{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:BGSI4ID2FCQFB7YKM7SBUHKA3C","short_pith_number":"pith:BGSI4ID2","schema_version":"1.0","canonical_sha256":"09a48e207a28a050ff0a67e41a1d40d89fe32261a17d96d1a0d52a28697afc03","source":{"kind":"arxiv","id":"1410.3479","version":1},"attestation_state":"computed","paper":{"title":"Resolving the Discrepancy of Galaxy Merger Fraction Measurements at z ~ 0 - 3","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Allison W. S. Man, Andrew W. Zirm, Sune Toft","submitted_at":"2014-10-13T20:00:13Z","abstract_excerpt":"We measure the merger fraction of massive galaxies using the UltraVISTA/COSMOS $Ks$-band selected catalog, complemented with the deeper, higher resolution 3DHST+CANDELS catalog selected in the HST/WFC3 $H$-band, presenting the largest mass-complete photometric merger sample up to $z\\sim3$. We find that selecting mergers using the $H_{160}$-band flux ratio leads to an increasing merger fraction with redshift, while selecting mergers using the stellar mass ratio causes a diminishing redshift dependence. Defining major and minor mergers as having stellar mass ratios of 1:1 - 4:1 and 4:1 - 10:1 re"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1410.3479","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-10-13T20:00:13Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"9e25ef310ab9fc4375012f7eda8f18fe1284d293f4df49eb24f61e2d9ad48f87","abstract_canon_sha256":"9ab815a9b485cbb742118095e06612460253fc6d4b426a17190a303d6604b33a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:59:59.191805Z","signature_b64":"NBTfsuiJ0VJLUIPCDuTXrySDEIDEYLmMqdJ1Avrvdt1G5cWZ+PtCbA19Z5CoDN8922LEU0yJRhyGYRc+pLvhDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"09a48e207a28a050ff0a67e41a1d40d89fe32261a17d96d1a0d52a28697afc03","last_reissued_at":"2026-05-18T00:59:59.191292Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:59:59.191292Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Resolving the Discrepancy of Galaxy Merger Fraction Measurements at z ~ 0 - 3","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Allison W. S. Man, Andrew W. Zirm, Sune Toft","submitted_at":"2014-10-13T20:00:13Z","abstract_excerpt":"We measure the merger fraction of massive galaxies using the UltraVISTA/COSMOS $Ks$-band selected catalog, complemented with the deeper, higher resolution 3DHST+CANDELS catalog selected in the HST/WFC3 $H$-band, presenting the largest mass-complete photometric merger sample up to $z\\sim3$. We find that selecting mergers using the $H_{160}$-band flux ratio leads to an increasing merger fraction with redshift, while selecting mergers using the stellar mass ratio causes a diminishing redshift dependence. Defining major and minor mergers as having stellar mass ratios of 1:1 - 4:1 and 4:1 - 10:1 re"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.3479","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1410.3479","created_at":"2026-05-18T00:59:59.191383+00:00"},{"alias_kind":"arxiv_version","alias_value":"1410.3479v1","created_at":"2026-05-18T00:59:59.191383+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.3479","created_at":"2026-05-18T00:59:59.191383+00:00"},{"alias_kind":"pith_short_12","alias_value":"BGSI4ID2FCQF","created_at":"2026-05-18T12:28:22.404517+00:00"},{"alias_kind":"pith_short_16","alias_value":"BGSI4ID2FCQFB7YK","created_at":"2026-05-18T12:28:22.404517+00:00"},{"alias_kind":"pith_short_8","alias_value":"BGSI4ID2","created_at":"2026-05-18T12:28:22.404517+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/BGSI4ID2FCQFB7YKM7SBUHKA3C","json":"https://pith.science/pith/BGSI4ID2FCQFB7YKM7SBUHKA3C.json","graph_json":"https://pith.science/api/pith-number/BGSI4ID2FCQFB7YKM7SBUHKA3C/graph.json","events_json":"https://pith.science/api/pith-number/BGSI4ID2FCQFB7YKM7SBUHKA3C/events.json","paper":"https://pith.science/paper/BGSI4ID2"},"agent_actions":{"view_html":"https://pith.science/pith/BGSI4ID2FCQFB7YKM7SBUHKA3C","download_json":"https://pith.science/pith/BGSI4ID2FCQFB7YKM7SBUHKA3C.json","view_paper":"https://pith.science/paper/BGSI4ID2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1410.3479&json=true","fetch_graph":"https://pith.science/api/pith-number/BGSI4ID2FCQFB7YKM7SBUHKA3C/graph.json","fetch_events":"https://pith.science/api/pith-number/BGSI4ID2FCQFB7YKM7SBUHKA3C/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BGSI4ID2FCQFB7YKM7SBUHKA3C/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BGSI4ID2FCQFB7YKM7SBUHKA3C/action/storage_attestation","attest_author":"https://pith.science/pith/BGSI4ID2FCQFB7YKM7SBUHKA3C/action/author_attestation","sign_citation":"https://pith.science/pith/BGSI4ID2FCQFB7YKM7SBUHKA3C/action/citation_signature","submit_replication":"https://pith.science/pith/BGSI4ID2FCQFB7YKM7SBUHKA3C/action/replication_record"}},"created_at":"2026-05-18T00:59:59.191383+00:00","updated_at":"2026-05-18T00:59:59.191383+00:00"}