{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:UVY2R2ZMI2JVVOYEK2C42T3A4K","short_pith_number":"pith:UVY2R2ZM","schema_version":"1.0","canonical_sha256":"a571a8eb2c46935abb045685cd4f60e2819542910b8dffdd444424f85e567ddd","source":{"kind":"arxiv","id":"1406.2327","version":1},"attestation_state":"computed","paper":{"title":"Late-stage galaxy mergers in COSMOS to z~1","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. M. Koekemoer, C. N. Lackner, C. T. Liu, D. Sanders, F. Civano, J. D. Silverman, J. S. Kartaltepe, K. Jahnke, K. Sheth, M. Salvato, N. Lee, N. Scoville, O. Ilbert, O. Le Fevre, P. Capak, P. Kampczyk, S. Toft","submitted_at":"2014-06-09T20:00:10Z","abstract_excerpt":"The role of major mergers in galaxy and black hole formation is not well constrained. To help address this, we develop an automated method to identify late-stage galaxy mergers before coalescence of the galactic cores. The resulting sample of mergers is distinct from those obtained using pair-finding and morphological indicators. Our method relies on median-filtering of high-resolution images in order to distinguish two concentrated galaxy nuclei at small separations. Using mock images, we derive statistical contamination and incompleteness corrections for the fraction of late-stage mergers. W"},"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":"1406.2327","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-06-09T20:00:10Z","cross_cats_sorted":[],"title_canon_sha256":"68c80ad1d9bb711c54dd934a4c7a9cc8cea4a6f2ecb688c543b78c0a12f28bdf","abstract_canon_sha256":"641c49e07bd988695b2d2f838ee257b6e87252a020497959d78e1b401dbc9d38"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:43:00.904824Z","signature_b64":"iGUPZdQNJWGmOO3Dv3gcaqX+IW06PubDAkp/qzN/EmOxb+dAdeS8oieZ7pgT1W9HH7w7ibMSZVp39JJPbd0/Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a571a8eb2c46935abb045685cd4f60e2819542910b8dffdd444424f85e567ddd","last_reissued_at":"2026-05-18T01:43:00.904378Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:43:00.904378Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Late-stage galaxy mergers in COSMOS to z~1","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. M. Koekemoer, C. N. Lackner, C. T. Liu, D. Sanders, F. Civano, J. D. Silverman, J. S. Kartaltepe, K. Jahnke, K. Sheth, M. Salvato, N. Lee, N. Scoville, O. Ilbert, O. Le Fevre, P. Capak, P. Kampczyk, S. Toft","submitted_at":"2014-06-09T20:00:10Z","abstract_excerpt":"The role of major mergers in galaxy and black hole formation is not well constrained. To help address this, we develop an automated method to identify late-stage galaxy mergers before coalescence of the galactic cores. The resulting sample of mergers is distinct from those obtained using pair-finding and morphological indicators. Our method relies on median-filtering of high-resolution images in order to distinguish two concentrated galaxy nuclei at small separations. Using mock images, we derive statistical contamination and incompleteness corrections for the fraction of late-stage mergers. W"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.2327","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":"1406.2327","created_at":"2026-05-18T01:43:00.904450+00:00"},{"alias_kind":"arxiv_version","alias_value":"1406.2327v1","created_at":"2026-05-18T01:43:00.904450+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.2327","created_at":"2026-05-18T01:43:00.904450+00:00"},{"alias_kind":"pith_short_12","alias_value":"UVY2R2ZMI2JV","created_at":"2026-05-18T12:28:52.271510+00:00"},{"alias_kind":"pith_short_16","alias_value":"UVY2R2ZMI2JVVOYE","created_at":"2026-05-18T12:28:52.271510+00:00"},{"alias_kind":"pith_short_8","alias_value":"UVY2R2ZM","created_at":"2026-05-18T12:28:52.271510+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2605.20590","citing_title":"Spider-Webb: enhanced star formation in low-mass galaxies within the Spiderweb protocluster revealed by JWST Pa$\\beta$ narrow-band imaging","ref_index":143,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/UVY2R2ZMI2JVVOYEK2C42T3A4K","json":"https://pith.science/pith/UVY2R2ZMI2JVVOYEK2C42T3A4K.json","graph_json":"https://pith.science/api/pith-number/UVY2R2ZMI2JVVOYEK2C42T3A4K/graph.json","events_json":"https://pith.science/api/pith-number/UVY2R2ZMI2JVVOYEK2C42T3A4K/events.json","paper":"https://pith.science/paper/UVY2R2ZM"},"agent_actions":{"view_html":"https://pith.science/pith/UVY2R2ZMI2JVVOYEK2C42T3A4K","download_json":"https://pith.science/pith/UVY2R2ZMI2JVVOYEK2C42T3A4K.json","view_paper":"https://pith.science/paper/UVY2R2ZM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1406.2327&json=true","fetch_graph":"https://pith.science/api/pith-number/UVY2R2ZMI2JVVOYEK2C42T3A4K/graph.json","fetch_events":"https://pith.science/api/pith-number/UVY2R2ZMI2JVVOYEK2C42T3A4K/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UVY2R2ZMI2JVVOYEK2C42T3A4K/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UVY2R2ZMI2JVVOYEK2C42T3A4K/action/storage_attestation","attest_author":"https://pith.science/pith/UVY2R2ZMI2JVVOYEK2C42T3A4K/action/author_attestation","sign_citation":"https://pith.science/pith/UVY2R2ZMI2JVVOYEK2C42T3A4K/action/citation_signature","submit_replication":"https://pith.science/pith/UVY2R2ZMI2JVVOYEK2C42T3A4K/action/replication_record"}},"created_at":"2026-05-18T01:43:00.904450+00:00","updated_at":"2026-05-18T01:43:00.904450+00:00"}