{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:44D3TRLQ3KEU2OQWO72SBMMVRZ","short_pith_number":"pith:44D3TRLQ","canonical_record":{"source":{"id":"2603.08504","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-03-09T15:36:38Z","cross_cats_sorted":[],"title_canon_sha256":"b7517054bc791774180c84016afbf307786aceb03a96020986caaed7384674bd","abstract_canon_sha256":"8a65da9d2de7f58ad1489e23c9983b903bcd559242a7f7776b3b587dba4d495d"},"schema_version":"1.0"},"canonical_sha256":"e707b9c570da894d3a1677f520b1958e6572f7ca329db9a431a7f0115308c34a","source":{"kind":"arxiv","id":"2603.08504","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2603.08504","created_at":"2026-06-24T14:15:56Z"},{"alias_kind":"arxiv_version","alias_value":"2603.08504v1","created_at":"2026-06-24T14:15:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2603.08504","created_at":"2026-06-24T14:15:56Z"},{"alias_kind":"pith_short_12","alias_value":"44D3TRLQ3KEU","created_at":"2026-06-24T14:15:56Z"},{"alias_kind":"pith_short_16","alias_value":"44D3TRLQ3KEU2OQW","created_at":"2026-06-24T14:15:56Z"},{"alias_kind":"pith_short_8","alias_value":"44D3TRLQ","created_at":"2026-06-24T14:15:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:44D3TRLQ3KEU2OQWO72SBMMVRZ","target":"record","payload":{"canonical_record":{"source":{"id":"2603.08504","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-03-09T15:36:38Z","cross_cats_sorted":[],"title_canon_sha256":"b7517054bc791774180c84016afbf307786aceb03a96020986caaed7384674bd","abstract_canon_sha256":"8a65da9d2de7f58ad1489e23c9983b903bcd559242a7f7776b3b587dba4d495d"},"schema_version":"1.0"},"canonical_sha256":"e707b9c570da894d3a1677f520b1958e6572f7ca329db9a431a7f0115308c34a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-24T14:15:56.182696Z","signature_b64":"EE065Yl9E/iPrE7mOrwv8LhYOOGdZ2Q1u+z8myIk63iO6XE3diixn0PgjPcyE4V8z9JW56Yi34cI+MHVGGv/Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e707b9c570da894d3a1677f520b1958e6572f7ca329db9a431a7f0115308c34a","last_reissued_at":"2026-06-24T14:15:56.182154Z","signature_status":"signed_v1","first_computed_at":"2026-06-24T14:15:56.182154Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2603.08504","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":"2026-06-24T14:15:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HiGlusu+Qb8tTpyp4Skl0DsQCUrL7FcXU/wZ/X6DwxQP+CEGH+MkS0yCJ1b7tAFtmcfiNPZESD64BDgLkwQxBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T21:46:57.492359Z"},"content_sha256":"593126aa8fff671fac3728e4a7238ed73d8de10669d747674f241b0aaa225c4b","schema_version":"1.0","event_id":"sha256:593126aa8fff671fac3728e4a7238ed73d8de10669d747674f241b0aaa225c4b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:44D3TRLQ3KEU2OQWO72SBMMVRZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ashes of FIRE: Modeling Dust Grain Size Evolution in the Local Group with FIRE","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Caleb R. Choban, Du\\v{s}an Kere\\v{s}, Julia Roman-Duval, Karin M. Sandstrom, Samir Salim","submitted_at":"2026-03-09T15:36:38Z","abstract_excerpt":"We introduce a new, discretized grain size evolution model, incorporated into the GIZMO code and coupled with FIRE-3 stellar feedback and ISM physics, to investigate variations in dust abundance, chemical composition, and grain sizes observed in the Local Group. This model tracks the size evolution of specific dust species, and includes stellar production of dust, dust growth through gas-phase metal accretion, dust destruction by sputtering, SNe shocks, and astration, grain-grain collisional shattering and coagulation, and turbulent dust diffusion. Using idealized galaxy simulations, we test t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2603.08504","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2603.08504/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-06-24T14:15:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5MjZ5CfMqiazEnVvZfnC8o1WNnFFdRVSGQW5MDl3EghotIxYCK35cO8u41b/aZUVN3Oxuz6ygg8lK98hE+hVAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T21:46:57.492730Z"},"content_sha256":"907659afd32ce2c70e743dc3bbb40c71f72270322ab5bb13dab615b559416a97","schema_version":"1.0","event_id":"sha256:907659afd32ce2c70e743dc3bbb40c71f72270322ab5bb13dab615b559416a97"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/44D3TRLQ3KEU2OQWO72SBMMVRZ/bundle.json","state_url":"https://pith.science