{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:EAX2U6WL3BE2D7HWNM5RKMKEWU","short_pith_number":"pith:EAX2U6WL","canonical_record":{"source":{"id":"1607.00014","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-06-30T20:00:24Z","cross_cats_sorted":[],"title_canon_sha256":"66d1435abfcdd2be3eb59707c76256605f70be1a6faad461930a2afb442e0a01","abstract_canon_sha256":"0451e42357bbef061441c87c180d25ae778b890e57f6c889bbaf049f52391d23"},"schema_version":"1.0"},"canonical_sha256":"202faa7acbd849a1fcf66b3b153144b523eba83993b22c241add273d89607f3e","source":{"kind":"arxiv","id":"1607.00014","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.00014","created_at":"2026-05-18T01:10:28Z"},{"alias_kind":"arxiv_version","alias_value":"1607.00014v1","created_at":"2026-05-18T01:10:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.00014","created_at":"2026-05-18T01:10:28Z"},{"alias_kind":"pith_short_12","alias_value":"EAX2U6WL3BE2","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_16","alias_value":"EAX2U6WL3BE2D7HW","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_8","alias_value":"EAX2U6WL","created_at":"2026-05-18T12:30:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:EAX2U6WL3BE2D7HWNM5RKMKEWU","target":"record","payload":{"canonical_record":{"source":{"id":"1607.00014","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-06-30T20:00:24Z","cross_cats_sorted":[],"title_canon_sha256":"66d1435abfcdd2be3eb59707c76256605f70be1a6faad461930a2afb442e0a01","abstract_canon_sha256":"0451e42357bbef061441c87c180d25ae778b890e57f6c889bbaf049f52391d23"},"schema_version":"1.0"},"canonical_sha256":"202faa7acbd849a1fcf66b3b153144b523eba83993b22c241add273d89607f3e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:10:28.750353Z","signature_b64":"8kwtRqTa0TDBkmtQ0ahv7ERhuSJXXGthK/qMh85fMsi26npTS1aOa5vm3Is9gVY1mICK3kowopPHNLH7Pd5CAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"202faa7acbd849a1fcf66b3b153144b523eba83993b22c241add273d89607f3e","last_reissued_at":"2026-05-18T01:10:28.749838Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:10:28.749838Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1607.00014","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":"2026-05-18T01:10:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QZVtot+KYAXlG31eY2XN4s+5YopPLZbgDYlQ8RuK7bGdquMG6uOpNqj0sZhvNorFXnnYGACz/KS4cIqX9wh1CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T04:14:30.518465Z"},"content_sha256":"1b40044f728c070e7cd8e45480b95cdbd41d9d35630738ad210c34ecd6902d4f","schema_version":"1.0","event_id":"sha256:1b40044f728c070e7cd8e45480b95cdbd41d9d35630738ad210c34ecd6902d4f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:EAX2U6WL3BE2D7HWNM5RKMKEWU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Cold-Mode Accretion: Driving the Fundamental Mass-Metallicity Relation at z~2","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Adam Tomczak, Caroline Straatman, Freeke van de Voort, Glenn G. Kacprzak, Ivo Labbe, Karl Glazebrook, Kim-Vy H. Tran, Lee Spitler, Leo Alcorn, Michael Cowley, Rebecca J. Allen, Themiya Nanayakkara, Tiantian Yuan","submitted_at":"2016-06-30T20:00:24Z","abstract_excerpt":"We investigate the star formation rate (SFR) dependence on the stellar mass and gas-phase metallicity relation at z=2 with MOSFIRE/Keck as part of the ZFIRE survey. We have identified 117 galaxies (1.98 < z < 2.56), with $8.9\\leq$log(M/M$_{\\odot}$)$\\leq11.0$, for which we can measure gas-phase metallicities. For the first time, we show discernible difference between the mass-metallicity relation, using individual galaxies, when deviding the sample by low ($<10$~M$_{\\odot}$yr$^{-1}$) and high ($>10$~M$_{\\odot}$yr$^{-1}$) SFRs. At fixed mass, low star-forming galaxies tend to have higher metalli"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.00014","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":"2026-05-18T01:10:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"L/3BrdWddBGv5nZsHRPLLRkFh3e52+/AFwWXFEolZxW6tTq1un+yl5VXCIxaOVEJ8cHXiK6VQTaSGjvNvlLQAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T04:14:30.519120Z"},"content_sha256":"b7d5cf549df9082f35d931ba76a7651784f0d05af27c61da6b11a18dbaf5cc19","schema_version":"1.0","event_id":"sha256:b7d5cf549df9082f35d931ba76a7651784f0d05af27c61da6b11a18dbaf5cc19"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EAX2U6WL3BE2D7HWNM5RKMKEWU/bundle.json","state_url":"https://pith.science