{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:JXO34JHR3FOQ3QBMEAFU4DXQVB","short_pith_number":"pith:JXO34JHR","canonical_record":{"source":{"id":"2007.01331","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-07-02T18:24:24Z","cross_cats_sorted":[],"title_canon_sha256":"5f2b414819d4feb284746c95e793965407ba86612c93f449b8560109af8c4ce1","abstract_canon_sha256":"d48fa76f828fed7def7e9cdf602a29590f1d4d23245bafe93d8e3b4cda6f4e46"},"schema_version":"1.0"},"canonical_sha256":"4dddbe24f1d95d0dc02c200b4e0ef0a86a00925bcb17f7f070ee2a7e6471a55c","source":{"kind":"arxiv","id":"2007.01331","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2007.01331","created_at":"2026-07-05T01:52:21Z"},{"alias_kind":"arxiv_version","alias_value":"2007.01331v2","created_at":"2026-07-05T01:52:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2007.01331","created_at":"2026-07-05T01:52:21Z"},{"alias_kind":"pith_short_12","alias_value":"JXO34JHR3FOQ","created_at":"2026-07-05T01:52:21Z"},{"alias_kind":"pith_short_16","alias_value":"JXO34JHR3FOQ3QBM","created_at":"2026-07-05T01:52:21Z"},{"alias_kind":"pith_short_8","alias_value":"JXO34JHR","created_at":"2026-07-05T01:52:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:JXO34JHR3FOQ3QBMEAFU4DXQVB","target":"record","payload":{"canonical_record":{"source":{"id":"2007.01331","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-07-02T18:24:24Z","cross_cats_sorted":[],"title_canon_sha256":"5f2b414819d4feb284746c95e793965407ba86612c93f449b8560109af8c4ce1","abstract_canon_sha256":"d48fa76f828fed7def7e9cdf602a29590f1d4d23245bafe93d8e3b4cda6f4e46"},"schema_version":"1.0"},"canonical_sha256":"4dddbe24f1d95d0dc02c200b4e0ef0a86a00925bcb17f7f070ee2a7e6471a55c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:52:21.475614Z","signature_b64":"naJUyAVD1z4q8CeAfycGPlGfymSL0AGtXvc40d9yuq+0zUnmdylRH8hxBhetDWmXoYJbK7d7vHSieiLLXSlUBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4dddbe24f1d95d0dc02c200b4e0ef0a86a00925bcb17f7f070ee2a7e6471a55c","last_reissued_at":"2026-07-05T01:52:21.475142Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:52:21.475142Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2007.01331","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T01:52:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z947YoYowdcWORwIOPkkDO2c48+aBRhBNm8WT6131E7vh6dCLm8HWa6MUIEJeyV0s/4Q3blFl2EP66uP2aZgBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-31T20:21:41.507914Z"},"content_sha256":"740e1e4c719e1fe6d13bcdf74f18449e083203b46fcb25991b6de0e266ad3ae3","schema_version":"1.0","event_id":"sha256:740e1e4c719e1fe6d13bcdf74f18449e083203b46fcb25991b6de0e266ad3ae3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:JXO34JHR3FOQ3QBMEAFU4DXQVB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Detailed 3D structure of OrionA in dust with Gaia DR2","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Coryn A.L. Bailer-Jones, Eleonora Zari, Juan D. Soler, Sara Rezaei Kh.","submitted_at":"2020-07-02T18:24:24Z","abstract_excerpt":"The unprecedented astrometry from Gaia DR2 provides us with an opportunity to study in detail molecular clouds in the solar neighbourhood. Extracting the wealth of information in these data remains a challenge, however. We have further improved our Gaussian Processes-based, three-dimensional dust mapping technique to allow us to study molecular clouds in more detail. These improvements include a significantly better scaling of the computational cost with the number of stars, and taking into account distance uncertainties to individual stars. Using Gaia DR2 astrometry together with 2MASS and WI"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2007.01331","kind":"arxiv","version":2},"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/2007.01331/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":"2026-07-05T01:52:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"n7RRw39pgi+2/+ntt1YFZJffeL/AKm3QArrUJTa4Pkt1ifkxBCWf3WIVTQ97u1cE+4BGlO2KYUjtvR2BhQnaCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-31T20:21:41.508553Z"},"content_sha256":"22740264473a687a9768a0404ddf5a85beceacb996cc8706771687b5fc4db64e","schema_version":"1.0","event_id":"sha256:22740264473a687a9768a0404ddf5a85beceacb996cc8706771687b5fc4db64e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JXO34JHR3FOQ3QBMEAFU4DXQVB/bundle.json","state_url":"https://pith.science/pith