{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:MQH7EAWINZ24QHZPD2VFTMPI73","short_pith_number":"pith:MQH7EAWI","canonical_record":{"source":{"id":"1410.7391","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-10-27T20:00:10Z","cross_cats_sorted":[],"title_canon_sha256":"c1e622ea754ec0b79465dee1d5a7c9b09e22d4010cda014f7cf92816e42b7239","abstract_canon_sha256":"f5b6b3dcb7f9aa8b75c1975abb5ded642a69b3de8bbeece750c0d83e3e779119"},"schema_version":"1.0"},"canonical_sha256":"640ff202c86e75c81f2f1eaa59b1e8fee3c9c72031fa7ba312b92ac6304e3e2e","source":{"kind":"arxiv","id":"1410.7391","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.7391","created_at":"2026-05-18T01:41:39Z"},{"alias_kind":"arxiv_version","alias_value":"1410.7391v1","created_at":"2026-05-18T01:41:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.7391","created_at":"2026-05-18T01:41:39Z"},{"alias_kind":"pith_short_12","alias_value":"MQH7EAWINZ24","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_16","alias_value":"MQH7EAWINZ24QHZP","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_8","alias_value":"MQH7EAWI","created_at":"2026-05-18T12:28:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:MQH7EAWINZ24QHZPD2VFTMPI73","target":"record","payload":{"canonical_record":{"source":{"id":"1410.7391","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-10-27T20:00:10Z","cross_cats_sorted":[],"title_canon_sha256":"c1e622ea754ec0b79465dee1d5a7c9b09e22d4010cda014f7cf92816e42b7239","abstract_canon_sha256":"f5b6b3dcb7f9aa8b75c1975abb5ded642a69b3de8bbeece750c0d83e3e779119"},"schema_version":"1.0"},"canonical_sha256":"640ff202c86e75c81f2f1eaa59b1e8fee3c9c72031fa7ba312b92ac6304e3e2e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:41:39.552671Z","signature_b64":"qH8svLU3/CuZbZKTHuNLrgUEMgaszFlGpicKmnDQZmntZ8ayYNeyvcJ/HT2Kgrb/kUnXLfrkUganT5/HrDTmBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"640ff202c86e75c81f2f1eaa59b1e8fee3c9c72031fa7ba312b92ac6304e3e2e","last_reissued_at":"2026-05-18T01:41:39.552205Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:41:39.552205Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1410.7391","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":"2026-05-18T01:41:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ErZE+Uf6b7/0mrMnaXvmkjWZOzsmJzDRNEMjv+5LvsMY3/1IvACBl38tsy9nxYPyhLib99YZKM2XmlGqTxC6AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T10:30:26.379436Z"},"content_sha256":"42dd4c61a82651dc7ca96446659af86e675b2c5f5188d7d52d045fb12d613b4b","schema_version":"1.0","event_id":"sha256:42dd4c61a82651dc7ca96446659af86e675b2c5f5188d7d52d045fb12d613b4b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:MQH7EAWINZ24QHZPD2VFTMPI73","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The metallicity of galactic winds","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Peter Creasey, Richard G. Bower, Tom Theuns","submitted_at":"2014-10-27T20:00:10Z","abstract_excerpt":"The abundance evolution of galaxies depends critically on the balance between the mixing of metals in their interstellar medium, the inflow of new gas and the outflow of enriched gas. We study these processes in gas columns perpendicular to a galactic disk using sub-parsec resolution simulations that track stellar ejecta with the Flash code. We model a simplified interstellar medium stirred and enriched by supernovae and their progenitors. We vary the density distribution of the gas column and integrate our results over an exponential disk to predict wind and ISM enrichment properties for disk"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.7391","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":"2026-05-18T01:41:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9ALzBRuH5I6eYCwdNG/z7MePMAMWy1zpcvQrBhdnHvsiyIe+H0ASvl8Ki3liWJTRruwq8CRLrKdGM2S0oIc/AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T10:30:26.380123Z"},"content_sha256":"24d1856e0bd97abea591c9c6dea62ce7966cd3a8028de0c96e079d90c673e9e7","schema_version":"1.0","event_id":"sha256:24d1856e0bd97abea591c9c6dea62ce7966cd3a8028de0c96e079d90c673e9e7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MQH7EAWINZ24QHZPD2VFTMPI73/bundle.json","state_url":"https://pith.science