{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:NQ4NQDCZYOD5GJAVV4XZAVP6XF","short_pith_number":"pith:NQ4NQDCZ","canonical_record":{"source":{"id":"1408.5197","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-08-22T03:32:27Z","cross_cats_sorted":[],"title_canon_sha256":"e40e4f654db3f41440ea27a9e4ab1e22006b34f68eb9505e7cbc700650e3418b","abstract_canon_sha256":"483915f691539148837dbff8b71c12191b8b2ae0a0570ab71ef2dc36ce0a7677"},"schema_version":"1.0"},"canonical_sha256":"6c38d80c59c387d32415af2f9055feb942bdf8026cbd5f08e5222661724042aa","source":{"kind":"arxiv","id":"1408.5197","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.5197","created_at":"2026-05-18T01:42:14Z"},{"alias_kind":"arxiv_version","alias_value":"1408.5197v1","created_at":"2026-05-18T01:42:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.5197","created_at":"2026-05-18T01:42:14Z"},{"alias_kind":"pith_short_12","alias_value":"NQ4NQDCZYOD5","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"NQ4NQDCZYOD5GJAV","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"NQ4NQDCZ","created_at":"2026-05-18T12:28:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:NQ4NQDCZYOD5GJAVV4XZAVP6XF","target":"record","payload":{"canonical_record":{"source":{"id":"1408.5197","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-08-22T03:32:27Z","cross_cats_sorted":[],"title_canon_sha256":"e40e4f654db3f41440ea27a9e4ab1e22006b34f68eb9505e7cbc700650e3418b","abstract_canon_sha256":"483915f691539148837dbff8b71c12191b8b2ae0a0570ab71ef2dc36ce0a7677"},"schema_version":"1.0"},"canonical_sha256":"6c38d80c59c387d32415af2f9055feb942bdf8026cbd5f08e5222661724042aa","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:42:14.026980Z","signature_b64":"Tj4Sty6TPb6s6mV8Bk03LZa+9CzkTOUSJQ62Y1stXyXiqWk+v7nNX7nZvg4smoW5yXee2bXk03o+0MtGhhFJDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6c38d80c59c387d32415af2f9055feb942bdf8026cbd5f08e5222661724042aa","last_reissued_at":"2026-05-18T01:42:14.026502Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:42:14.026502Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1408.5197","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":"2026-05-18T01:42:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sd1HOmJTwUiggpzlrOhMESYUZyMHTl/v8eMUHJj/EGaoRAV+RWTXatcoxlahIDUGaj2qI5v4Evn5zUoAlj8aDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T23:24:29.001058Z"},"content_sha256":"a07c2fe80203ff5fda15ae2f91a6feb54d7ffa2a1667afebb6a454d211c6aff3","schema_version":"1.0","event_id":"sha256:a07c2fe80203ff5fda15ae2f91a6feb54d7ffa2a1667afebb6a454d211c6aff3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:NQ4NQDCZYOD5GJAVV4XZAVP6XF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Chemical evolution of galaxies with radiation-driven dust wind","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Kenji Bekki, Takuji Tsujimoto","submitted_at":"2014-08-22T03:32:27Z","abstract_excerpt":"We discuss how the removal of interstellar dust by radiation pressure of stars influences the chemical evolution of galaxies by using a new one-zone chemical evolution models with dust wind. The removal efficiency of an element (e.g., Fe, Mg, and Ca) through radiation-driven dust wind in a galaxy is assumed to depend both on the dust depletion level of the element in interstellar medium and the total luminosity of the galaxy in the new model. We particularly focus on the time evolution of [alpha/Fe] and its dependence on model parameters for dust wind in this study. The principal results are a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.5197","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":"2026-05-18T01:42:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GNDvKn1el3CturW8HcGv58RlRxIxAfsM0gAFT8oyKP44Vr5sMOnocdRWbCZNbtfMAcRsKhlYpbnaBpb7LGbCAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T23:24:29.001412Z"},"content_sha256":"f610797b60bfb4f8f73a675b7a7ab8cfdde8086da78617b9b7343edccd313354","schema_version":"1.0","event_id":"sha256:f610797b60bfb4f8f73a675b7a7ab8cfdde8086da78617b9b7343edccd313354"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NQ4NQDCZYOD5GJAVV4XZAVP6XF/bundle.json","state_url":"https://pith.science