/JXO34JHR3FOQ3QBMEAFU4DXQVB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JXO34JHR3FOQ3QBMEAFU4DXQVB/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":"2026-07-31T20:21:41Z","links":{"resolver":"https://pith.science/pith/JXO34JHR3FOQ3QBMEAFU4DXQVB","bundle":"https://pith.science/pith/JXO34JHR3FOQ3QBMEAFU4DXQVB/bundle.json","state":"https://pith.science/pith/JXO34JHR3FOQ3QBMEAFU4DXQVB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JXO34JHR3FOQ3QBMEAFU4DXQVB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:JXO34JHR3FOQ3QBMEAFU4DXQVB","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":"d48fa76f828fed7def7e9cdf602a29590f1d4d23245bafe93d8e3b4cda6f4e46","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-07-02T18:24:24Z","title_canon_sha256":"5f2b414819d4feb284746c95e793965407ba86612c93f449b8560109af8c4ce1"},"schema_version":"1.0","source":{"id":"2007.01331","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2007.01331","created_at":"2026-07-05T01:52:21Z"},{"alias_kind":"arxiv_version","alias_value":"2007.01331v2","created_at":"2026-07-05T01:52:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2007.01331","created_at":"2026-07-05T01:52:21Z"},{"alias_kind":"pith_short_12","alias_value":"JXO34JHR3FOQ","created_at":"2026-07-05T01:52:21Z"},{"alias_kind":"pith_short_16","alias_value":"JXO34JHR3FOQ3QBM","created_at":"2026-07-05T01:52:21Z"},{"alias_kind":"pith_short_8","alias_value":"JXO34JHR","created_at":"2026-07-05T01:52:21Z"}],"graph_snapshots":[{"event_id":"sha256:22740264473a687a9768a0404ddf5a85beceacb996cc8706771687b5fc4db64e","target":"graph","created_at":"2026-07-05T01:52:21Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2007.01331/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The unprecedented astrometry from Gaia DR2 provides us with an opportunity to study in detail molecular clouds in the solar neighbourhood. Extracting the wealth of information in these data remains a challenge, however. We have further improved our Gaussian Processes-based, three-dimensional dust mapping technique to allow us to study molecular clouds in more detail. These improvements include a significantly better scaling of the computational cost with the number of stars, and taking into account distance uncertainties to individual stars. Using Gaia DR2 astrometry together with 2MASS and WI","authors_text":"Coryn A.L. Bailer-Jones, Eleonora Zari, Juan D. Soler, Sara Rezaei Kh.","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-07-02T18:24:24Z","title":"Detailed 3D structure of OrionA in dust with Gaia DR2"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2007.01331","kind":"arxiv","version":2},"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":"sha256:740e1e4c719e1fe6d13bcdf74f18449e083203b46fcb25991b6de0e266ad3ae3","target":"record","created_at":"2026-07-05T01:52:21Z","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":"d48fa76f828fed7def7e9cdf602a29590f1d4d23245bafe93d8e3b4cda6f4e46","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-07-02T18:24:24Z","title_canon_sha256":"5f2b414819d4feb284746c95e793965407ba86612c93f449b8560109af8c4ce1"},"schema_version":"1.0","source":{"id":"2007.01331","kind":"arxiv","version":2}},"canonical_sha256":"4dddbe24f1d95d0dc02c200b4e0ef0a86a00925bcb17f7f070ee2a7e6471a55c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4dddbe24f1d95d0dc02c200b4e0ef0a86a00925bcb17f7f070ee2a7e6471a55c","first_computed_at":"2026-07-05T01:52:21.475142Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:52:21.475142Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"naJUyAVD1z4q8CeAfycGPlGfymSL0AGtXvc40d9yuq+0zUnmdylRH8hxBhetDWmXoYJbK7d7vHSieiLLXSlUBg==","signature_status":"signed_v1","signed_at":"2026-07-05T01:52:21.475614Z","signed_message":"canonical_sha256_bytes"},"source_id":"2007.01331","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:740e1e4c719e1fe6d13bcdf74f18449e083203b46fcb25991b6de0e266ad3ae3","sha256:22740264473a687a9768a0404ddf5a85beceacb996cc8706771687b5fc4db64e"],"state_sha256":"ed64d17d06f1aca37ed673d13e0b883f84bc1735040a6be9d295487bc64108b4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F+SSIeQMEwPSiLnYKNiU/3inWSdGVzTDJ1iehGQ6NwEifLB7FG+KOAAspXUfZW/xoVf1f0F4AqjWAMIUWnX7Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-31T20:21:41.517447Z","bundle_sha256":"8c60131bd53081602b5276cce10153ded6c38e9b1352b9f39744aeefccc6af40"}}