{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:TM3OJLTLKGJ5WVSFJTWT3E5CVV","short_pith_number":"pith:TM3OJLTL","canonical_record":{"source":{"id":"1204.3609","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-04-16T19:29:00Z","cross_cats_sorted":[],"title_canon_sha256":"1560b6994a29be39a1d80548fd35aacfa66da4dbc5ed478d3a8a24bc2df65d95","abstract_canon_sha256":"0d9de092eca47d3c7b22deb5c2c4393b521b8888a76e379e622da45c6ce751ef"},"schema_version":"1.0"},"canonical_sha256":"9b36e4ae6b5193db56454ced3d93a2ad45bc0b71248d0c9728809101aaf3d1b5","source":{"kind":"arxiv","id":"1204.3609","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.3609","created_at":"2026-05-18T01:57:51Z"},{"alias_kind":"arxiv_version","alias_value":"1204.3609v2","created_at":"2026-05-18T01:57:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.3609","created_at":"2026-05-18T01:57:51Z"},{"alias_kind":"pith_short_12","alias_value":"TM3OJLTLKGJ5","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"TM3OJLTLKGJ5WVSF","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"TM3OJLTL","created_at":"2026-05-18T12:27:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:TM3OJLTLKGJ5WVSFJTWT3E5CVV","target":"record","payload":{"canonical_record":{"source":{"id":"1204.3609","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-04-16T19:29:00Z","cross_cats_sorted":[],"title_canon_sha256":"1560b6994a29be39a1d80548fd35aacfa66da4dbc5ed478d3a8a24bc2df65d95","abstract_canon_sha256":"0d9de092eca47d3c7b22deb5c2c4393b521b8888a76e379e622da45c6ce751ef"},"schema_version":"1.0"},"canonical_sha256":"9b36e4ae6b5193db56454ced3d93a2ad45bc0b71248d0c9728809101aaf3d1b5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:57:51.852454Z","signature_b64":"dfGG9Ea5tuU7Jo6YYzN+n0glW+lpL0If5irN2GO7UzLRytj4j7z+j9MdkzpeZPEp58xkQWPzsV31P3ziYv/kAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9b36e4ae6b5193db56454ced3d93a2ad45bc0b71248d0c9728809101aaf3d1b5","last_reissued_at":"2026-05-18T01:57:51.851879Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:57:51.851879Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1204.3609","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:57:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8sB+d8f3XS4PfPV8F2khuL16XfZXFsRLQd1I9s2K94EJsFoNc/uHFcuCz3iK7+WgHdZk7/ZtFW96Ls4wK0bhDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T08:58:11.689778Z"},"content_sha256":"f9a8be7e117d0aaa92325560cd2e435d164b59ca4c5c716528620a1b375771d6","schema_version":"1.0","event_id":"sha256:f9a8be7e117d0aaa92325560cd2e435d164b59ca4c5c716528620a1b375771d6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:TM3OJLTLKGJ5WVSFJTWT3E5CVV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Clustering analysis of high-redshift Luminous Red Galaxies in Stripe 82","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"2) ((1) University of Durham, (2) National Astronomical Research Institute of Thailand), Nikolaos Nikoloudakis (1), Tom Shanks (1), Utane Sawangwit (1","submitted_at":"2012-04-16T19:29:00Z","abstract_excerpt":"We present a clustering analysis of Luminous Red Galaxies in SDSS Stripe 82. We study the angular 2-point correlation function, of 130,000 LRG candidates via colour-cut selections in izK with the K band coverage coming from UKIDSS LAS. We have used the cross-correlation technique of Newman (2008) to establish the LRG redshift distribution. Cross-correlating with SDSS QSOs, MegaZ-LRGs and DEEP2 galaxies implies an average LRG redshift of z~1 with space density, n_g~3.2 +/-0.16 x10^-4 h^3 Mpc^-3. For theta<10', w(theta) significantly deviates from a single power-law. A double power-law with a br"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.3609","kind":"arxiv","version":2},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:57:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BTyaBcb+dYp+W+4N1Ap6T7fO6PilWrUfup9oUv/+SRUM9WCWG1WxjXdfqGXxdgZtTFCTC8tFyQyo3Whpb27JCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T08:58:11.690112Z"},"content_sha256":"b30d862bb02ea5d808626a266077c7809952998fb82b4ceb7f58eb851d215d35","schema_version":"1.0","event_id":"sha256:b30d862bb02ea5d808626a266077c7809952998fb82b4ceb7f58eb851d215d35"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TM3OJLTLKGJ5WVSFJTWT3E5CVV/bundle.json","state_url":"https://pith