{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:3FM53C5L2VQBJKWQFF4KWCQL7W","short_pith_number":"pith:3FM53C5L","canonical_record":{"source":{"id":"1801.00861","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-01-02T23:37:43Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"8ef559f24e5582e4aaa5772ffb318d2df9c44724b325c47c22693cfaf6f0ecf9","abstract_canon_sha256":"3a7e13789bf6a0c16de4997424392f619be327f1d11f0136ab70781215306c24"},"schema_version":"1.0"},"canonical_sha256":"d959dd8babd56014aad02978ab0a0bfdb2f9c8b95e27d5401e52fcff5d388df4","source":{"kind":"arxiv","id":"1801.00861","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.00861","created_at":"2026-05-18T00:19:21Z"},{"alias_kind":"arxiv_version","alias_value":"1801.00861v1","created_at":"2026-05-18T00:19:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.00861","created_at":"2026-05-18T00:19:21Z"},{"alias_kind":"pith_short_12","alias_value":"3FM53C5L2VQB","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_16","alias_value":"3FM53C5L2VQBJKWQ","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_8","alias_value":"3FM53C5L","created_at":"2026-05-18T12:32:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:3FM53C5L2VQBJKWQFF4KWCQL7W","target":"record","payload":{"canonical_record":{"source":{"id":"1801.00861","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-01-02T23:37:43Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"8ef559f24e5582e4aaa5772ffb318d2df9c44724b325c47c22693cfaf6f0ecf9","abstract_canon_sha256":"3a7e13789bf6a0c16de4997424392f619be327f1d11f0136ab70781215306c24"},"schema_version":"1.0"},"canonical_sha256":"d959dd8babd56014aad02978ab0a0bfdb2f9c8b95e27d5401e52fcff5d388df4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:19:21.951449Z","signature_b64":"Y94LW1w50rBsKpQqLhmpz1mxjoQy6caXbcXiw4DqlFT/c8PvjxfXaFjMe4UfiNddmKMCzu4ojkbWeLFttNRQAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d959dd8babd56014aad02978ab0a0bfdb2f9c8b95e27d5401e52fcff5d388df4","last_reissued_at":"2026-05-18T00:19:21.950875Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:19:21.950875Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1801.00861","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":"2026-05-18T00:19:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GUgRQ3zXVp2Y7OtAzJLyUUidFw5ceYfnTE3YJgLDU80Xy8bgtGs9LREncGTyN/GF2DCoVD6dXYukDY2CaIx7Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T16:25:24.829043Z"},"content_sha256":"a91327cb6de52facec3228fb1200c768fed79a0d72897947560cc2a1aecae04d","schema_version":"1.0","event_id":"sha256:a91327cb6de52facec3228fb1200c768fed79a0d72897947560cc2a1aecae04d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:3FM53C5L2VQBJKWQFF4KWCQL7W","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Morphology of the $^{13}$CO(3-2) millimeter emission across the gas disc surrounding the triple protostar GG Tau A using ALMA observations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"A. Dutrey, D.T. Hoai, E. Chapillon, N.T. Phuong, N.T. Thao, P. Darriulat, P.N. Diep, P.T. Nhung, P. Tuan-Anh, S. Guilloteau, Y.-W. Tang","submitted_at":"2018-01-02T23:37:43Z","abstract_excerpt":"Observations by the Atacama Large Millimeter/sub-millimeter Array of the dust continuum and $^{13}$CO(3-2) millimeter emissions of the triple stellar system GG Tau A are analysed, giving evidence for a rotating gas disc and a concentric and coplanar dust ring. The present work complements an earlier analysis (Tang et al. 2016) by exploring detailed properties of the gas disc. A 95% confidence level upper limit of 0.24 arcsec (34 au) is placed on the disc scale height at a distance of 1 arcsec (140 au) from the central stars. Evidence for Keplerian rotation of the gas disc is presented, the