deac047874c82886f8cdd8a43e836af063e5bc71b192706252d5863","last_reissued_at":"2026-07-05T05:46:35.514133Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:46:35.514133Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2301.06819","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":"2026-07-05T05:46:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TaWEWM1i12NceSl+ejRKFUo4qB+zigadZyCAzAfGjn2eQB0VU3B3s169YpWsuESQLWmGDR3ZIhkWBHjLcEyWDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-31T18:16:50.264717Z"},"content_sha256":"576501d7136abcfecc4d6f47d867ce75d0d5ec21c0755b3409bf17d677089292","schema_version":"1.0","event_id":"sha256:576501d7136abcfecc4d6f47d867ce75d0d5ec21c0755b3409bf17d677089292"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:DTQCZFJ55LAEPB2MQKEG7DG5RJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Massive pre-main-sequence stars in M17 -- Modelling hydrogen and dust in MYSO disks","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["astro-ph.EP","astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"A. de Koter, A. R. Derkink, Ch. Rab, Frank Backs, I. Kamp, J. Poorta, L. Kaper, M. C. Ram\\'irez-Tannus","submitted_at":"2023-01-17T11:43:01Z","abstract_excerpt":"The young massive-star-forming region M17 contains optically visible massive pre-main-sequence stars that are surrounded by circumstellar disks. Such disks are expected to disappear when these stars reach the main sequence. The physical and dynamical structure of these remnant disks are poorly constrained, especially the inner regions where accretion, photo-evaporation, and companion formation and migration may be ongoing. We aim to constrain the physical properties of the inner parts of the circumstellar disks of massive young stellar objects B243 (6 Msun) and B331 (12 Msun), two systems for "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2301.06819","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2301.06819/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T05:46:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"juWm66YpZAVyzx1J6bw0t7fR2/uenAlr2hnDxpbNynTA9CmrxU+Fw3fP3nF2Crco6AmYQVAGuv94HuaIVjOeBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-31T18:16:50.265043Z"},"content_sha256":"f3d2b030e428bb6f33e6301b9218ae8b769a94432b9d21ad00601b8c5fbb3776","schema_version":"1.0","event_id":"sha256:f3d2b030e428bb6f33e6301b9218ae8b769a94432b9d21ad00601b8c5fbb3776"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DTQCZFJ55LAEPB2MQKEG7DG5RJ/bundle.json","state_url":"https://pith.science/pith/DTQCZFJ55LAEPB2MQKEG7DG5RJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DTQCZFJ55LAEPB2MQKEG7DG5RJ/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":"2026-07-31T18:16:50Z","links":{"resolver":"https://pith.science/pith/DTQCZFJ55LAEPB2MQKEG7DG5RJ","bundle":"https://pith.science/pith/DTQCZFJ55LAEPB2MQKEG7DG5RJ/bundle.json","state":"https://pith.science/pith/DTQCZFJ55LAEPB2MQKEG7DG5RJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DTQCZFJ55LAEPB2MQKEG7DG5RJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:DTQCZFJ55LAEPB2MQKEG7DG5RJ","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":"ccea19a745454abd9711a6eee597b1f3d93169201d4bb13866331728cf04107f","cross_cats_sorted":["astro-ph.EP","astro-ph.GA"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2023-01-17T11:43:01Z","title_canon_sha256":"67fe9e51dc3ed6e4dca3af9b1886cffaba2c811d642ec2984fbba783920da765"},"schema_version":"1.0","source":{"id":"2301.06819","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2301.06819","created_at":"2026-07-05T05:46:35Z"},{"alias_kind":"arxiv_version","alias_value":"2301.06819v1","created_at":"2026-07-05T05:46:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2301.06819","created_at":"2026-07-05T05:46:35Z"},{"alias_kind":"pith_short_12","alias_value":"DTQCZFJ55LAE","created_at":"2026-07-05T05:46:35Z"},{"alias_kind":"pith_short_16","alias_value":"DTQCZFJ55LAEPB2M","created_at":"2026-07-05T05:46:35Z"},{"alias_kind":"pith_short_8","alias_value":"DTQCZFJ5","created_at":"2026-07-05T05:46:35Z"}],"graph_snapshots":[{"event_id":"sha256:f3d2b030e428bb6f33e6301b9218ae8b769a94432b9d21ad00601b8c5fbb3776","target":"graph","created_at":"2026-07-05T05:46:35Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2301.06819/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The young massive-star-forming region M17 contains optically visible massive pre-main-sequence stars that are surrounded by circumstellar disks. Such disks are expected to disappear when these stars reach the main sequence. The physical and dynamical structure of these remnant disks are poorly constrained, especially the inner regions where accretion, photo-evaporation, and companion formation and migration may be ongoing. We aim to constrain the physical properties of the inner parts of the circumstellar disks of massive young stellar objects B243 (6 Msun) and B331 (12 Msun), two systems for ","authors_text":"A. de Koter, A. R. Derkink, Ch. Rab, Frank Backs, I. Kamp, J. Poorta, L. Kaper, M. C. Ram\\'irez-Tannus","cross_cats":["astro-ph.EP","astro-ph.GA"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2023-01-17T11:43:01Z","title":"Massive pre-main-sequence stars in M17 -- Modelling hydrogen and dust in MYSO disks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2301.06819","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":"sha256:576501d7136abcfecc4d6f47d867ce75d0d5ec21c0755b3409bf17d677089292","target":"record","created_at":"2026-07-05T05:46:35Z","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":"ccea19a745454abd9711a6eee597b1f3d93169201d4bb13866331728cf04107f","cross_cats_sorted":["astro-ph.EP","astro-ph.GA"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2023-01-17T11:43:01Z","title_canon_sha256":"67fe9e51dc3ed6e4dca3af9b1886cffaba2c811d642ec2984fbba783920da765"},"schema_version":"1.0","source":{"id":"2301.06819","kind":"arxiv","version":1}},"canonical_sha256":"1ce02c953deac047874c82886f8cdd8a43e836af063e5bc71b192706252d5863","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1ce02c953deac047874c82886f8cdd8a43e836af063e5bc71b192706252d5863","first_computed_at":"2026-07-05T05:46:35.514133Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:46:35.514133Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"S034Er4zOlrrquKqTj/1tGt/m5NbLPKY+DTBoVLIm40AxJhCBoe/HhFL1ToDbfiJqoe8J7J2zd3paEYsjMH6Cg==","signature_status":"signed_v1","signed_at":"2026-07-05T05:46:35.514659Z","signed_message":"canonical_sha256_bytes"},"source_id":"2301.06819","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:576501d7136abcfecc4d6f47d867ce75d0d5ec21c0755b3409bf17d677089292","sha256:f3d2b030e428bb6f33e6301b9218ae8b769a94432b9d21ad00601b8c5fbb3776"],"state_sha256":"9e52f426ac25e36878afb175c5dbe28318a1b7e4e354c4225976083fae308d23"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J7/mDe0yckE0vJDM/6trLf8LqGNaqIpPkCEQzRjWGwxN2vqrahVqLMl99+f1vyGZ9obQyrj7yx7+8vQdkQlfBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-31T18:16:50.268347Z","bundle_sha256":"dc589613accb6c4955ce9b91e8f5be17d95d0f85b2eda1c5f1129edaa3e57edb"}}