/pith/NQ4NQDCZYOD5GJAVV4XZAVP6XF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NQ4NQDCZYOD5GJAVV4XZAVP6XF/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":"2026-06-08T23:24:29Z","links":{"resolver":"https://pith.science/pith/NQ4NQDCZYOD5GJAVV4XZAVP6XF","bundle":"https://pith.science/pith/NQ4NQDCZYOD5GJAVV4XZAVP6XF/bundle.json","state":"https://pith.science/pith/NQ4NQDCZYOD5GJAVV4XZAVP6XF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NQ4NQDCZYOD5GJAVV4XZAVP6XF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:NQ4NQDCZYOD5GJAVV4XZAVP6XF","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":"483915f691539148837dbff8b71c12191b8b2ae0a0570ab71ef2dc36ce0a7677","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-08-22T03:32:27Z","title_canon_sha256":"e40e4f654db3f41440ea27a9e4ab1e22006b34f68eb9505e7cbc700650e3418b"},"schema_version":"1.0","source":{"id":"1408.5197","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.5197","created_at":"2026-05-18T01:42:14Z"},{"alias_kind":"arxiv_version","alias_value":"1408.5197v1","created_at":"2026-05-18T01:42:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.5197","created_at":"2026-05-18T01:42:14Z"},{"alias_kind":"pith_short_12","alias_value":"NQ4NQDCZYOD5","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"NQ4NQDCZYOD5GJAV","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"NQ4NQDCZ","created_at":"2026-05-18T12:28:41Z"}],"graph_snapshots":[{"event_id":"sha256:f610797b60bfb4f8f73a675b7a7ab8cfdde8086da78617b9b7343edccd313354","target":"graph","created_at":"2026-05-18T01:42:14Z","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":"We discuss how the removal of interstellar dust by radiation pressure of stars influences the chemical evolution of galaxies by using a new one-zone chemical evolution models with dust wind. The removal efficiency of an element (e.g., Fe, Mg, and Ca) through radiation-driven dust wind in a galaxy is assumed to depend both on the dust depletion level of the element in interstellar medium and the total luminosity of the galaxy in the new model. We particularly focus on the time evolution of [alpha/Fe] and its dependence on model parameters for dust wind in this study. The principal results are a","authors_text":"Kenji Bekki, Takuji Tsujimoto","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-08-22T03:32:27Z","title":"Chemical evolution of galaxies with radiation-driven dust wind"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.5197","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:a07c2fe80203ff5fda15ae2f91a6feb54d7ffa2a1667afebb6a454d211c6aff3","target":"record","created_at":"2026-05-18T01:42:14Z","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":"483915f691539148837dbff8b71c12191b8b2ae0a0570ab71ef2dc36ce0a7677","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-08-22T03:32:27Z","title_canon_sha256":"e40e4f654db3f41440ea27a9e4ab1e22006b34f68eb9505e7cbc700650e3418b"},"schema_version":"1.0","source":{"id":"1408.5197","kind":"arxiv","version":1}},"canonical_sha256":"6c38d80c59c387d32415af2f9055feb942bdf8026cbd5f08e5222661724042aa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6c38d80c59c387d32415af2f9055feb942bdf8026cbd5f08e5222661724042aa","first_computed_at":"2026-05-18T01:42:14.026502Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:42:14.026502Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Tj4Sty6TPb6s6mV8Bk03LZa+9CzkTOUSJQ62Y1stXyXiqWk+v7nNX7nZvg4smoW5yXee2bXk03o+0MtGhhFJDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:42:14.026980Z","signed_message":"canonical_sha256_bytes"},"source_id":"1408.5197","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a07c2fe80203ff5fda15ae2f91a6feb54d7ffa2a1667afebb6a454d211c6aff3","sha256:f610797b60bfb4f8f73a675b7a7ab8cfdde8086da78617b9b7343edccd313354"],"state_sha256":"25c84fff1297419ee1f1fe2bd1ca073b9ebaa3a238780f99ccb84b67e66cd296"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Rn9pzX4r7q4NG66oXgre+1sLqHgMoDNYoSV6GzOIzvbNaVItS00aZHGynYZQCzgU3rQ1/nHzUpDB6Sk2FKk9CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T23:24:29.003233Z","bundle_sha256":"a6634bda8fba9a3219b9270b3873d0ca1b66045a73cf6947c7d3d05eceb61db3"}}