{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:SRQDFXCLBY7EDYBZMI4M6FN23K","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":"8f35c31c2f14ad0947fc2d3533cdee1af8b204894911c91a5c402a3c5d1a9d16","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-08-04T19:17:35Z","title_canon_sha256":"786024426d6bd7f65fccc4cd3234ad7c361fa5e56c7b045f43465eb78b523a47"},"schema_version":"1.0","source":{"id":"0908.0517","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0908.0517","created_at":"2026-05-18T02:12:44Z"},{"alias_kind":"arxiv_version","alias_value":"0908.0517v2","created_at":"2026-05-18T02:12:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0908.0517","created_at":"2026-05-18T02:12:44Z"},{"alias_kind":"pith_short_12","alias_value":"SRQDFXCLBY7E","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_16","alias_value":"SRQDFXCLBY7EDYBZ","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_8","alias_value":"SRQDFXCL","created_at":"2026-05-18T12:26:01Z"}],"graph_snapshots":[{"event_id":"sha256:9be72f4f528bfe8e1f5d65e0d3739b05db08eae51bfe21e0a7cef5e956b8067c","target":"graph","created_at":"2026-05-18T02:12:44Z","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 study galaxy evolution and spatial patterns in the surroundings of a sample of 2dF groups. Our aim is to find evidence of galaxy evolution and clustering out to 10 times the virial radius of the groups and so redefine their properties according to the spatial patterns in the fields and relate them to galaxy evolution. Group members and interlopers were redefined after the identification of gaps in the redshift distribution. We then used exploratory spatial statistics based on the second moment of the Ripley function to probe the anisotropy in the galaxy distribution around the groups. We fo","authors_text":"A.C. Schilling, A.L.B. Ribeiro, M. Trevisan, P.A.A. Lopes","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-08-04T19:17:35Z","title":"Galaxy distribution and evolution around a sample of 2dF groups"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0908.0517","kind":"arxiv","version":2},"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":"sha256:7ecf26b3ff22f7454b38b4d5bb18ac503b18b77515a7708cea6e95f4960bc824","target":"record","created_at":"2026-05-18T02:12:44Z","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":"8f35c31c2f14ad0947fc2d3533cdee1af8b204894911c91a5c402a3c5d1a9d16","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-08-04T19:17:35Z","title_canon_sha256":"786024426d6bd7f65fccc4cd3234ad7c361fa5e56c7b045f43465eb78b523a47"},"schema_version":"1.0","source":{"id":"0908.0517","kind":"arxiv","version":2}},"canonical_sha256":"946032dc4b0e3e41e0396238cf15bada80471734ebb94cb25b282c0bc08adf02","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"946032dc4b0e3e41e0396238cf15bada80471734ebb94cb25b282c0bc08adf02","first_computed_at":"2026-05-18T02:12:44.728146Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:12:44.728146Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZtxptNJfka4awgDkMzzdEi8rvVzx0BCdsOHf/U7ogIb0SvRe8jBpuC+UhmmDxEXM1Wquidli47dH12Pms43yCw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:12:44.728678Z","signed_message":"canonical_sha256_bytes"},"source_id":"0908.0517","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7ecf26b3ff22f7454b38b4d5bb18ac503b18b77515a7708cea6e95f4960bc824","sha256:9be72f4f528bfe8e1f5d65e0d3739b05db08eae51bfe21e0a7cef5e956b8067c"],"state_sha256":"6942749a324f72c85a6d8709f1083dd0a79a0042b039cd6eee13e4c672dd1a26"}