{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:VBX3HZRDKQNFUX7YGXSTJ4GLE2","short_pith_number":"pith:VBX3HZRD","canonical_record":{"source":{"id":"2103.02666","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-03-03T20:27:47Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"5b28dec4dc2741b6401255f56dc5478afb0815648e6d652aee97b99f95273626","abstract_canon_sha256":"8c5548d0f32ac37a857020dc95b2e1a164b0290d304ee6c6755a41167f2c16f8"},"schema_version":"1.0"},"canonical_sha256":"a86fb3e623541a5a5ff835e534f0cb26bce68aa790d39cb399a16e9311447879","source":{"kind":"arxiv","id":"2103.02666","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2103.02666","created_at":"2026-07-05T02:37:37Z"},{"alias_kind":"arxiv_version","alias_value":"2103.02666v1","created_at":"2026-07-05T02:37:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2103.02666","created_at":"2026-07-05T02:37:37Z"},{"alias_kind":"pith_short_12","alias_value":"VBX3HZRDKQNF","created_at":"2026-07-05T02:37:37Z"},{"alias_kind":"pith_short_16","alias_value":"VBX3HZRDKQNFUX7Y","created_at":"2026-07-05T02:37:37Z"},{"alias_kind":"pith_short_8","alias_value":"VBX3HZRD","created_at":"2026-07-05T02:37:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:VBX3HZRDKQNFUX7YGXSTJ4GLE2","target":"record","payload":{"canonical_record":{"source":{"id":"2103.02666","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-03-03T20:27:47Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"5b28dec4dc2741b6401255f56dc5478afb0815648e6d652aee97b99f95273626","abstract_canon_sha256":"8c5548d0f32ac37a857020dc95b2e1a164b0290d304ee6c6755a41167f2c16f8"},"schema_version":"1.0"},"canonical_sha256":"a86fb3e623541a5a5ff835e534f0cb26bce68aa790d39cb399a16e9311447879","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:37:37.940352Z","signature_b64":"wOiFG+0NfalG14UDS8NdNgCWJ1yjtnip+gQkRgf2RhIb/k5aCpDy4+wPvjXMWWXEFYRgHQrlbmgFISNOFAz+DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a86fb3e623541a5a5ff835e534f0cb26bce68aa790d39cb399a16e9311447879","last_reissued_at":"2026-07-05T02:37:37.939964Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:37:37.939964Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2103.02666","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":"2026-07-05T02:37:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lFX6dUxh06sAajTi7BHbg70oZEKS0VKPkubGoAsKf0TphRvmTjuH4wxFT1I+0LO4Tisehv/2a9uQxeuz8TsBDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-17T12:09:26.855474Z"},"content_sha256":"f589500c97bf247e539311cdb45817a3ba6bc8c89505109fc4443ff10c0e8de7","schema_version":"1.0","event_id":"sha256:f589500c97bf247e539311cdb45817a3ba6bc8c89505109fc4443ff10c0e8de7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:VBX3HZRDKQNFUX7YGXSTJ4GLE2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Anatomy of an Unusual Edge-on Protoplanetary Disk. II. Gas temperature and a warm outer region","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"Christian Flores, Christophe Pinte, Deborah Padgett, Francois Menard, Gaspard Duchene, Gerrit van der Plas, Jonathan P. Williams, Karl Stapelfeldt, Marion Villenave, Marshall D. Perrin, Michael S. Connelley, Schuyler Wolff","submitted_at":"2021-03-03T20:27:47Z","abstract_excerpt":"We present high-resolution $^{12}$CO and $^{13}$CO 2-1 ALMA observations, as well as optical and near-infrared spectroscopy, of the highly-inclined protoplanetary disk around SSTC2D J163131.2-242627. The spectral type we derive for the source is consistent with a $\\rm 1.2 \\, M_{\\odot}$ star inferred from the ALMA observations. Despite its massive circumstellar disk, we find little to no evidence for ongoing accretion on the star. The CO maps reveal a disk that is unusually compact along the vertical direction, consistent with its appearance in scattered light images. The gas disk extends about"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2103.02666","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/2103.02666/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":"2026-07-05T02:37:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"c1OyqXgexxN48XiEb2L0LDnqvcHQDmkRQCdrFlhjBECrcTcq7Y1+xuMAd7yFpd5YuSMBHZrALM5UHyrOUJrBCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-17T12:09:26.855845Z"},"content_sha256":"df40398ac0bc556689e74cf6601a19ad13dff51406fb1dc71e7bc11d650b7701","schema_version":"1.0","event_id":"sha256:df40398ac0bc556689e74cf6601a19ad13dff51406fb1dc71e7bc11d650b7701"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VBX3HZRDKQNFUX7YGXSTJ4GLE2/bundle.json","state_url":"https://pith.science/pith/VBX3HZRDKQNFUX7YGXSTJ4GLE2