{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:Y6U7DMMZAWKY7WQJFBAIEJLNAD","short_pith_number":"pith:Y6U7DMMZ","canonical_record":{"source":{"id":"1102.0287","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-02-01T21:00:09Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"a30daf2f459d4799da3b37cc7f42234f08a5f2ff706b1b1fb3a543a99c332a7f","abstract_canon_sha256":"ad5f4c7fab470a880bdc1043cfc252395bd353ec8a948a6e53d6d9a5a42f1745"},"schema_version":"1.0"},"canonical_sha256":"c7a9f1b19905958fda09284082256d00d71bb65bdc9751bb2fcb0176d9bb99dd","source":{"kind":"arxiv","id":"1102.0287","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1102.0287","created_at":"2026-05-18T02:03:17Z"},{"alias_kind":"arxiv_version","alias_value":"1102.0287v1","created_at":"2026-05-18T02:03:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.0287","created_at":"2026-05-18T02:03:17Z"},{"alias_kind":"pith_short_12","alias_value":"Y6U7DMMZAWKY","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_16","alias_value":"Y6U7DMMZAWKY7WQJ","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_8","alias_value":"Y6U7DMMZ","created_at":"2026-05-18T12:26:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:Y6U7DMMZAWKY7WQJFBAIEJLNAD","target":"record","payload":{"canonical_record":{"source":{"id":"1102.0287","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-02-01T21:00:09Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"a30daf2f459d4799da3b37cc7f42234f08a5f2ff706b1b1fb3a543a99c332a7f","abstract_canon_sha256":"ad5f4c7fab470a880bdc1043cfc252395bd353ec8a948a6e53d6d9a5a42f1745"},"schema_version":"1.0"},"canonical_sha256":"c7a9f1b19905958fda09284082256d00d71bb65bdc9751bb2fcb0176d9bb99dd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:03:17.880469Z","signature_b64":"d6fcjy0dTgRutHF0EsFnyAjRbNahqe5s3CnKpoP7HG9d1fzkT6cqCZYxtadxwmva6imDRvVb7LnoaHZbiDPfDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c7a9f1b19905958fda09284082256d00d71bb65bdc9751bb2fcb0176d9bb99dd","last_reissued_at":"2026-05-18T02:03:17.879782Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:03:17.879782Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1102.0287","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":"2026-05-18T02:03:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fckHSmQjOlvVFWhSzkLCyoFZfHxAEl3sqz7+w1fhYBDF5EiZLgN6haXkwLQxbT45oJSED1EFRI26vfGOnhtdAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T08:37:00.005878Z"},"content_sha256":"e291f3db3c310284e71cf70717c517a3c54cb4875f66bd49b8dbd461d82f6623","schema_version":"1.0","event_id":"sha256:e291f3db3c310284e71cf70717c517a3c54cb4875f66bd49b8dbd461d82f6623"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:Y6U7DMMZAWKY7WQJFBAIEJLNAD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Study of Molecular Clouds associated with HII Regions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"Michel Fich, Mohaddesseh Azimlu","submitted_at":"2011-02-01T21:00:09Z","abstract_excerpt":"The properties of molecular clouds associated with 10 HII regions were studied using CO observations. We identified 142 dense clumps within our sample and found that our sources are divided into two categories: those with clumps that show a power law size-line width relation (Type I) and those which do not show any relation (Type II). The clumps in the Type I sources have larger power law indices than found in previous studies. The clumps in the Type II sources have larger line widths and show evidence (such as outflows) of current active star formation within the clump. We suggest that the la"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.0287","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":"2026-05-18T02:03:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+4kGrQXKPnQo4x7RSrLfCuHaYVtMZjIH3Q0X68kEqTm2JZGyO/DPDqUBeLSqt3llIVx1Vav+Hkgj06X1l8b9DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T08:37:00.006227Z"},"content_sha256":"e326bc66b6c4aa23b4fddf97a3c9f3893b60949ebfe8fc0a1b713ceffabad64b","schema_version":"1.0","event_id":"sha256:e326bc66b6c4aa23b4fddf97a3c9f3893b60949ebfe8fc0a1b713ceffabad64b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Y6U7DMMZAWKY7WQJFBAIEJLNAD/bundle.json","state_url":"https://pith