rot"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.00861","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":"2026-05-18T00:19:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wK37M4EsEI8Dh7T8K7E7QmeiPRNU5uxNXyFS4F4+Od6Fwg0WVHT4AePtoUrKQEZ/VYg50H8yOX+qXdjUoW+ZBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T16:25:24.829411Z"},"content_sha256":"30af69d50f90aa9acfb09288b866c6c8d8fd76abe31cf01c3fd32717106d1f65","schema_version":"1.0","event_id":"sha256:30af69d50f90aa9acfb09288b866c6c8d8fd76abe31cf01c3fd32717106d1f65"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3FM53C5L2VQBJKWQFF4KWCQL7W/bundle.json","state_url":"https://pith.science/pith/3FM53C5L2VQBJKWQFF4KWCQL7W/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3FM53C5L2VQBJKWQFF4KWCQL7W/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":"2026-05-20T16:25:24Z","links":{"resolver":"https://pith.science/pith/3FM53C5L2VQBJKWQFF4KWCQL7W","bundle":"https://pith.science/pith/3FM53C5L2VQBJKWQFF4KWCQL7W/bundle.json","state":"https://pith.science/pith/3FM53C5L2VQBJKWQFF4KWCQL7W/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3FM53C5L2VQBJKWQFF4KWCQL7W/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:3FM53C5L2VQBJKWQFF4KWCQL7W","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":"3a7e13789bf6a0c16de4997424392f619be327f1d11f0136ab70781215306c24","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-01-02T23:37:43Z","title_canon_sha256":"8ef559f24e5582e4aaa5772ffb318d2df9c44724b325c47c22693cfaf6f0ecf9"},"schema_version":"1.0","source":{"id":"1801.00861","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.00861","created_at":"2026-05-18T00:19:21Z"},{"alias_kind":"arxiv_version","alias_value":"1801.00861v1","created_at":"2026-05-18T00:19:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.00861","created_at":"2026-05-18T00:19:21Z"},{"alias_kind":"pith_short_12","alias_value":"3FM53C5L2VQB","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_16","alias_value":"3FM53C5L2VQBJKWQ","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_8","alias_value":"3FM53C5L","created_at":"2026-05-18T12:32:02Z"}],"graph_snapshots":[{"event_id":"sha256:30af69d50f90aa9acfb09288b866c6c8d8fd76abe31cf01c3fd32717106d1f65","target":"graph","created_at":"2026-05-18T00:19:21Z","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":"Observations by the Atacama Large Millimeter/sub-millimeter Array of the dust continuum and $^{13}$CO(3-2) millimeter emissions of the triple stellar system GG Tau A are analysed, giving evidence for a rotating gas disc and a concentric and coplanar dust ring. The present work complements an earlier analysis (Tang et al. 2016) by exploring detailed properties of the gas disc. A 95% confidence level upper limit of 0.24 arcsec (34 au) is placed on the disc scale height at a distance of 1 arcsec (140 au) from the central stars. Evidence for Keplerian rotation of the gas disc is presented, the rot","authors_text":"A. Dutrey, D.T. Hoai, E. Chapillon, N.T. Phuong, N.T. Thao, P. Darriulat, P.N. Diep, P.T. Nhung, P. Tuan-Anh, S. Guilloteau, Y.-W. Tang","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-01-02T23:37:43Z","title":"Morphology of the $^{13}$CO(3-2) millimeter emission across the gas disc surrounding the triple protostar GG Tau A using ALMA observations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.00861","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:a91327cb6de52facec3228fb1200c768fed79a0d72897947560cc2a1aecae04d","target":"record","created_at":"2026-05-18T00:19:21Z","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":"3a7e13789bf6a0c16de4997424392f619be327f1d11f0136ab70781215306c24","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-01-02T23:37:43Z","title_canon_sha256":"8ef559f24e5582e4aaa5772ffb318d2df9c44724b325c47c22693cfaf6f0ecf9"},"schema_version":"1.0","source":{"id":"1801.00861","kind":"arxiv","version":1}},"canonical_sha256":"d959dd8babd56014aad02978ab0a0bfdb2f9c8b95e27d5401e52fcff5d388df4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d959dd8babd56014aad02978ab0a0bfdb2f9c8b95e27d5401e52fcff5d388df4","first_computed_at":"2026-05-18T00:19:21.950875Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:19:21.950875Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Y94LW1w50rBsKpQqLhmpz1mxjoQy6caXbcXiw4DqlFT/c8PvjxfXaFjMe4UfiNddmKMCzu4ojkbWeLFttNRQAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:19:21.951449Z","signed_message":"canonical_sha256_bytes"},"source_id":"1801.00861","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a91327cb6de52facec3228fb1200c768fed79a0d72897947560cc2a1aecae04d","sha256:30af69d50f90aa9acfb09288b866c6c8d8fd76abe31cf01c3fd32717106d1f65"],"state_sha256":"b6872b2560f64972b5d1aebd00e0505aeaa06ca956b816eb65a41f441dc96ae7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CdhsxXPTDN39MyqmFy8zJVRhSFTJ3tOYfBC2fOjbhVEFSA33Km76q2UwhHq7EUGe46yH32UiG0zBi70grCeQCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T16:25:24.831759Z","bundle_sha256":"c81ae25cd643c46e1143015925d4840d1ae7f7b51613a3d92fad1f8fc761b0bd"}}