{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:6NKX7V7XV2VAJIG5VDDPCTBF24","short_pith_number":"pith:6NKX7V7X","canonical_record":{"source":{"id":"2606.25995","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-06-24T16:07:47Z","cross_cats_sorted":["astro-ph.CO","astro-ph.SR"],"title_canon_sha256":"9aa8062aba70fe15dbad0ecf2f5452965be23405ac4042c1dc98dab1a8500c2e","abstract_canon_sha256":"3ed19b3a24de7d0b8d4efb1f2b5f18623de2ee34e7a47887a105204cb0df47dd"},"schema_version":"1.0"},"canonical_sha256":"f3557fd7f7aeaa04a0dda8c6f14c25d708c637f04250a2db151d50f7f892e238","source":{"kind":"arxiv","id":"2606.25995","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.25995","created_at":"2026-06-25T01:18:45Z"},{"alias_kind":"arxiv_version","alias_value":"2606.25995v1","created_at":"2026-06-25T01:18:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.25995","created_at":"2026-06-25T01:18:45Z"},{"alias_kind":"pith_short_12","alias_value":"6NKX7V7XV2VA","created_at":"2026-06-25T01:18:45Z"},{"alias_kind":"pith_short_16","alias_value":"6NKX7V7XV2VAJIG5","created_at":"2026-06-25T01:18:45Z"},{"alias_kind":"pith_short_8","alias_value":"6NKX7V7X","created_at":"2026-06-25T01:18:45Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:6NKX7V7XV2VAJIG5VDDPCTBF24","target":"record","payload":{"canonical_record":{"source":{"id":"2606.25995","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-06-24T16:07:47Z","cross_cats_sorted":["astro-ph.CO","astro-ph.SR"],"title_canon_sha256":"9aa8062aba70fe15dbad0ecf2f5452965be23405ac4042c1dc98dab1a8500c2e","abstract_canon_sha256":"3ed19b3a24de7d0b8d4efb1f2b5f18623de2ee34e7a47887a105204cb0df47dd"},"schema_version":"1.0"},"canonical_sha256":"f3557fd7f7aeaa04a0dda8c6f14c25d708c637f04250a2db151d50f7f892e238","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-25T01:18:45.251619Z","signature_b64":"o9gWKdyYXVnGx6DYpEwfelMOFCtrYnwySXvlgdo/h8Wv4iLTIjDmd/fKus2q7OKDJg0XM0zfj0ogOzudVSXMCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f3557fd7f7aeaa04a0dda8c6f14c25d708c637f04250a2db151d50f7f892e238","last_reissued_at":"2026-06-25T01:18:45.251243Z","signature_status":"signed_v1","first_computed_at":"2026-06-25T01:18:45.251243Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.25995","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":"2026-06-25T01:18:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oMwYwZuJXbtV4/679w/vc6zH3SfiLc33bEM9eiNxOUczi3tmR2gh7o7L4RicHKohXDbfi1EF3wiKNZ0cZL8xBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T15:55:43.082829Z"},"content_sha256":"da2c1e0fb2e64c95c0a6995c0086f96eb52d7f9e72948a6db6bc5a846578f515","schema_version":"1.0","event_id":"sha256:da2c1e0fb2e64c95c0a6995c0086f96eb52d7f9e72948a6db6bc5a846578f515"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:6NKX7V7XV2VAJIG5VDDPCTBF24","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The evolution of the galaxy gas-phase mass-metallicity relation from $z=15$ to $z=0$ in the COLIBRE cosmological simulations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"Alejandro Ben\\'itez-Llambay, Alexander J. Richings, Carlos S. Frenk, Evgenii Chaikin, Filip Hu\\v{s}ko, Jacqueline Hodge, Joop Schaye, Matthieu Schaller, Piyush Sharda, Robert J. McGibbon, Sylvia Ploeckinger","submitted_at":"2026-06-24T16:07:47Z","abstract_excerpt":"We present the evolution of the galaxy gas-phase mass-metallicity relation (MZR) from $z=15$ to $z=0$ in the COLIBRE cosmological hydrodynamical simulations. Amongst other novel features, COLIBRE follows the multiphase interstellar medium with gas allowed to cool to $\\sim 10\\,\\mathrm{K}$, and includes a new chemistry model in which hydrogen and helium are tracked in non-equilibrium, metals are allowed to mix and diffuse, and the chemical network is coupled to a self-consistent live dust model. Using fiducial COLIBRE runs spanning particle masses from $10^5\\,\\mathrm{M_{\\odot}}$ to $10^7\\,\\mathr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.25995","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/2606.25995/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":"2026-06-25T01:18:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oYAGw65T8ZFrmuKpBgYuK75EVOG8KzB6TNy7O+KOsL75eH3DmH5sekShytDRp7VKq1WIGU781ea31F12RltXCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T15:55:43.083261Z"},"content_sha256":"83cd54f57ab9017f5ca32a30d24f16649f7556c1759854b4194c9d6d0891537c","schema_version":"1.0","event_id":"sha256:83cd54f57ab9017f5ca32a30d24f16649f7556c1759854b4194c9d6d0891537c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6NKX7V7XV2VAJIG5VDDPCTBF24/bundle.json","state_url":"https://pith.science/pith/6NKX7V