{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2003:56QV47X6AFNXGWS2I6XJLU34HX","short_pith_number":"pith:56QV47X6","schema_version":"1.0","canonical_sha256":"efa15e7efe015b735a5a47ae95d37c3de73a10567e396a1e89bebdbce45741d6","source":{"kind":"arxiv","id":"astro-ph/0304455","version":3},"attestation_state":"computed","paper":{"title":"Minkowski Functionals of SDSS galaxies I : Analysis of Excursion Sets","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"(2) Univ. of Munich, (3) Drexel Univ., (4) Princeton Univ., (5) Apache Point Obs.), Atsushi Taruya (1), Chiaki Hikage (1), Fiona Hoyle (3), Issha Kayo (1), Jens Schmalzing (2), Jon Brinkmann (5) ((1) Univ. of Tokyo, J. Richard Gott III (4), Michael S. Vogeley (3), Thomas Buchert (2), Yasushi Suto (1)","submitted_at":"2003-04-25T06:56:01Z","abstract_excerpt":"We present a first morphometric investigation of a preliminary sample from the SDSS of 154287 galaxies with apparent magnitude 14.5<m_r<17.5 and redshift 0.001<z<0.4. We measure the Minkowski Functionals, which are a complete set of morphological descriptors. To account for the complicated wedge--like geometry of the present survey data, we construct isodensity contour surfaces from the galaxy positions in redshift space and employ two complementary methods of computing the Minkowski Functionals. We find that the observed Minkowski Functionals for SDSS galaxies are consistent with the predicti"},"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":"astro-ph/0304455","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-04-25T06:56:01Z","cross_cats_sorted":[],"title_canon_sha256":"f70cee6dbe619f5c12d93692fb71f1c3100b0d855bddd8b3bf486fd6907c8532","abstract_canon_sha256":"97d16dd2498a75c1f8d3524487759d05cf567b69e355e0353144e83680d0f088"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:40:39.023090Z","signature_b64":"AzQzTJ1V0vaYK7VFsQ2kQjw8wfVB8oRwWykRVGttvYsQCCcFKrrWMNLgBpFdAIQA8wQ0sDqEISvC30A2lMM+BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"efa15e7efe015b735a5a47ae95d37c3de73a10567e396a1e89bebdbce45741d6","last_reissued_at":"2026-05-18T01:40:39.022400Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:40:39.022400Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Minkowski Functionals of SDSS galaxies I : Analysis of Excursion Sets","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"(2) Univ. of Munich, (3) Drexel Univ., (4) Princeton Univ., (5) Apache Point Obs.), Atsushi Taruya (1), Chiaki Hikage (1), Fiona Hoyle (3), Issha Kayo (1), Jens Schmalzing (2), Jon Brinkmann (5) ((1) Univ. of Tokyo, J. Richard Gott III (4), Michael S. Vogeley (3), Thomas Buchert (2), Yasushi Suto (1)","submitted_at":"2003-04-25T06:56:01Z","abstract_excerpt":"We present a first morphometric investigation of a preliminary sample from the SDSS of 154287 galaxies with apparent magnitude 14.5<m_r<17.5 and redshift 0.001<z<0.4. We measure the Minkowski Functionals, which are a complete set of morphological descriptors. To account for the complicated wedge--like geometry of the present survey data, we construct isodensity contour surfaces from the galaxy positions in redshift space and employ two complementary methods of computing the Minkowski Functionals. We find that the observed Minkowski Functionals for SDSS galaxies are consistent with the predicti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0304455","kind":"arxiv","version":3},"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":"astro-ph/0304455","created_at":"2026-05-18T01:40:39.022514+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0304455v3","created_at":"2026-05-18T01:40:39.022514+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0304455","created_at":"2026-05-18T01:40:39.022514+00:00"},{"alias_kind":"pith_short_12","alias_value":"56QV47X6AFNX","created_at":"2026-05-18T12:25:51.375804+00:00"},{"alias_kind":"pith_short_16","alias_value":"56QV47X6AFNXGWS2","created_at":"2026-05-18T12:25:51.375804+00:00"},{"alias_kind":"pith_short_8","alias_value":"56QV47X6","created_at":"2026-05-18T12:25:51.375804+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/56QV47X6AFNXGWS2I6XJLU34HX","json":"https://pith.science/pith/56QV47X6AFNXGWS2I6XJLU34HX.json","graph_json":"https://pith.science/api/pith-number/56QV47X6AFNXGWS2I6XJLU34HX/graph.json","events_json":"https://pith.science/api/pith-number/56QV47X6AFNXGWS2I6XJLU34HX/events.json","paper":"https://pith.science/paper/56QV47X6"},"agent_actions":{"view_html":"https://pith.science/pith/56QV47X6AFNXGWS2I6XJLU34HX","download_json":"https://pith.science/pith/56QV47X6AFNXGWS2I6XJLU34HX.json","view_paper":"https://pith.science/paper/56QV47X6","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0304455&json=true","fetch_graph":"https://pith.science/api/pith-number/56QV47X6AFNXGWS2I6XJLU34HX/graph.json","fetch_events":"https://pith.science/api/pith-number/56QV47X6AFNXGWS2I6XJLU34HX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/56QV47X6AFNXGWS2I6XJLU34HX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/56QV47X6AFNXGWS2I6XJLU34HX/action/storage_attestation","attest_author":"https://pith.science/pith/56QV47X6AFNXGWS2I6XJLU34HX/action/author_attestation","sign_citation":"https://pith.science/pith/56QV47X6AFNXGWS2I6XJLU34HX/action/citation_signature","submit_replication":"https://pith.science/pith/56QV47X6AFNXGWS2I6XJLU34HX/action/replication_record"}},"created_at":"2026-05-18T01:40:39.022514+00:00","updated_at":"2026-05-18T01:40:39.022514+00:00"}