.science/pith/TM3OJLTLKGJ5WVSFJTWT3E5CVV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TM3OJLTLKGJ5WVSFJTWT3E5CVV/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-03T08:58:11Z","links":{"resolver":"https://pith.science/pith/TM3OJLTLKGJ5WVSFJTWT3E5CVV","bundle":"https://pith.science/pith/TM3OJLTLKGJ5WVSFJTWT3E5CVV/bundle.json","state":"https://pith.science/pith/TM3OJLTLKGJ5WVSFJTWT3E5CVV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TM3OJLTLKGJ5WVSFJTWT3E5CVV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:TM3OJLTLKGJ5WVSFJTWT3E5CVV","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":"0d9de092eca47d3c7b22deb5c2c4393b521b8888a76e379e622da45c6ce751ef","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-04-16T19:29:00Z","title_canon_sha256":"1560b6994a29be39a1d80548fd35aacfa66da4dbc5ed478d3a8a24bc2df65d95"},"schema_version":"1.0","source":{"id":"1204.3609","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.3609","created_at":"2026-05-18T01:57:51Z"},{"alias_kind":"arxiv_version","alias_value":"1204.3609v2","created_at":"2026-05-18T01:57:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.3609","created_at":"2026-05-18T01:57:51Z"},{"alias_kind":"pith_short_12","alias_value":"TM3OJLTLKGJ5","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"TM3OJLTLKGJ5WVSF","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"TM3OJLTL","created_at":"2026-05-18T12:27:23Z"}],"graph_snapshots":[{"event_id":"sha256:b30d862bb02ea5d808626a266077c7809952998fb82b4ceb7f58eb851d215d35","target":"graph","created_at":"2026-05-18T01:57:51Z","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 present a clustering analysis of Luminous Red Galaxies in SDSS Stripe 82. We study the angular 2-point correlation function, of 130,000 LRG candidates via colour-cut selections in izK with the K band coverage coming from UKIDSS LAS. We have used the cross-correlation technique of Newman (2008) to establish the LRG redshift distribution. Cross-correlating with SDSS QSOs, MegaZ-LRGs and DEEP2 galaxies implies an average LRG redshift of z~1 with space density, n_g~3.2 +/-0.16 x10^-4 h^3 Mpc^-3. For theta<10', w(theta) significantly deviates from a single power-law. A double power-law with a br","authors_text":"2) ((1) University of Durham, (2) National Astronomical Research Institute of Thailand), Nikolaos Nikoloudakis (1), Tom Shanks (1), Utane Sawangwit (1","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-04-16T19:29:00Z","title":"Clustering analysis of high-redshift Luminous Red Galaxies in Stripe 82"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.3609","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:f9a8be7e117d0aaa92325560cd2e435d164b59ca4c5c716528620a1b375771d6","target":"record","created_at":"2026-05-18T01:57:51Z","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":"0d9de092eca47d3c7b22deb5c2c4393b521b8888a76e379e622da45c6ce751ef","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-04-16T19:29:00Z","title_canon_sha256":"1560b6994a29be39a1d80548fd35aacfa66da4dbc5ed478d3a8a24bc2df65d95"},"schema_version":"1.0","source":{"id":"1204.3609","kind":"arxiv","version":2}},"canonical_sha256":"9b36e4ae6b5193db56454ced3d93a2ad45bc0b71248d0c9728809101aaf3d1b5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9b36e4ae6b5193db56454ced3d93a2ad45bc0b71248d0c9728809101aaf3d1b5","first_computed_at":"2026-05-18T01:57:51.851879Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:57:51.851879Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dfGG9Ea5tuU7Jo6YYzN+n0glW+lpL0If5irN2GO7UzLRytj4j7z+j9MdkzpeZPEp58xkQWPzsV31P3ziYv/kAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:57:51.852454Z","signed_message":"canonical_sha256_bytes"},"source_id":"1204.3609","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f9a8be7e117d0aaa92325560cd2e435d164b59ca4c5c716528620a1b375771d6","sha256:b30d862bb02ea5d808626a266077c7809952998fb82b4ceb7f58eb851d215d35"],"state_sha256":"4bd8fa9ca8bdec138a4851164dcfc0fd636bf83043bf35b45857b31d397337e6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HlASSs/wpF/bSxXCZzQD7GMDT7DS+yvovm9G7fJ0oQhoKZ7Oh2Ij7TFtC03KIeHE2q+BNTYOVnd8x7w13hLzDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T08:58:11.692021Z","bundle_sha256":"42fbd7052062b823109c25248d55b5737955520d76c6264836f00f06300c6d38"}}