{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:7D5HGM55IFI2A3XTWO4453T2JE","short_pith_number":"pith:7D5HGM55","canonical_record":{"source":{"id":"2006.13654","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-06-24T12:03:05Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"891a57c7e447829e4b05c38f06d4ff90907bcdceb7e5431aa5b62f8869bc4a59","abstract_canon_sha256":"3fbc866ed478c5be61f5a9954d61285fe81b187dd7fe02d66e23a3ce5b8c10b0"},"schema_version":"1.0"},"canonical_sha256":"f8fa7333bd4151a06ef3b3b9ceee7a4900b9c4c05ad02b209c7c739a01737b4c","source":{"kind":"arxiv","id":"2006.13654","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2006.13654","created_at":"2026-07-05T01:22:49Z"},{"alias_kind":"arxiv_version","alias_value":"2006.13654v1","created_at":"2026-07-05T01:22:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2006.13654","created_at":"2026-07-05T01:22:49Z"},{"alias_kind":"pith_short_12","alias_value":"7D5HGM55IFI2","created_at":"2026-07-05T01:22:49Z"},{"alias_kind":"pith_short_16","alias_value":"7D5HGM55IFI2A3XT","created_at":"2026-07-05T01:22:49Z"},{"alias_kind":"pith_short_8","alias_value":"7D5HGM55","created_at":"2026-07-05T01:22:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:7D5HGM55IFI2A3XTWO4453T2JE","target":"record","payload":{"canonical_record":{"source":{"id":"2006.13654","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-06-24T12:03:05Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"891a57c7e447829e4b05c38f06d4ff90907bcdceb7e5431aa5b62f8869bc4a59","abstract_canon_sha256":"3fbc866ed478c5be61f5a9954d61285fe81b187dd7fe02d66e23a3ce5b8c10b0"},"schema_version":"1.0"},"canonical_sha256":"f8fa7333bd4151a06ef3b3b9ceee7a4900b9c4c05ad02b209c7c739a01737b4c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:22:49.148842Z","signature_b64":"0bHn/xxm1oIJj2ydBmaVNb1eLv1KIiQXkTzNr9AGePaVQvmUNZH1X4Sy6TCA64rZtQHD9SL8LJOgTg6idB5HAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f8fa7333bd4151a06ef3b3b9ceee7a4900b9c4c05ad02b209c7c739a01737b4c","last_reissued_at":"2026-07-05T01:22:49.148348Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:22:49.148348Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2006.13654","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":"2026-07-05T01:22:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fnQn/qoqzhb2Cgcf8iwCDHugfh2YT4WI2dhTvHD3OZLFHDalIp6et549BS6K7yLp3zlYHzQqYbzTLL3Y6c1qCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T08:22:29.717229Z"},"content_sha256":"a3005c7d744d968b581873b23c23371017b6300b8f7eb6217a1d675d187febe9","schema_version":"1.0","event_id":"sha256:a3005c7d744d968b581873b23c23371017b6300b8f7eb6217a1d675d187febe9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:7D5HGM55IFI2A3XTWO4453T2JE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Distances and statistics of local molecular clouds in the first Galactic quadrant","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"Chen Wang, Ji Yang, Qing-Zeng Yan, Yang Su, Yan Sun","submitted_at":"2020-06-24T12:03:05Z","abstract_excerpt":"We present an analysis of local molecular clouds (-6 <VLSR< 30 km/s, i.e., <1.5 kpc) in the first Galactic quadrant (25.8{\\deg} <l<49.7{\\deg} and |b|<5{\\deg}), a pilot region of the Milky Way Imaging Scroll Painting (MWISP) CO survey. Using the SCIMES algorithm to divide large molecular clouds into moderate-sized ones, we determined distances to 28 molecular clouds with the background-eliminated extinction-parallax (BEEP) method using the Gaia DR2 parallax measurements aided by AG and AV, and the distance ranges from 250 pc to about 1.5 kpc. These incomplete distance samples indicate a linear "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2006.13654","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/2006.13654/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":"2026-07-05T01:22:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a22nd8cMzk2m8HF4um/gAwvFsltipfMx/WxT/dmiMPnOq+AAkJC0VK4HpqYk76dAR+kfrFfWTUyRAFD0ENtqAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T08:22:29.717734Z"},"content_sha256":"0d31bacc437f4f444ff85abd1b99f3b267ac612a2c389623997284133f46d34d","schema_version":"1.0","event_id":"sha256:0d31bacc437f4f444ff85abd1b99f3b267ac612a2c389623997284133f46d34d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7D5HGM55IFI2A3XTWO4453T2JE/bundle.json","state_url":"https://pith