/pith/MQH7EAWINZ24QHZPD2VFTMPI73/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MQH7EAWINZ24QHZPD2VFTMPI73/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":"2026-06-09T10:30:26Z","links":{"resolver":"https://pith.science/pith/MQH7EAWINZ24QHZPD2VFTMPI73","bundle":"https://pith.science/pith/MQH7EAWINZ24QHZPD2VFTMPI73/bundle.json","state":"https://pith.science/pith/MQH7EAWINZ24QHZPD2VFTMPI73/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MQH7EAWINZ24QHZPD2VFTMPI73/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:MQH7EAWINZ24QHZPD2VFTMPI73","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":"f5b6b3dcb7f9aa8b75c1975abb5ded642a69b3de8bbeece750c0d83e3e779119","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-10-27T20:00:10Z","title_canon_sha256":"c1e622ea754ec0b79465dee1d5a7c9b09e22d4010cda014f7cf92816e42b7239"},"schema_version":"1.0","source":{"id":"1410.7391","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.7391","created_at":"2026-05-18T01:41:39Z"},{"alias_kind":"arxiv_version","alias_value":"1410.7391v1","created_at":"2026-05-18T01:41:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.7391","created_at":"2026-05-18T01:41:39Z"},{"alias_kind":"pith_short_12","alias_value":"MQH7EAWINZ24","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_16","alias_value":"MQH7EAWINZ24QHZP","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_8","alias_value":"MQH7EAWI","created_at":"2026-05-18T12:28:38Z"}],"graph_snapshots":[{"event_id":"sha256:24d1856e0bd97abea591c9c6dea62ce7966cd3a8028de0c96e079d90c673e9e7","target":"graph","created_at":"2026-05-18T01:41:39Z","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 abundance evolution of galaxies depends critically on the balance between the mixing of metals in their interstellar medium, the inflow of new gas and the outflow of enriched gas. We study these processes in gas columns perpendicular to a galactic disk using sub-parsec resolution simulations that track stellar ejecta with the Flash code. We model a simplified interstellar medium stirred and enriched by supernovae and their progenitors. We vary the density distribution of the gas column and integrate our results over an exponential disk to predict wind and ISM enrichment properties for disk","authors_text":"Peter Creasey, Richard G. Bower, Tom Theuns","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-10-27T20:00:10Z","title":"The metallicity of galactic winds"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.7391","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":"sha256:42dd4c61a82651dc7ca96446659af86e675b2c5f5188d7d52d045fb12d613b4b","target":"record","created_at":"2026-05-18T01:41:39Z","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":"f5b6b3dcb7f9aa8b75c1975abb5ded642a69b3de8bbeece750c0d83e3e779119","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-10-27T20:00:10Z","title_canon_sha256":"c1e622ea754ec0b79465dee1d5a7c9b09e22d4010cda014f7cf92816e42b7239"},"schema_version":"1.0","source":{"id":"1410.7391","kind":"arxiv","version":1}},"canonical_sha256":"640ff202c86e75c81f2f1eaa59b1e8fee3c9c72031fa7ba312b92ac6304e3e2e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"640ff202c86e75c81f2f1eaa59b1e8fee3c9c72031fa7ba312b92ac6304e3e2e","first_computed_at":"2026-05-18T01:41:39.552205Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:41:39.552205Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qH8svLU3/CuZbZKTHuNLrgUEMgaszFlGpicKmnDQZmntZ8ayYNeyvcJ/HT2Kgrb/kUnXLfrkUganT5/HrDTmBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:41:39.552671Z","signed_message":"canonical_sha256_bytes"},"source_id":"1410.7391","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:42dd4c61a82651dc7ca96446659af86e675b2c5f5188d7d52d045fb12d613b4b","sha256:24d1856e0bd97abea591c9c6dea62ce7966cd3a8028de0c96e079d90c673e9e7"],"state_sha256":"29622a6002cc6c2ece0743e26f8a892ff2852db7abc2baa3b354bdacf00c9ab6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ojrTN/GZYHNYJdFAIVNnnrPV+HjdxbiegstbW7MmIGPVAqpk4HRo/dyTTH2UxSd5cHg9ur5jPHihr2a7TNsoBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T10:30:26.385405Z","bundle_sha256":"565b2901418539754deb05e7c759633bbb0518eba35d28814073c0e2705f0138"}}