{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:JNFYLAYFRGUWLZFP7OO6IIEFKQ","short_pith_number":"pith:JNFYLAYF","canonical_record":{"source":{"id":"2508.05826","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-08-07T20:05:46Z","cross_cats_sorted":[],"title_canon_sha256":"71bf82388c4832bf0176d327cd2c213fa5fceb756ec03cd6d503179580cfbc80","abstract_canon_sha256":"3160dce4154f81bdf1bdb6b7dbdb854e179198e070d40ab15203e74a3815eb34"},"schema_version":"1.0"},"canonical_sha256":"4b4b85830589a965e4affb9de42085543115cc65404cbc467cddf91177837173","source":{"kind":"arxiv","id":"2508.05826","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.05826","created_at":"2026-07-05T11:50:43Z"},{"alias_kind":"arxiv_version","alias_value":"2508.05826v1","created_at":"2026-07-05T11:50:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.05826","created_at":"2026-07-05T11:50:43Z"},{"alias_kind":"pith_short_12","alias_value":"JNFYLAYFRGUW","created_at":"2026-07-05T11:50:43Z"},{"alias_kind":"pith_short_16","alias_value":"JNFYLAYFRGUWLZFP","created_at":"2026-07-05T11:50:43Z"},{"alias_kind":"pith_short_8","alias_value":"JNFYLAYF","created_at":"2026-07-05T11:50:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:JNFYLAYFRGUWLZFP7OO6IIEFKQ","target":"record","payload":{"canonical_record":{"source":{"id":"2508.05826","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-08-07T20:05:46Z","cross_cats_sorted":[],"title_canon_sha256":"71bf82388c4832bf0176d327cd2c213fa5fceb756ec03cd6d503179580cfbc80","abstract_canon_sha256":"3160dce4154f81bdf1bdb6b7dbdb854e179198e070d40ab15203e74a3815eb34"},"schema_version":"1.0"},"canonical_sha256":"4b4b85830589a965e4affb9de42085543115cc65404cbc467cddf91177837173","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:50:43.896500Z","signature_b64":"bdHRJ0ZJHldi3+IhU5V9g2assbsaJgSdSdMp0BZQW+Jw84c9TKQy0J48lGUqg5SF1feDIVrZO2dSYkH7C67eDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4b4b85830589a965e4affb9de42085543115cc65404cbc467cddf91177837173","last_reissued_at":"2026-07-05T11:50:43.896028Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:50:43.896028Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2508.05826","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":"2026-07-05T11:50:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"T20RMghnJOQq3sSmGb4XK2kXpaS1PMcIjGKWNE6kazMkrH+ne9BYStz+C9XxrdQz8cRgl6bSVnWhqCsLp8nxBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T04:38:43.162950Z"},"content_sha256":"051c7c54b573ae7483d71d34f8c45dc01f2280fdd7a0c578c739cd87ab56facf","schema_version":"1.0","event_id":"sha256:051c7c54b573ae7483d71d34f8c45dc01f2280fdd7a0c578c739cd87ab56facf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:JNFYLAYFRGUWLZFP7OO6IIEFKQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Gravitational Binding and Star Formation in Molecular Clouds of the Milky Way","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Howard A. Smith, Ian W. Stephens, Mark Heyer, Nicole Karnath, Philip C. Myers, Simon Coud\\'e","submitted_at":"2025-08-07T20:05:46Z","abstract_excerpt":"The gravitational binding and star-forming properties of molecular clouds (MCs) in the Milky Way (MW) are estimated from CO cloud observations and from a model of pressure-bounded virial equilibrium (PVE). Two CO surveys are analyzed with the standard CO conversion factor. The main results are: (1) For each survey the cloud virial parameter $\\alpha_{vir}$ increases by a factor ~2 from galactocentric radius $R_{gal}$ = 4 kpc to 15 kpc. (2) PVE models match these trends only if the surface densities of survey clouds and nearby stars are comparable. This evidence of environmental influence resemb"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.05826","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/2508.05826/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":"2026-07-05T11:50:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jg1b3Cgf4AXxVjfU10vwsaBP2s6cAkWBlfGgAMo7TmSYcgis0mffDX/Azswh/f5fKAmvDWHAa+Fd4a5p4UIgDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T04:38:43.163457Z"},"content_sha256":"ce38531e6c39a125d8d163c1e58873827af7526af8d2368a8e99187838ed212a","schema_version":"1.0","event_id":"sha256:ce38531e6c39a125d8d163c1e58873827af7526af8d2368a8e99187838ed212a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JNFYLAYFRGUWLZFP7OO6IIEFKQ/bundle.json","state_url":"https://pith.science