7XV2VAJIG5VDDPCTBF24/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6NKX7V7XV2VAJIG5VDDPCTBF24/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":"2026-06-26T15:55:43Z","links":{"resolver":"https://pith.science/pith/6NKX7V7XV2VAJIG5VDDPCTBF24","bundle":"https://pith.science/pith/6NKX7V7XV2VAJIG5VDDPCTBF24/bundle.json","state":"https://pith.science/pith/6NKX7V7XV2VAJIG5VDDPCTBF24/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6NKX7V7XV2VAJIG5VDDPCTBF24/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:6NKX7V7XV2VAJIG5VDDPCTBF24","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":"3ed19b3a24de7d0b8d4efb1f2b5f18623de2ee34e7a47887a105204cb0df47dd","cross_cats_sorted":["astro-ph.CO","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-06-24T16:07:47Z","title_canon_sha256":"9aa8062aba70fe15dbad0ecf2f5452965be23405ac4042c1dc98dab1a8500c2e"},"schema_version":"1.0","source":{"id":"2606.25995","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.25995","created_at":"2026-06-25T01:18:45Z"},{"alias_kind":"arxiv_version","alias_value":"2606.25995v1","created_at":"2026-06-25T01:18:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.25995","created_at":"2026-06-25T01:18:45Z"},{"alias_kind":"pith_short_12","alias_value":"6NKX7V7XV2VA","created_at":"2026-06-25T01:18:45Z"},{"alias_kind":"pith_short_16","alias_value":"6NKX7V7XV2VAJIG5","created_at":"2026-06-25T01:18:45Z"},{"alias_kind":"pith_short_8","alias_value":"6NKX7V7X","created_at":"2026-06-25T01:18:45Z"}],"graph_snapshots":[{"event_id":"sha256:83cd54f57ab9017f5ca32a30d24f16649f7556c1759854b4194c9d6d0891537c","target":"graph","created_at":"2026-06-25T01:18:45Z","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/2606.25995/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present the evolution of the galaxy gas-phase mass-metallicity relation (MZR) from $z=15$ to $z=0$ in the COLIBRE cosmological hydrodynamical simulations. Amongst other novel features, COLIBRE follows the multiphase interstellar medium with gas allowed to cool to $\\sim 10\\,\\mathrm{K}$, and includes a new chemistry model in which hydrogen and helium are tracked in non-equilibrium, metals are allowed to mix and diffuse, and the chemical network is coupled to a self-consistent live dust model. Using fiducial COLIBRE runs spanning particle masses from $10^5\\,\\mathrm{M_{\\odot}}$ to $10^7\\,\\mathr","authors_text":"Alejandro Ben\\'itez-Llambay, Alexander J. Richings, Carlos S. Frenk, Evgenii Chaikin, Filip Hu\\v{s}ko, Jacqueline Hodge, Joop Schaye, Matthieu Schaller, Piyush Sharda, Robert J. McGibbon, Sylvia Ploeckinger","cross_cats":["astro-ph.CO","astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-06-24T16:07:47Z","title":"The evolution of the galaxy gas-phase mass-metallicity relation from $z=15$ to $z=0$ in the COLIBRE cosmological simulations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.25995","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:da2c1e0fb2e64c95c0a6995c0086f96eb52d7f9e72948a6db6bc5a846578f515","target":"record","created_at":"2026-06-25T01:18:45Z","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":"3ed19b3a24de7d0b8d4efb1f2b5f18623de2ee34e7a47887a105204cb0df47dd","cross_cats_sorted":["astro-ph.CO","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-06-24T16:07:47Z","title_canon_sha256":"9aa8062aba70fe15dbad0ecf2f5452965be23405ac4042c1dc98dab1a8500c2e"},"schema_version":"1.0","source":{"id":"2606.25995","kind":"arxiv","version":1}},"canonical_sha256":"f3557fd7f7aeaa04a0dda8c6f14c25d708c637f04250a2db151d50f7f892e238","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f3557fd7f7aeaa04a0dda8c6f14c25d708c637f04250a2db151d50f7f892e238","first_computed_at":"2026-06-25T01:18:45.251243Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-25T01:18:45.251243Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"o9gWKdyYXVnGx6DYpEwfelMOFCtrYnwySXvlgdo/h8Wv4iLTIjDmd/fKus2q7OKDJg0XM0zfj0ogOzudVSXMCA==","signature_status":"signed_v1","signed_at":"2026-06-25T01:18:45.251619Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.25995","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:da2c1e0fb2e64c95c0a6995c0086f96eb52d7f9e72948a6db6bc5a846578f515","sha256:83cd54f57ab9017f5ca32a30d24f16649f7556c1759854b4194c9d6d0891537c"],"state_sha256":"a9527d4a3b7f00f6683c256da123ab0f963f7bcdc89684c23a7e7dd03bd037b6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TVwr+U+PTK3qnTWqJ4UUGWspT3kTU+ZEC+oks5iS5K6szRuDMqcK2HxHtDAma4HmBfV+8lfKaqlNC/3igb8EBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-26T15:55:43.085867Z","bundle_sha256":"21ee43b506cf21fe04442cad4b68769fbc22a69377073963a7427e2a51cd2b0c"}}