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VBX3HZRDKQNFUX7YGXSTJ4GLE2/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":"2026-07-17T12:09:26Z","links":{"resolver":"https://pith.science/pith/VBX3HZRDKQNFUX7YGXSTJ4GLE2","bundle":"https://pith.science/pith/VBX3HZRDKQNFUX7YGXSTJ4GLE2/bundle.json","state":"https://pith.science/pith/VBX3HZRDKQNFUX7YGXSTJ4GLE2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VBX3HZRDKQNFUX7YGXSTJ4GLE2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:VBX3HZRDKQNFUX7YGXSTJ4GLE2","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":"8c5548d0f32ac37a857020dc95b2e1a164b0290d304ee6c6755a41167f2c16f8","cross_cats_sorted":["astro-ph.EP"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-03-03T20:27:47Z","title_canon_sha256":"5b28dec4dc2741b6401255f56dc5478afb0815648e6d652aee97b99f95273626"},"schema_version":"1.0","source":{"id":"2103.02666","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2103.02666","created_at":"2026-07-05T02:37:37Z"},{"alias_kind":"arxiv_version","alias_value":"2103.02666v1","created_at":"2026-07-05T02:37:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2103.02666","created_at":"2026-07-05T02:37:37Z"},{"alias_kind":"pith_short_12","alias_value":"VBX3HZRDKQNF","created_at":"2026-07-05T02:37:37Z"},{"alias_kind":"pith_short_16","alias_value":"VBX3HZRDKQNFUX7Y","created_at":"2026-07-05T02:37:37Z"},{"alias_kind":"pith_short_8","alias_value":"VBX3HZRD","created_at":"2026-07-05T02:37:37Z"}],"graph_snapshots":[{"event_id":"sha256:df40398ac0bc556689e74cf6601a19ad13dff51406fb1dc71e7bc11d650b7701","target":"graph","created_at":"2026-07-05T02:37:37Z","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/2103.02666/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present high-resolution $^{12}$CO and $^{13}$CO 2-1 ALMA observations, as well as optical and near-infrared spectroscopy, of the highly-inclined protoplanetary disk around SSTC2D J163131.2-242627. The spectral type we derive for the source is consistent with a $\\rm 1.2 \\, M_{\\odot}$ star inferred from the ALMA observations. Despite its massive circumstellar disk, we find little to no evidence for ongoing accretion on the star. The CO maps reveal a disk that is unusually compact along the vertical direction, consistent with its appearance in scattered light images. The gas disk extends about","authors_text":"Christian Flores, Christophe Pinte, Deborah Padgett, Francois Menard, Gaspard Duchene, Gerrit van der Plas, Jonathan P. Williams, Karl Stapelfeldt, Marion Villenave, Marshall D. Perrin, Michael S. Connelley, Schuyler Wolff","cross_cats":["astro-ph.EP"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-03-03T20:27:47Z","title":"The Anatomy of an Unusual Edge-on Protoplanetary Disk. II. Gas temperature and a warm outer region"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2103.02666","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:f589500c97bf247e539311cdb45817a3ba6bc8c89505109fc4443ff10c0e8de7","target":"record","created_at":"2026-07-05T02:37:37Z","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":"8c5548d0f32ac37a857020dc95b2e1a164b0290d304ee6c6755a41167f2c16f8","cross_cats_sorted":["astro-ph.EP"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-03-03T20:27:47Z","title_canon_sha256":"5b28dec4dc2741b6401255f56dc5478afb0815648e6d652aee97b99f95273626"},"schema_version":"1.0","source":{"id":"2103.02666","kind":"arxiv","version":1}},"canonical_sha256":"a86fb3e623541a5a5ff835e534f0cb26bce68aa790d39cb399a16e9311447879","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a86fb3e623541a5a5ff835e534f0cb26bce68aa790d39cb399a16e9311447879","first_computed_at":"2026-07-05T02:37:37.939964Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:37:37.939964Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wOiFG+0NfalG14UDS8NdNgCWJ1yjtnip+gQkRgf2RhIb/k5aCpDy4+wPvjXMWWXEFYRgHQrlbmgFISNOFAz+DA==","signature_status":"signed_v1","signed_at":"2026-07-05T02:37:37.940352Z","signed_message":"canonical_sha256_bytes"},"source_id":"2103.02666","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f589500c97bf247e539311cdb45817a3ba6bc8c89505109fc4443ff10c0e8de7","sha256:df40398ac0bc556689e74cf6601a19ad13dff51406fb1dc71e7bc11d650b7701"],"state_sha256":"0b2db8d8e05273427509a42d2de719a3f8ea822eed7313b6ef1aff1fc3aa4f11"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x9Z5wi8eBdR5j1P6rgFZMcYxE0YaXBB1B96kTQtKp1krgFcEZU2pv/X+GIYuvnEC4i5GIb1e4sP4YbpD3/aKAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-17T12:09:26.857982Z","bundle_sha256":"9f5281694e478a9ddf8412512880319c88a12d854003735595674c0239135b57"}}