{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:AIPNUREXEBBMVPBCW52ALPGXXB","short_pith_number":"pith:AIPNUREX","canonical_record":{"source":{"id":"1511.05602","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-11-17T22:08:41Z","cross_cats_sorted":[],"title_canon_sha256":"5184e94f1ce9dd29fcfa562d4e914be91a74bb72ec30340cfbdef449fe3c59bd","abstract_canon_sha256":"4a6c22233174fdd111cabb35a7b91a87cc3a5b84505a2f2f9fc49ace27539865"},"schema_version":"1.0"},"canonical_sha256":"021eda44972042cabc22b77405bcd7b86220994bce46b987554d2c6b0c42d80f","source":{"kind":"arxiv","id":"1511.05602","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.05602","created_at":"2026-05-18T01:12:30Z"},{"alias_kind":"arxiv_version","alias_value":"1511.05602v2","created_at":"2026-05-18T01:12:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.05602","created_at":"2026-05-18T01:12:30Z"},{"alias_kind":"pith_short_12","alias_value":"AIPNUREXEBBM","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_16","alias_value":"AIPNUREXEBBMVPBC","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_8","alias_value":"AIPNUREX","created_at":"2026-05-18T12:29:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:AIPNUREXEBBMVPBCW52ALPGXXB","target":"record","payload":{"canonical_record":{"source":{"id":"1511.05602","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-11-17T22:08:41Z","cross_cats_sorted":[],"title_canon_sha256":"5184e94f1ce9dd29fcfa562d4e914be91a74bb72ec30340cfbdef449fe3c59bd","abstract_canon_sha256":"4a6c22233174fdd111cabb35a7b91a87cc3a5b84505a2f2f9fc49ace27539865"},"schema_version":"1.0"},"canonical_sha256":"021eda44972042cabc22b77405bcd7b86220994bce46b987554d2c6b0c42d80f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:12:30.440838Z","signature_b64":"4H05Kwby9eHUEsoC93RCFQ0f8oudZSQo4sUWVji6VXX7XCed7bvstj4jO3cspeCt9RxAlhUGOG0JA21eTP+9Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"021eda44972042cabc22b77405bcd7b86220994bce46b987554d2c6b0c42d80f","last_reissued_at":"2026-05-18T01:12:30.440471Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:12:30.440471Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1511.05602","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":"2026-05-18T01:12:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Of8b86MNUEENVxDjPqdtomC1cSdfoUcVHTYaB8SM4KLiu7I3NDAfZD8dYxMjNpJMxLKyJaNpTo2XHMuwUCVODw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T12:13:01.570754Z"},"content_sha256":"40808c938ebecf6ac777508c52d27897b16e3b41de0edc21773d9b148f3b2c95","schema_version":"1.0","event_id":"sha256:40808c938ebecf6ac777508c52d27897b16e3b41de0edc21773d9b148f3b2c95"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:AIPNUREXEBBMVPBCW52ALPGXXB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Gravitational contraction versus Supernova driving and the origin of the velocity dispersion-size relation in molecular clouds","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Christian Baczynski, Juan C. Ib\\'a\\~nez-Mej\\'ia, Mordecai-Mark Mac Low, Ralf S. Klessen","submitted_at":"2015-11-17T22:08:41Z","abstract_excerpt":"Molecular cloud observations show that clouds have non-thermal velocity dispersions that scale with the cloud size as $\\sigma\\propto R^{1/2}$ at constant surface density, and for varying surface density scale with both the cloud`s size and surface density, $\\sigma^2 \\propto R \\Sigma$. The energy source driving these chaotic motions remains poorly understood. We describe the velocity dispersions observed in a cloud population formed in a kiloparsec-scale numerical simulation of a magnetized, supernova-driven, self-gravitating, interstellar medium, including diffuse heating and radiative cooling"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.05602","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":""},"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":"2026-05-18T01:12:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DyHiWOMaqzWmzvJhLI0se//JLx790iwOoAsymXjeVpYdyuKdv6Mmu5Vj1Z7sXYoHV+zGnipDcMcOaxTCUwUuAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T12:13:01.571415Z"},"content_sha256":"2d2a43ac8fbbbd2dab6d6df72642c1d5482b164298be7c4983ef91ee8a0c15a6","schema_version":"1.0","event_id":"sha256:2d2a43ac8fbbbd2dab6d6df72642c1d5482b164298be7c4983ef91ee8a0c15a6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AIPNUREXEBBMVPBCW52ALPGXXB/bundle.json","state