{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:MA6PSAFWWESUT4TINWYY2GAZY5","short_pith_number":"pith:MA6PSAFW","schema_version":"1.0","canonical_sha256":"603cf900b6b12549f2686db18d1819c77e8e95a2c1969e81c0254da1fa7f8e1a","source":{"kind":"arxiv","id":"1302.6628","version":1},"attestation_state":"computed","paper":{"title":"Probing the mass assembly of massive nearby galaxies with deep imaging","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Pierre-Alain Duc","submitted_at":"2013-02-26T23:41:18Z","abstract_excerpt":"According to a popular scenario supported by numerical models, the mass assembly and growth of massive galaxies, in particular the Early-Type Galaxies (ETGs), is, below a redshift of 1, mainly due to the accretion of multiple gas--poor satellites. In order to get observational evidence of the role played by minor dry mergers, we are obtaining extremely deep optical images of a complete volume limited sample of nearby ETGs.\n  These observations, done with the CFHT as part of the \\AD, NGVS and MATLAS projects, reach a stunning 28.5)29 mag.arcsec-2 surface brightness limit in the g' band. They al"},"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":"1302.6628","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-02-26T23:41:18Z","cross_cats_sorted":[],"title_canon_sha256":"08b6fe9270101ddef19c071dc6ca6b098d027fe9aeb9aba3ea5bd6f03798e406","abstract_canon_sha256":"7b83e6d97c1c9c567e5eb1916e2594fbc1be92ea496dc217dab7ef2d2667750e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:51:26.940858Z","signature_b64":"AqS0u6pTzSPw0HxAz7pHsv1dtvxwzgU8H0veg343vlWoFc8N/oImd3jmJYFeMRt6JJ0OIhm/qeDUFqMU+F8lAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"603cf900b6b12549f2686db18d1819c77e8e95a2c1969e81c0254da1fa7f8e1a","last_reissued_at":"2026-05-18T01:51:26.940242Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:51:26.940242Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Probing the mass assembly of massive nearby galaxies with deep imaging","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Pierre-Alain Duc","submitted_at":"2013-02-26T23:41:18Z","abstract_excerpt":"According to a popular scenario supported by numerical models, the mass assembly and growth of massive galaxies, in particular the Early-Type Galaxies (ETGs), is, below a redshift of 1, mainly due to the accretion of multiple gas--poor satellites. In order to get observational evidence of the role played by minor dry mergers, we are obtaining extremely deep optical images of a complete volume limited sample of nearby ETGs.\n  These observations, done with the CFHT as part of the \\AD, NGVS and MATLAS projects, reach a stunning 28.5)29 mag.arcsec-2 surface brightness limit in the g' band. They al"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.6628","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":"1302.6628","created_at":"2026-05-18T01:51:26.940368+00:00"},{"alias_kind":"arxiv_version","alias_value":"1302.6628v1","created_at":"2026-05-18T01:51:26.940368+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.6628","created_at":"2026-05-18T01:51:26.940368+00:00"},{"alias_kind":"pith_short_12","alias_value":"MA6PSAFWWESU","created_at":"2026-05-18T12:27:51.066281+00:00"},{"alias_kind":"pith_short_16","alias_value":"MA6PSAFWWESUT4TI","created_at":"2026-05-18T12:27:51.066281+00:00"},{"alias_kind":"pith_short_8","alias_value":"MA6PSAFW","created_at":"2026-05-18T12:27:51.066281+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/MA6PSAFWWESUT4TINWYY2GAZY5","json":"https://pith.science/pith/MA6PSAFWWESUT4TINWYY2GAZY5.json","graph_json":"https://pith.science/api/pith-number/MA6PSAFWWESUT4TINWYY2GAZY5/graph.json","events_json":"https://pith.science/api/pith-number/MA6PSAFWWESUT4TINWYY2GAZY5/events.json","paper":"https://pith.science/paper/MA6PSAFW"},"agent_actions":{"view_html":"https://pith.science/pith/MA6PSAFWWESUT4TINWYY2GAZY5","download_json":"https://pith.science/pith/MA6PSAFWWESUT4TINWYY2GAZY5.json","view_paper":"https://pith.science/paper/MA6PSAFW","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1302.6628&json=true","fetch_graph":"https://pith.science/api/pith-number/MA6PSAFWWESUT4TINWYY2GAZY5/graph.json","fetch_events":"https://pith.science/api/pith-number/MA6PSAFWWESUT4TINWYY2GAZY5/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MA6PSAFWWESUT4TINWYY2GAZY5/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MA6PSAFWWESUT4TINWYY2GAZY5/action/storage_attestation","attest_author":"https://pith.science/pith/MA6PSAFWWESUT4TINWYY2GAZY5/action/author_attestation","sign_citation":"https://pith.science/pith/MA6PSAFWWESUT4TINWYY2GAZY5/action/citation_signature","submit_replication":"https://pith.science/pith/MA6PSAFWWESUT4TINWYY2GAZY5/action/replication_record"}},"created_at":"2026-05-18T01:51:26.940368+00:00","updated_at":"2026-05-18T01:51:26.940368+00:00"}