/pith/JNFYLAYFRGUWLZFP7OO6IIEFKQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JNFYLAYFRGUWLZFP7OO6IIEFKQ/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":"2026-08-12T04:38:43Z","links":{"resolver":"https://pith.science/pith/JNFYLAYFRGUWLZFP7OO6IIEFKQ","bundle":"https://pith.science/pith/JNFYLAYFRGUWLZFP7OO6IIEFKQ/bundle.json","state":"https://pith.science/pith/JNFYLAYFRGUWLZFP7OO6IIEFKQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JNFYLAYFRGUWLZFP7OO6IIEFKQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:JNFYLAYFRGUWLZFP7OO6IIEFKQ","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":"3160dce4154f81bdf1bdb6b7dbdb854e179198e070d40ab15203e74a3815eb34","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-08-07T20:05:46Z","title_canon_sha256":"71bf82388c4832bf0176d327cd2c213fa5fceb756ec03cd6d503179580cfbc80"},"schema_version":"1.0","source":{"id":"2508.05826","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.05826","created_at":"2026-07-05T11:50:43Z"},{"alias_kind":"arxiv_version","alias_value":"2508.05826v1","created_at":"2026-07-05T11:50:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.05826","created_at":"2026-07-05T11:50:43Z"},{"alias_kind":"pith_short_12","alias_value":"JNFYLAYFRGUW","created_at":"2026-07-05T11:50:43Z"},{"alias_kind":"pith_short_16","alias_value":"JNFYLAYFRGUWLZFP","created_at":"2026-07-05T11:50:43Z"},{"alias_kind":"pith_short_8","alias_value":"JNFYLAYF","created_at":"2026-07-05T11:50:43Z"}],"graph_snapshots":[{"event_id":"sha256:ce38531e6c39a125d8d163c1e58873827af7526af8d2368a8e99187838ed212a","target":"graph","created_at":"2026-07-05T11:50:43Z","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/2508.05826/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The gravitational binding and star-forming properties of molecular clouds (MCs) in the Milky Way (MW) are estimated from CO cloud observations and from a model of pressure-bounded virial equilibrium (PVE). Two CO surveys are analyzed with the standard CO conversion factor. The main results are: (1) For each survey the cloud virial parameter $\\alpha_{vir}$ increases by a factor ~2 from galactocentric radius $R_{gal}$ = 4 kpc to 15 kpc. (2) PVE models match these trends only if the surface densities of survey clouds and nearby stars are comparable. This evidence of environmental influence resemb","authors_text":"Howard A. Smith, Ian W. Stephens, Mark Heyer, Nicole Karnath, Philip C. Myers, Simon Coud\\'e","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-08-07T20:05:46Z","title":"Gravitational Binding and Star Formation in Molecular Clouds of the Milky Way"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.05826","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":"sha256:051c7c54b573ae7483d71d34f8c45dc01f2280fdd7a0c578c739cd87ab56facf","target":"record","created_at":"2026-07-05T11:50:43Z","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":"3160dce4154f81bdf1bdb6b7dbdb854e179198e070d40ab15203e74a3815eb34","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-08-07T20:05:46Z","title_canon_sha256":"71bf82388c4832bf0176d327cd2c213fa5fceb756ec03cd6d503179580cfbc80"},"schema_version":"1.0","source":{"id":"2508.05826","kind":"arxiv","version":1}},"canonical_sha256":"4b4b85830589a965e4affb9de42085543115cc65404cbc467cddf91177837173","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4b4b85830589a965e4affb9de42085543115cc65404cbc467cddf91177837173","first_computed_at":"2026-07-05T11:50:43.896028Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:50:43.896028Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bdHRJ0ZJHldi3+IhU5V9g2assbsaJgSdSdMp0BZQW+Jw84c9TKQy0J48lGUqg5SF1feDIVrZO2dSYkH7C67eDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:50:43.896500Z","signed_message":"canonical_sha256_bytes"},"source_id":"2508.05826","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:051c7c54b573ae7483d71d34f8c45dc01f2280fdd7a0c578c739cd87ab56facf","sha256:ce38531e6c39a125d8d163c1e58873827af7526af8d2368a8e99187838ed212a"],"state_sha256":"6429da4996fea404b2499db37d684c759b145c530990560626c27b911d22b16b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P8VIkQFcSrjDLxDpC3UuU/VcpapWb2tdeJuBwUtM6Sahht0+rySIQb5M3FlCRByj5XmsS+157jjMXssj9lhYDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T04:38:43.168210Z","bundle_sha256":"f9109e843929476991a019db9e67ff35f27600b313869285e4a791a1f4487b4f"}}