{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:KZUP2PYTDXRUQWYGS47Q5DREDC","short_pith_number":"pith:KZUP2PYT","schema_version":"1.0","canonical_sha256":"5668fd3f131de3485b06973f0e8e2418bf8c96bb315af6c9cea09d14d0502abe","source":{"kind":"arxiv","id":"1204.5659","version":1},"attestation_state":"computed","paper":{"title":"Star Formation Laws: the Effects of Gas Cloud Sampling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"(2) The Johns Hopkins University, (3) SUNY at Stony Brook), Daniela Calzetti (1), Guilin Liu (2), Jin Koda (3) ((1) University of Massachusetts - Amherst","submitted_at":"2012-04-25T13:59:28Z","abstract_excerpt":"Recent observational results indicate that the functional shape of the spatially-resolved star formation-molecular gas density relation depends on the spatial scale considered. These results may indicate a fundamental role of sampling effects on scales that are typically only a few times larger than those of the largest molecular clouds. To investigate the impact of this effect, we construct simple models for the distribution of molecular clouds in a typical star-forming spiral galaxy, and, assuming a power-law relation between SFR and cloud mass, explore a range of input parameters. We confir"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1204.5659","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-04-25T13:59:28Z","cross_cats_sorted":[],"title_canon_sha256":"b24d80652944255c1aae283602be4f1d6104e2325ea19ee8e700bebab8521ea7","abstract_canon_sha256":"b1141e2abf4798cd7b84130664b22389497cd20c0b07f16ba4b50e4f9ed4ee7b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:57:44.374522Z","signature_b64":"BtsMa6f91CaK5sZY7VAA8Z5g2mCKuUC6va46BEknXG8Kn7VhW42eJqyyHks7MooXXwRUJs2whwD4HPcz+td1BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5668fd3f131de3485b06973f0e8e2418bf8c96bb315af6c9cea09d14d0502abe","last_reissued_at":"2026-05-18T01:57:44.373819Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:57:44.373819Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Star Formation Laws: the Effects of Gas Cloud Sampling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"(2) The Johns Hopkins University, (3) SUNY at Stony Brook), Daniela Calzetti (1), Guilin Liu (2), Jin Koda (3) ((1) University of Massachusetts - Amherst","submitted_at":"2012-04-25T13:59:28Z","abstract_excerpt":"Recent observational results indicate that the functional shape of the spatially-resolved star formation-molecular gas density relation depends on the spatial scale considered. These results may indicate a fundamental role of sampling effects on scales that are typically only a few times larger than those of the largest molecular clouds. To investigate the impact of this effect, we construct simple models for the distribution of molecular clouds in a typical star-forming spiral galaxy, and, assuming a power-law relation between SFR and cloud mass, explore a range of input parameters. We confir"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.5659","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1204.5659","created_at":"2026-05-18T01:57:44.373927+00:00"},{"alias_kind":"arxiv_version","alias_value":"1204.5659v1","created_at":"2026-05-18T01:57:44.373927+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.5659","created_at":"2026-05-18T01:57:44.373927+00:00"},{"alias_kind":"pith_short_12","alias_value":"KZUP2PYTDXRU","created_at":"2026-05-18T12:27:11.947152+00:00"},{"alias_kind":"pith_short_16","alias_value":"KZUP2PYTDXRUQWYG","created_at":"2026-05-18T12:27:11.947152+00:00"},{"alias_kind":"pith_short_8","alias_value":"KZUP2PYT","created_at":"2026-05-18T12:27:11.947152+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/KZUP2PYTDXRUQWYGS47Q5DREDC","json":"https://pith.science/pith/KZUP2PYTDXRUQWYGS47Q5DREDC.json","graph_json":"https://pith.science/api/pith-number/KZUP2PYTDXRUQWYGS47Q5DREDC/graph.json","events_json":"https://pith.science/api/pith-number/KZUP2PYTDXRUQWYGS47Q5DREDC/events.json","paper":"https://pith.science/paper/KZUP2PYT"},"agent_actions":{"view_html":"https://pith.science/pith/KZUP2PYTDXRUQWYGS47Q5DREDC","download_json":"https://pith.science/pith/KZUP2PYTDXRUQWYGS47Q5DREDC.json","view_paper":"https://pith.science/paper/KZUP2PYT","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1204.5659&json=true","fetch_graph":"https://pith.science/api/pith-number/KZUP2PYTDXRUQWYGS47Q5DREDC/graph.json","fetch_events":"https://pith.science/api/pith-number/KZUP2PYTDXRUQWYGS47Q5DREDC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KZUP2PYTDXRUQWYGS47Q5DREDC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KZUP2PYTDXRUQWYGS47Q5DREDC/action/storage_attestation","attest_author":"https://pith.science/pith/KZUP2PYTDXRUQWYGS47Q5DREDC/action/author_attestation","sign_citation":"https://pith.science/pith/KZUP2PYTDXRUQWYGS47Q5DREDC/action/citation_signature","submit_replication":"https://pith.science/pith/KZUP2PYTDXRUQWYGS47Q5DREDC/action/replication_record"}},"created_at":"2026-05-18T01:57:44.373927+00:00","updated_at":"2026-05-18T01:57:44.373927+00:00"}