/pith/EAX2U6WL3BE2D7HWNM5RKMKEWU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EAX2U6WL3BE2D7HWNM5RKMKEWU/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":"2026-05-25T04:14:30Z","links":{"resolver":"https://pith.science/pith/EAX2U6WL3BE2D7HWNM5RKMKEWU","bundle":"https://pith.science/pith/EAX2U6WL3BE2D7HWNM5RKMKEWU/bundle.json","state":"https://pith.science/pith/EAX2U6WL3BE2D7HWNM5RKMKEWU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EAX2U6WL3BE2D7HWNM5RKMKEWU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:EAX2U6WL3BE2D7HWNM5RKMKEWU","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":"0451e42357bbef061441c87c180d25ae778b890e57f6c889bbaf049f52391d23","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-06-30T20:00:24Z","title_canon_sha256":"66d1435abfcdd2be3eb59707c76256605f70be1a6faad461930a2afb442e0a01"},"schema_version":"1.0","source":{"id":"1607.00014","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.00014","created_at":"2026-05-18T01:10:28Z"},{"alias_kind":"arxiv_version","alias_value":"1607.00014v1","created_at":"2026-05-18T01:10:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.00014","created_at":"2026-05-18T01:10:28Z"},{"alias_kind":"pith_short_12","alias_value":"EAX2U6WL3BE2","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_16","alias_value":"EAX2U6WL3BE2D7HW","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_8","alias_value":"EAX2U6WL","created_at":"2026-05-18T12:30:12Z"}],"graph_snapshots":[{"event_id":"sha256:b7d5cf549df9082f35d931ba76a7651784f0d05af27c61da6b11a18dbaf5cc19","target":"graph","created_at":"2026-05-18T01:10:28Z","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 investigate the star formation rate (SFR) dependence on the stellar mass and gas-phase metallicity relation at z=2 with MOSFIRE/Keck as part of the ZFIRE survey. We have identified 117 galaxies (1.98 < z < 2.56), with $8.9\\leq$log(M/M$_{\\odot}$)$\\leq11.0$, for which we can measure gas-phase metallicities. For the first time, we show discernible difference between the mass-metallicity relation, using individual galaxies, when deviding the sample by low ($<10$~M$_{\\odot}$yr$^{-1}$) and high ($>10$~M$_{\\odot}$yr$^{-1}$) SFRs. At fixed mass, low star-forming galaxies tend to have higher metalli","authors_text":"Adam Tomczak, Caroline Straatman, Freeke van de Voort, Glenn G. Kacprzak, Ivo Labbe, Karl Glazebrook, Kim-Vy H. Tran, Lee Spitler, Leo Alcorn, Michael Cowley, Rebecca J. Allen, Themiya Nanayakkara, Tiantian Yuan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-06-30T20:00:24Z","title":"Cold-Mode Accretion: Driving the Fundamental Mass-Metallicity Relation at z~2"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.00014","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":"sha256:1b40044f728c070e7cd8e45480b95cdbd41d9d35630738ad210c34ecd6902d4f","target":"record","created_at":"2026-05-18T01:10:28Z","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":"0451e42357bbef061441c87c180d25ae778b890e57f6c889bbaf049f52391d23","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-06-30T20:00:24Z","title_canon_sha256":"66d1435abfcdd2be3eb59707c76256605f70be1a6faad461930a2afb442e0a01"},"schema_version":"1.0","source":{"id":"1607.00014","kind":"arxiv","version":1}},"canonical_sha256":"202faa7acbd849a1fcf66b3b153144b523eba83993b22c241add273d89607f3e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"202faa7acbd849a1fcf66b3b153144b523eba83993b22c241add273d89607f3e","first_computed_at":"2026-05-18T01:10:28.749838Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:10:28.749838Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8kwtRqTa0TDBkmtQ0ahv7ERhuSJXXGthK/qMh85fMsi26npTS1aOa5vm3Is9gVY1mICK3kowopPHNLH7Pd5CAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:10:28.750353Z","signed_message":"canonical_sha256_bytes"},"source_id":"1607.00014","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1b40044f728c070e7cd8e45480b95cdbd41d9d35630738ad210c34ecd6902d4f","sha256:b7d5cf549df9082f35d931ba76a7651784f0d05af27c61da6b11a18dbaf5cc19"],"state_sha256":"a2d915448294de4e4542e99c2ccb56bb914a645fba7fd59318b28582a1e767f0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XBUUJcBctrsz+hWdhzduF4NEGet5eGqcWKfky5zymipkBlEuXWLcpo9rP1xtvv3664mAQNsfazpTsm7O8FwiCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T04:14:30.522600Z","bundle_sha256":"a41d305bee0c542edd74c51df5a0029261a5dbe60c627774bf8ce4094def8c07"}}