{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:E3PC6ESEUB6WT2UV2NNYFJJZEE","short_pith_number":"pith:E3PC6ESE","canonical_record":{"source":{"id":"0908.3701","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-08-25T23:04:01Z","cross_cats_sorted":[],"title_canon_sha256":"7173e22fc892e16cb53fd2fc6eb98e75d557b55f39c631a91ebcfae3ebe50e3d","abstract_canon_sha256":"dbb6aff1ea00858fea3bc8bebd9938d122bd583130dba6bad764cdfe671d7393"},"schema_version":"1.0"},"canonical_sha256":"26de2f1244a07d69ea95d35b82a5392118b6236d5a113d4089e6e8d96764173b","source":{"kind":"arxiv","id":"0908.3701","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0908.3701","created_at":"2026-05-18T02:12:23Z"},{"alias_kind":"arxiv_version","alias_value":"0908.3701v1","created_at":"2026-05-18T02:12:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0908.3701","created_at":"2026-05-18T02:12:23Z"},{"alias_kind":"pith_short_12","alias_value":"E3PC6ESEUB6W","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"E3PC6ESEUB6WT2UV","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"E3PC6ESE","created_at":"2026-05-18T12:25:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:E3PC6ESEUB6WT2UV2NNYFJJZEE","target":"record","payload":{"canonical_record":{"source":{"id":"0908.3701","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-08-25T23:04:01Z","cross_cats_sorted":[],"title_canon_sha256":"7173e22fc892e16cb53fd2fc6eb98e75d557b55f39c631a91ebcfae3ebe50e3d","abstract_canon_sha256":"dbb6aff1ea00858fea3bc8bebd9938d122bd583130dba6bad764cdfe671d7393"},"schema_version":"1.0"},"canonical_sha256":"26de2f1244a07d69ea95d35b82a5392118b6236d5a113d4089e6e8d96764173b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:12:23.006208Z","signature_b64":"fD/ZlJ/XdOqlmYE3SKIDJwi6pNRUL1m9Wguj9TtzJLFPd/3ck/VS9Wyq7rHiarvDO3y6C5MV8eqCDKVsuytHCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"26de2f1244a07d69ea95d35b82a5392118b6236d5a113d4089e6e8d96764173b","last_reissued_at":"2026-05-18T02:12:23.005467Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:12:23.005467Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0908.3701","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":"2026-05-18T02:12:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IXq6qnfZruQWWKU4yC+hF3mCVCOcjPdIGeYmQ9N/lbwMiftN1Wwc3NwVSUs0aFkRhgslGunHIcSPwL68N3myBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T22:51:11.326404Z"},"content_sha256":"0164b6939a2be6c7c9ddadb887eab06dfd37845020c7fc48096d7beecc013381","schema_version":"1.0","event_id":"sha256:0164b6939a2be6c7c9ddadb887eab06dfd37845020c7fc48096d7beecc013381"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:E3PC6ESEUB6WT2UV2NNYFJJZEE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Two-Fluid MHD Simulations of Converging Hi Flows in the Interstellar Medium. II: Are Molecular Clouds Generated Directly from Warm Neutral Medium?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Shu-ichiro Inutsuka, Tsuyoshi Inoue","submitted_at":"2009-08-25T23:04:01Z","abstract_excerpt":"Formation of interstellar clouds as a consequence of thermal instability is studied using two-dimensional two-fluid magnetohydrodynamic simulations. We consider the situation of converging, supersonic flows of warm neutral medium in the interstellar medium that generate a shocked slab of thermally unstable gas in which clouds form. We found, as speculated in paper I, that in the shocked slab magnetic pressure dominates thermal pressure and the thermal instability grows in the isochorically cooling, thermally unstable slab that leads formation of HI clouds whose number density is typically n < "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0908.3701","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":"2026-05-18T02:12:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"42a7WfmIfzcykQKyideeoU3P74z07sMuutNWZ1Hik8s0xAWPBxr4UL+rXNWBps+X9pZOXUBfA8mFgiH3SWfnBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T22:51:11.327087Z"},"content_sha256":"0ef8232013ba885ba14aa6683be4d33a1015abc179edc2059e5cfe669520a260","schema_version":"1.0","event_id":"sha256:0ef8232013ba885ba14aa6683be4d33a1015abc179edc2059e5cfe669520a260"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/E3PC6ESEUB6WT2UV2NNYFJJZEE/bundle.json","state_url":"https://pith.science/