{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:Z4C7LWRIX322IA7Y6YHPH72576","short_pith_number":"pith:Z4C7LWRI","canonical_record":{"source":{"id":"2401.13824","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-01-24T21:52:06Z","cross_cats_sorted":[],"title_canon_sha256":"f8dfb00f69ab6bcf43c596593de91e7b3fb1fa1a8a06b1a2547deec69aec9d62","abstract_canon_sha256":"177405c2e6475b67d11380495cc8078e96cb8ff000efc1bf2344d1626d8e5b92"},"schema_version":"1.0"},"canonical_sha256":"cf05f5da28bef5a403f8f60ef3ff5dffb82f54b927ee13e265ee891643f9ff9f","source":{"kind":"arxiv","id":"2401.13824","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2401.13824","created_at":"2026-07-05T07:37:17Z"},{"alias_kind":"arxiv_version","alias_value":"2401.13824v1","created_at":"2026-07-05T07:37:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2401.13824","created_at":"2026-07-05T07:37:17Z"},{"alias_kind":"pith_short_12","alias_value":"Z4C7LWRIX322","created_at":"2026-07-05T07:37:17Z"},{"alias_kind":"pith_short_16","alias_value":"Z4C7LWRIX322IA7Y","created_at":"2026-07-05T07:37:17Z"},{"alias_kind":"pith_short_8","alias_value":"Z4C7LWRI","created_at":"2026-07-05T07:37:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:Z4C7LWRIX322IA7Y6YHPH72576","target":"record","payload":{"canonical_record":{"source":{"id":"2401.13824","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-01-24T21:52:06Z","cross_cats_sorted":[],"title_canon_sha256":"f8dfb00f69ab6bcf43c596593de91e7b3fb1fa1a8a06b1a2547deec69aec9d62","abstract_canon_sha256":"177405c2e6475b67d11380495cc8078e96cb8ff000efc1bf2344d1626d8e5b92"},"schema_version":"1.0"},"canonical_sha256":"cf05f5da28bef5a403f8f60ef3ff5dffb82f54b927ee13e265ee891643f9ff9f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:37:17.968435Z","signature_b64":"z5R2Bq0sgH3g/P2vjr+7npHUG776o0U0fGO42LGLhgL5BMZvxlaz1YvH4S1TpJriTr9zO0veZQ41ltCnVrxTBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cf05f5da28bef5a403f8f60ef3ff5dffb82f54b927ee13e265ee891643f9ff9f","last_reissued_at":"2026-07-05T07:37:17.968028Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:37:17.968028Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2401.13824","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":"2026-07-05T07:37:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ex8f6yi8yaNrlf89TPipv48d+GJIsgl5WOjnZVJELFTzeamZQ9e8J2JA9sjK7fU9FYRKxtJ1Vl19LeZSJZCjBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T05:55:30.664144Z"},"content_sha256":"04cc23e9859f02f9628e09a8dc0668140d72597c5d1f80a4b5220428694c116b","schema_version":"1.0","event_id":"sha256:04cc23e9859f02f9628e09a8dc0668140d72597c5d1f80a4b5220428694c116b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:Z4C7LWRIX322IA7Y6YHPH72576","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Inflow and outflow properties, not total gas fractions, drive the evolution of the mass-metallicity relation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Claude-Andr\\'e Faucher-Gigu\\`ere, Elia Cenci, Jindra Gensior, Jorge Moreno, Lichen Liang, Luigi Bassini, Mauro Bernardini, Robert Feldmann","submitted_at":"2024-01-24T21:52:06Z","abstract_excerpt":"Observations show a tight correlation between the stellar mass of galaxies and their gas-phase metallicity (MZR). This relation evolves with redshift, with higher-redshift galaxies being characterized by lower metallicities. Understanding the physical origin of the slope and redshift evolution of the MZR may provide important insight into the physical processes underpinning it: star formation, feedback, and cosmological inflows. While theoretical models ascribe the shape of the MZR to the lower efficiency of galactic outflows in more massive galaxies, what drives its evolution remains an open "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2401.13824","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/2401.13824/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":"2026-07-05T07:37:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IHtVQU8fRXGMB5zOQ5ozvb/GCbV51pdh885kIwRtpaa3uL+lb4tDPhShvvrV+2vhVn7Z+fcWJhTTuoaWCdGXBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T05:55:30.665064Z"},"content_sha256":"589a86a592594cac9c741ed165b58c3bfbb3f7c4143c44ea59bd02da8f717300","schema_version":"1.0","event_id":"sha256:589a86a592594cac9c741ed165b58c3bfbb3f7c4143c44ea59bd02da8f717300"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Z4C7LWRIX322IA7Y6YHPH72576/bundle.json","state_url":"https://pith.science/