.science/pith/Y6U7DMMZAWKY7WQJFBAIEJLNAD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Y6U7DMMZAWKY7WQJFBAIEJLNAD/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":"2026-06-03T08:37:00Z","links":{"resolver":"https://pith.science/pith/Y6U7DMMZAWKY7WQJFBAIEJLNAD","bundle":"https://pith.science/pith/Y6U7DMMZAWKY7WQJFBAIEJLNAD/bundle.json","state":"https://pith.science/pith/Y6U7DMMZAWKY7WQJFBAIEJLNAD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Y6U7DMMZAWKY7WQJFBAIEJLNAD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:Y6U7DMMZAWKY7WQJFBAIEJLNAD","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":"ad5f4c7fab470a880bdc1043cfc252395bd353ec8a948a6e53d6d9a5a42f1745","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-02-01T21:00:09Z","title_canon_sha256":"a30daf2f459d4799da3b37cc7f42234f08a5f2ff706b1b1fb3a543a99c332a7f"},"schema_version":"1.0","source":{"id":"1102.0287","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1102.0287","created_at":"2026-05-18T02:03:17Z"},{"alias_kind":"arxiv_version","alias_value":"1102.0287v1","created_at":"2026-05-18T02:03:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.0287","created_at":"2026-05-18T02:03:17Z"},{"alias_kind":"pith_short_12","alias_value":"Y6U7DMMZAWKY","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_16","alias_value":"Y6U7DMMZAWKY7WQJ","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_8","alias_value":"Y6U7DMMZ","created_at":"2026-05-18T12:26:47Z"}],"graph_snapshots":[{"event_id":"sha256:e326bc66b6c4aa23b4fddf97a3c9f3893b60949ebfe8fc0a1b713ceffabad64b","target":"graph","created_at":"2026-05-18T02:03:17Z","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":"The properties of molecular clouds associated with 10 HII regions were studied using CO observations. We identified 142 dense clumps within our sample and found that our sources are divided into two categories: those with clumps that show a power law size-line width relation (Type I) and those which do not show any relation (Type II). The clumps in the Type I sources have larger power law indices than found in previous studies. The clumps in the Type II sources have larger line widths and show evidence (such as outflows) of current active star formation within the clump. We suggest that the la","authors_text":"Michel Fich, Mohaddesseh Azimlu","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-02-01T21:00:09Z","title":"Study of Molecular Clouds associated with HII Regions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.0287","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:e291f3db3c310284e71cf70717c517a3c54cb4875f66bd49b8dbd461d82f6623","target":"record","created_at":"2026-05-18T02:03:17Z","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":"ad5f4c7fab470a880bdc1043cfc252395bd353ec8a948a6e53d6d9a5a42f1745","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-02-01T21:00:09Z","title_canon_sha256":"a30daf2f459d4799da3b37cc7f42234f08a5f2ff706b1b1fb3a543a99c332a7f"},"schema_version":"1.0","source":{"id":"1102.0287","kind":"arxiv","version":1}},"canonical_sha256":"c7a9f1b19905958fda09284082256d00d71bb65bdc9751bb2fcb0176d9bb99dd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c7a9f1b19905958fda09284082256d00d71bb65bdc9751bb2fcb0176d9bb99dd","first_computed_at":"2026-05-18T02:03:17.879782Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:03:17.879782Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"d6fcjy0dTgRutHF0EsFnyAjRbNahqe5s3CnKpoP7HG9d1fzkT6cqCZYxtadxwmva6imDRvVb7LnoaHZbiDPfDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:03:17.880469Z","signed_message":"canonical_sha256_bytes"},"source_id":"1102.0287","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e291f3db3c310284e71cf70717c517a3c54cb4875f66bd49b8dbd461d82f6623","sha256:e326bc66b6c4aa23b4fddf97a3c9f3893b60949ebfe8fc0a1b713ceffabad64b"],"state_sha256":"10188575e1d7497051e5a8c09b685cbe51628b75559b91196bfe0d0f11262dfb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E1WZ7xznK0ITba87DtuDtZSsiOrxBH7/A10BfV4RUwHuxlfQqUTprQ0Me4cTR6hm7FKLEaopbB+LOneOkTALDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T08:37:00.008301Z","bundle_sha256":"2a254075e0176113642e1a2aa4d4b3f0910c0e2de16625875b57ec6e01526308"}}