pith/E3PC6ESEUB6WT2UV2NNYFJJZEE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/E3PC6ESEUB6WT2UV2NNYFJJZEE/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":"2026-05-26T22:51:11Z","links":{"resolver":"https://pith.science/pith/E3PC6ESEUB6WT2UV2NNYFJJZEE","bundle":"https://pith.science/pith/E3PC6ESEUB6WT2UV2NNYFJJZEE/bundle.json","state":"https://pith.science/pith/E3PC6ESEUB6WT2UV2NNYFJJZEE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/E3PC6ESEUB6WT2UV2NNYFJJZEE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:E3PC6ESEUB6WT2UV2NNYFJJZEE","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":"dbb6aff1ea00858fea3bc8bebd9938d122bd583130dba6bad764cdfe671d7393","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-08-25T23:04:01Z","title_canon_sha256":"7173e22fc892e16cb53fd2fc6eb98e75d557b55f39c631a91ebcfae3ebe50e3d"},"schema_version":"1.0","source":{"id":"0908.3701","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0908.3701","created_at":"2026-05-18T02:12:23Z"},{"alias_kind":"arxiv_version","alias_value":"0908.3701v1","created_at":"2026-05-18T02:12:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0908.3701","created_at":"2026-05-18T02:12:23Z"},{"alias_kind":"pith_short_12","alias_value":"E3PC6ESEUB6W","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"E3PC6ESEUB6WT2UV","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"E3PC6ESE","created_at":"2026-05-18T12:25:59Z"}],"graph_snapshots":[{"event_id":"sha256:0ef8232013ba885ba14aa6683be4d33a1015abc179edc2059e5cfe669520a260","target":"graph","created_at":"2026-05-18T02:12:23Z","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":"Formation of interstellar clouds as a consequence of thermal instability is studied using two-dimensional two-fluid magnetohydrodynamic simulations. We consider the situation of converging, supersonic flows of warm neutral medium in the interstellar medium that generate a shocked slab of thermally unstable gas in which clouds form. We found, as speculated in paper I, that in the shocked slab magnetic pressure dominates thermal pressure and the thermal instability grows in the isochorically cooling, thermally unstable slab that leads formation of HI clouds whose number density is typically n < ","authors_text":"Shu-ichiro Inutsuka, Tsuyoshi Inoue","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-08-25T23:04:01Z","title":"Two-Fluid MHD Simulations of Converging Hi Flows in the Interstellar Medium. II: Are Molecular Clouds Generated Directly from Warm Neutral Medium?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0908.3701","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":"sha256:0164b6939a2be6c7c9ddadb887eab06dfd37845020c7fc48096d7beecc013381","target":"record","created_at":"2026-05-18T02:12:23Z","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":"dbb6aff1ea00858fea3bc8bebd9938d122bd583130dba6bad764cdfe671d7393","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-08-25T23:04:01Z","title_canon_sha256":"7173e22fc892e16cb53fd2fc6eb98e75d557b55f39c631a91ebcfae3ebe50e3d"},"schema_version":"1.0","source":{"id":"0908.3701","kind":"arxiv","version":1}},"canonical_sha256":"26de2f1244a07d69ea95d35b82a5392118b6236d5a113d4089e6e8d96764173b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"26de2f1244a07d69ea95d35b82a5392118b6236d5a113d4089e6e8d96764173b","first_computed_at":"2026-05-18T02:12:23.005467Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:12:23.005467Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fD/ZlJ/XdOqlmYE3SKIDJwi6pNRUL1m9Wguj9TtzJLFPd/3ck/VS9Wyq7rHiarvDO3y6C5MV8eqCDKVsuytHCw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:12:23.006208Z","signed_message":"canonical_sha256_bytes"},"source_id":"0908.3701","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0164b6939a2be6c7c9ddadb887eab06dfd37845020c7fc48096d7beecc013381","sha256:0ef8232013ba885ba14aa6683be4d33a1015abc179edc2059e5cfe669520a260"],"state_sha256":"8666382571de3cc499b5abbfcb42970ab5ff0372d25bc6732ebe487daf20d1d4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UdsCD0S0DSpw+tP1NNO66OCvmixlENAlrfA6hjJ2zn1w0ZZZ4FYGrub/6lPAhzg33Z5zdtwqMRG7reVoXLQdAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T22:51:11.331086Z","bundle_sha256":"0f78cb34c7d1a0a27e19c92d153f722940c18dcf71473d1ad826eec774aa5583"}}