pith/Z4C7LWRIX322IA7Y6YHPH72576/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Z4C7LWRIX322IA7Y6YHPH72576/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":"2026-08-06T05:55:30Z","links":{"resolver":"https://pith.science/pith/Z4C7LWRIX322IA7Y6YHPH72576","bundle":"https://pith.science/pith/Z4C7LWRIX322IA7Y6YHPH72576/bundle.json","state":"https://pith.science/pith/Z4C7LWRIX322IA7Y6YHPH72576/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Z4C7LWRIX322IA7Y6YHPH72576/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:Z4C7LWRIX322IA7Y6YHPH72576","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":"177405c2e6475b67d11380495cc8078e96cb8ff000efc1bf2344d1626d8e5b92","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-01-24T21:52:06Z","title_canon_sha256":"f8dfb00f69ab6bcf43c596593de91e7b3fb1fa1a8a06b1a2547deec69aec9d62"},"schema_version":"1.0","source":{"id":"2401.13824","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2401.13824","created_at":"2026-07-05T07:37:17Z"},{"alias_kind":"arxiv_version","alias_value":"2401.13824v1","created_at":"2026-07-05T07:37:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2401.13824","created_at":"2026-07-05T07:37:17Z"},{"alias_kind":"pith_short_12","alias_value":"Z4C7LWRIX322","created_at":"2026-07-05T07:37:17Z"},{"alias_kind":"pith_short_16","alias_value":"Z4C7LWRIX322IA7Y","created_at":"2026-07-05T07:37:17Z"},{"alias_kind":"pith_short_8","alias_value":"Z4C7LWRI","created_at":"2026-07-05T07:37:17Z"}],"graph_snapshots":[{"event_id":"sha256:589a86a592594cac9c741ed165b58c3bfbb3f7c4143c44ea59bd02da8f717300","target":"graph","created_at":"2026-07-05T07:37:17Z","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/2401.13824/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Observations show a tight correlation between the stellar mass of galaxies and their gas-phase metallicity (MZR). This relation evolves with redshift, with higher-redshift galaxies being characterized by lower metallicities. Understanding the physical origin of the slope and redshift evolution of the MZR may provide important insight into the physical processes underpinning it: star formation, feedback, and cosmological inflows. While theoretical models ascribe the shape of the MZR to the lower efficiency of galactic outflows in more massive galaxies, what drives its evolution remains an open ","authors_text":"Claude-Andr\\'e Faucher-Gigu\\`ere, Elia Cenci, Jindra Gensior, Jorge Moreno, Lichen Liang, Luigi Bassini, Mauro Bernardini, Robert Feldmann","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-01-24T21:52:06Z","title":"Inflow and outflow properties, not total gas fractions, drive the evolution of the mass-metallicity relation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2401.13824","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":"sha256:04cc23e9859f02f9628e09a8dc0668140d72597c5d1f80a4b5220428694c116b","target":"record","created_at":"2026-07-05T07:37:17Z","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":"177405c2e6475b67d11380495cc8078e96cb8ff000efc1bf2344d1626d8e5b92","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-01-24T21:52:06Z","title_canon_sha256":"f8dfb00f69ab6bcf43c596593de91e7b3fb1fa1a8a06b1a2547deec69aec9d62"},"schema_version":"1.0","source":{"id":"2401.13824","kind":"arxiv","version":1}},"canonical_sha256":"cf05f5da28bef5a403f8f60ef3ff5dffb82f54b927ee13e265ee891643f9ff9f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cf05f5da28bef5a403f8f60ef3ff5dffb82f54b927ee13e265ee891643f9ff9f","first_computed_at":"2026-07-05T07:37:17.968028Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:37:17.968028Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"z5R2Bq0sgH3g/P2vjr+7npHUG776o0U0fGO42LGLhgL5BMZvxlaz1YvH4S1TpJriTr9zO0veZQ41ltCnVrxTBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T07:37:17.968435Z","signed_message":"canonical_sha256_bytes"},"source_id":"2401.13824","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:04cc23e9859f02f9628e09a8dc0668140d72597c5d1f80a4b5220428694c116b","sha256:589a86a592594cac9c741ed165b58c3bfbb3f7c4143c44ea59bd02da8f717300"],"state_sha256":"aa5cf8e3a378040f0c8a0686dbf1b1aeaeb226b9baa03cf335230ed75beb92f5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1hqKwuPVAUXETE9WZnxT1CGCuCm5IV24eBe/pQSldB4Pp/k1SLYNkoUJ2blI4PsBxCXLc0d8+WnyWquuyzzQCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T05:55:30.671924Z","bundle_sha256":"117d58905f27f6a5ded7a110da0abbdccaba5b7cc04a6cf96faf4827ef8f25cb"}}