_url":"https://pith.science/pith/AIPNUREXEBBMVPBCW52ALPGXXB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AIPNUREXEBBMVPBCW52ALPGXXB/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":"2026-05-31T12:13:01Z","links":{"resolver":"https://pith.science/pith/AIPNUREXEBBMVPBCW52ALPGXXB","bundle":"https://pith.science/pith/AIPNUREXEBBMVPBCW52ALPGXXB/bundle.json","state":"https://pith.science/pith/AIPNUREXEBBMVPBCW52ALPGXXB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AIPNUREXEBBMVPBCW52ALPGXXB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:AIPNUREXEBBMVPBCW52ALPGXXB","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":"4a6c22233174fdd111cabb35a7b91a87cc3a5b84505a2f2f9fc49ace27539865","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-11-17T22:08:41Z","title_canon_sha256":"5184e94f1ce9dd29fcfa562d4e914be91a74bb72ec30340cfbdef449fe3c59bd"},"schema_version":"1.0","source":{"id":"1511.05602","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.05602","created_at":"2026-05-18T01:12:30Z"},{"alias_kind":"arxiv_version","alias_value":"1511.05602v2","created_at":"2026-05-18T01:12:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.05602","created_at":"2026-05-18T01:12:30Z"},{"alias_kind":"pith_short_12","alias_value":"AIPNUREXEBBM","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_16","alias_value":"AIPNUREXEBBMVPBC","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_8","alias_value":"AIPNUREX","created_at":"2026-05-18T12:29:10Z"}],"graph_snapshots":[{"event_id":"sha256:2d2a43ac8fbbbd2dab6d6df72642c1d5482b164298be7c4983ef91ee8a0c15a6","target":"graph","created_at":"2026-05-18T01:12:30Z","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":"Molecular cloud observations show that clouds have non-thermal velocity dispersions that scale with the cloud size as $\\sigma\\propto R^{1/2}$ at constant surface density, and for varying surface density scale with both the cloud`s size and surface density, $\\sigma^2 \\propto R \\Sigma$. The energy source driving these chaotic motions remains poorly understood. We describe the velocity dispersions observed in a cloud population formed in a kiloparsec-scale numerical simulation of a magnetized, supernova-driven, self-gravitating, interstellar medium, including diffuse heating and radiative cooling","authors_text":"Christian Baczynski, Juan C. Ib\\'a\\~nez-Mej\\'ia, Mordecai-Mark Mac Low, Ralf S. Klessen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-11-17T22:08:41Z","title":"Gravitational contraction versus Supernova driving and the origin of the velocity dispersion-size relation in molecular clouds"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.05602","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":"sha256:40808c938ebecf6ac777508c52d27897b16e3b41de0edc21773d9b148f3b2c95","target":"record","created_at":"2026-05-18T01:12:30Z","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":"4a6c22233174fdd111cabb35a7b91a87cc3a5b84505a2f2f9fc49ace27539865","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-11-17T22:08:41Z","title_canon_sha256":"5184e94f1ce9dd29fcfa562d4e914be91a74bb72ec30340cfbdef449fe3c59bd"},"schema_version":"1.0","source":{"id":"1511.05602","kind":"arxiv","version":2}},"canonical_sha256":"021eda44972042cabc22b77405bcd7b86220994bce46b987554d2c6b0c42d80f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"021eda44972042cabc22b77405bcd7b86220994bce46b987554d2c6b0c42d80f","first_computed_at":"2026-05-18T01:12:30.440471Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:12:30.440471Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4H05Kwby9eHUEsoC93RCFQ0f8oudZSQo4sUWVji6VXX7XCed7bvstj4jO3cspeCt9RxAlhUGOG0JA21eTP+9Aw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:12:30.440838Z","signed_message":"canonical_sha256_bytes"},"source_id":"1511.05602","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:40808c938ebecf6ac777508c52d27897b16e3b41de0edc21773d9b148f3b2c95","sha256:2d2a43ac8fbbbd2dab6d6df72642c1d5482b164298be7c4983ef91ee8a0c15a6"],"state_sha256":"9f6b6ef39bebb14b6c6c93889d90229934eb307bf2d28d56b98f94c0a1407e74"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OTjXpYuk8IUn0lOIX/0fmSAhf4S9xo1+XYhD8Yev4nhL3f+exKqMSeB61IUc0Sz7PNRZX6WcWrxYcfxOJR51AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T12:13:01.574884Z","bundle_sha256":"9bd6e826629728166316016ab803fc31f4a471aa826dc1a8119d2e96b3b6f92d"}}