/pith/44D3TRLQ3KEU2OQWO72SBMMVRZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/44D3TRLQ3KEU2OQWO72SBMMVRZ/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":"2026-06-26T21:46:57Z","links":{"resolver":"https://pith.science/pith/44D3TRLQ3KEU2OQWO72SBMMVRZ","bundle":"https://pith.science/pith/44D3TRLQ3KEU2OQWO72SBMMVRZ/bundle.json","state":"https://pith.science/pith/44D3TRLQ3KEU2OQWO72SBMMVRZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/44D3TRLQ3KEU2OQWO72SBMMVRZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:44D3TRLQ3KEU2OQWO72SBMMVRZ","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":"8a65da9d2de7f58ad1489e23c9983b903bcd559242a7f7776b3b587dba4d495d","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-03-09T15:36:38Z","title_canon_sha256":"b7517054bc791774180c84016afbf307786aceb03a96020986caaed7384674bd"},"schema_version":"1.0","source":{"id":"2603.08504","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2603.08504","created_at":"2026-06-24T14:15:56Z"},{"alias_kind":"arxiv_version","alias_value":"2603.08504v1","created_at":"2026-06-24T14:15:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2603.08504","created_at":"2026-06-24T14:15:56Z"},{"alias_kind":"pith_short_12","alias_value":"44D3TRLQ3KEU","created_at":"2026-06-24T14:15:56Z"},{"alias_kind":"pith_short_16","alias_value":"44D3TRLQ3KEU2OQW","created_at":"2026-06-24T14:15:56Z"},{"alias_kind":"pith_short_8","alias_value":"44D3TRLQ","created_at":"2026-06-24T14:15:56Z"}],"graph_snapshots":[{"event_id":"sha256:907659afd32ce2c70e743dc3bbb40c71f72270322ab5bb13dab615b559416a97","target":"graph","created_at":"2026-06-24T14:15:56Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2603.08504/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We introduce a new, discretized grain size evolution model, incorporated into the GIZMO code and coupled with FIRE-3 stellar feedback and ISM physics, to investigate variations in dust abundance, chemical composition, and grain sizes observed in the Local Group. This model tracks the size evolution of specific dust species, and includes stellar production of dust, dust growth through gas-phase metal accretion, dust destruction by sputtering, SNe shocks, and astration, grain-grain collisional shattering and coagulation, and turbulent dust diffusion. Using idealized galaxy simulations, we test t","authors_text":"Caleb R. Choban, Du\\v{s}an Kere\\v{s}, Julia Roman-Duval, Karin M. Sandstrom, Samir Salim","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-03-09T15:36:38Z","title":"Ashes of FIRE: Modeling Dust Grain Size Evolution in the Local Group with FIRE"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2603.08504","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":"sha256:593126aa8fff671fac3728e4a7238ed73d8de10669d747674f241b0aaa225c4b","target":"record","created_at":"2026-06-24T14:15:56Z","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":"8a65da9d2de7f58ad1489e23c9983b903bcd559242a7f7776b3b587dba4d495d","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-03-09T15:36:38Z","title_canon_sha256":"b7517054bc791774180c84016afbf307786aceb03a96020986caaed7384674bd"},"schema_version":"1.0","source":{"id":"2603.08504","kind":"arxiv","version":1}},"canonical_sha256":"e707b9c570da894d3a1677f520b1958e6572f7ca329db9a431a7f0115308c34a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e707b9c570da894d3a1677f520b1958e6572f7ca329db9a431a7f0115308c34a","first_computed_at":"2026-06-24T14:15:56.182154Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-24T14:15:56.182154Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EE065Yl9E/iPrE7mOrwv8LhYOOGdZ2Q1u+z8myIk63iO6XE3diixn0PgjPcyE4V8z9JW56Yi34cI+MHVGGv/Ag==","signature_status":"signed_v1","signed_at":"2026-06-24T14:15:56.182696Z","signed_message":"canonical_sha256_bytes"},"source_id":"2603.08504","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:593126aa8fff671fac3728e4a7238ed73d8de10669d747674f241b0aaa225c4b","sha256:907659afd32ce2c70e743dc3bbb40c71f72270322ab5bb13dab615b559416a97"],"state_sha256":"4316c927c8db1835c95d5691026b93a365712a9c09d24dea1095200791f8431e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D6f9ZcUGdCjhb4qj3QGO1AW8WhmCVYO96yTyoeeSgXf0qIjT5wmxFxqGLYQKb8TDh9jNuVOE9TszvH8FE3nYBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-26T21:46:57.494728Z","bundle_sha256":"2ed2cd5646c0a0c56f433965d900f6326a5e4a2b3b46c1f23e8cc8e6e7acc8c0"}}