.science/pith/7D5HGM55IFI2A3XTWO4453T2JE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7D5HGM55IFI2A3XTWO4453T2JE/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":"2026-08-06T08:22:29Z","links":{"resolver":"https://pith.science/pith/7D5HGM55IFI2A3XTWO4453T2JE","bundle":"https://pith.science/pith/7D5HGM55IFI2A3XTWO4453T2JE/bundle.json","state":"https://pith.science/pith/7D5HGM55IFI2A3XTWO4453T2JE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7D5HGM55IFI2A3XTWO4453T2JE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:7D5HGM55IFI2A3XTWO4453T2JE","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":"3fbc866ed478c5be61f5a9954d61285fe81b187dd7fe02d66e23a3ce5b8c10b0","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-06-24T12:03:05Z","title_canon_sha256":"891a57c7e447829e4b05c38f06d4ff90907bcdceb7e5431aa5b62f8869bc4a59"},"schema_version":"1.0","source":{"id":"2006.13654","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2006.13654","created_at":"2026-07-05T01:22:49Z"},{"alias_kind":"arxiv_version","alias_value":"2006.13654v1","created_at":"2026-07-05T01:22:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2006.13654","created_at":"2026-07-05T01:22:49Z"},{"alias_kind":"pith_short_12","alias_value":"7D5HGM55IFI2","created_at":"2026-07-05T01:22:49Z"},{"alias_kind":"pith_short_16","alias_value":"7D5HGM55IFI2A3XT","created_at":"2026-07-05T01:22:49Z"},{"alias_kind":"pith_short_8","alias_value":"7D5HGM55","created_at":"2026-07-05T01:22:49Z"}],"graph_snapshots":[{"event_id":"sha256:0d31bacc437f4f444ff85abd1b99f3b267ac612a2c389623997284133f46d34d","target":"graph","created_at":"2026-07-05T01:22:49Z","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/2006.13654/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present an analysis of local molecular clouds (-6 <VLSR< 30 km/s, i.e., <1.5 kpc) in the first Galactic quadrant (25.8{\\deg} <l<49.7{\\deg} and |b|<5{\\deg}), a pilot region of the Milky Way Imaging Scroll Painting (MWISP) CO survey. Using the SCIMES algorithm to divide large molecular clouds into moderate-sized ones, we determined distances to 28 molecular clouds with the background-eliminated extinction-parallax (BEEP) method using the Gaia DR2 parallax measurements aided by AG and AV, and the distance ranges from 250 pc to about 1.5 kpc. These incomplete distance samples indicate a linear ","authors_text":"Chen Wang, Ji Yang, Qing-Zeng Yan, Yang Su, Yan Sun","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-06-24T12:03:05Z","title":"Distances and statistics of local molecular clouds in the first Galactic quadrant"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2006.13654","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:a3005c7d744d968b581873b23c23371017b6300b8f7eb6217a1d675d187febe9","target":"record","created_at":"2026-07-05T01:22:49Z","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":"3fbc866ed478c5be61f5a9954d61285fe81b187dd7fe02d66e23a3ce5b8c10b0","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-06-24T12:03:05Z","title_canon_sha256":"891a57c7e447829e4b05c38f06d4ff90907bcdceb7e5431aa5b62f8869bc4a59"},"schema_version":"1.0","source":{"id":"2006.13654","kind":"arxiv","version":1}},"canonical_sha256":"f8fa7333bd4151a06ef3b3b9ceee7a4900b9c4c05ad02b209c7c739a01737b4c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f8fa7333bd4151a06ef3b3b9ceee7a4900b9c4c05ad02b209c7c739a01737b4c","first_computed_at":"2026-07-05T01:22:49.148348Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:22:49.148348Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0bHn/xxm1oIJj2ydBmaVNb1eLv1KIiQXkTzNr9AGePaVQvmUNZH1X4Sy6TCA64rZtQHD9SL8LJOgTg6idB5HAA==","signature_status":"signed_v1","signed_at":"2026-07-05T01:22:49.148842Z","signed_message":"canonical_sha256_bytes"},"source_id":"2006.13654","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a3005c7d744d968b581873b23c23371017b6300b8f7eb6217a1d675d187febe9","sha256:0d31bacc437f4f444ff85abd1b99f3b267ac612a2c389623997284133f46d34d"],"state_sha256":"7ca5eb1ea923bb9028314d4615e7faa13b91b86e3376ea8066ba09b49a8c547c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kIkN3DPXMFca5eE1YoOkUQBGOgi1xDIEs9e9CltYop8+vcCdiddftOTldrA23NNG36QgxyDCEAXBcpU+KZm7CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T08:22:29.721968Z","bundle_sha256":"c5af489bd7c498259d5917a8d0ecd0ba381eeba84fc0f1117fadf7a005f41066"}}