{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:MTJEVWYVGBSZ3LETLZF4BI2P7R","short_pith_number":"pith:MTJEVWYV","canonical_record":{"source":{"id":"0809.4505","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-09-25T21:31:43Z","cross_cats_sorted":[],"title_canon_sha256":"ee75264be7454709f6990c6e5626ddb67e854ab0f8f98e39659892348239424a","abstract_canon_sha256":"e9dd3da1a0b4c50986230ff23137e075126c7749f29b8a6ec4db5cd79eb75801"},"schema_version":"1.0"},"canonical_sha256":"64d24adb1530659dac935e4bc0a34ffc50cb4ac91d60d5cec1aec75b14abde87","source":{"kind":"arxiv","id":"0809.4505","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0809.4505","created_at":"2026-05-18T04:33:36Z"},{"alias_kind":"arxiv_version","alias_value":"0809.4505v1","created_at":"2026-05-18T04:33:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0809.4505","created_at":"2026-05-18T04:33:36Z"},{"alias_kind":"pith_short_12","alias_value":"MTJEVWYVGBSZ","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"MTJEVWYVGBSZ3LET","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"MTJEVWYV","created_at":"2026-05-18T12:25:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:MTJEVWYVGBSZ3LETLZF4BI2P7R","target":"record","payload":{"canonical_record":{"source":{"id":"0809.4505","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-09-25T21:31:43Z","cross_cats_sorted":[],"title_canon_sha256":"ee75264be7454709f6990c6e5626ddb67e854ab0f8f98e39659892348239424a","abstract_canon_sha256":"e9dd3da1a0b4c50986230ff23137e075126c7749f29b8a6ec4db5cd79eb75801"},"schema_version":"1.0"},"canonical_sha256":"64d24adb1530659dac935e4bc0a34ffc50cb4ac91d60d5cec1aec75b14abde87","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:33:36.697773Z","signature_b64":"krj0m+yYo7CRViwFRZVAz8P8O2Jvc19i9v/ECylNw6TsVf5egwg10pzF4WAEb8bAh+8YvuT0HZ8TDHvbQGUIBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"64d24adb1530659dac935e4bc0a34ffc50cb4ac91d60d5cec1aec75b14abde87","last_reissued_at":"2026-05-18T04:33:36.697218Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:33:36.697218Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0809.4505","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:33:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EpGeX0QMG7XgZpMOAVOiiKAqipYHS9hgyxQYd8EoFBNdLCGYmIk34HsOV24ZmrU7Ca6j7at3tGs2Q6RW2LBsAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T00:29:57.317809Z"},"content_sha256":"4e28486f706a28cf1c891c80b5a98e53f105d51103f705a2e47f04446b1738b2","schema_version":"1.0","event_id":"sha256:4e28486f706a28cf1c891c80b5a98e53f105d51103f705a2e47f04446b1738b2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:MTJEVWYVGBSZ3LETLZF4BI2P7R","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Constraining the LRG Halo Occupation Distribution using Counts-in-Cylinders","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Beth A. Reid, David N. Spergel","submitted_at":"2008-09-25T21:31:43Z","abstract_excerpt":"The low number density of the Sloan Digital Sky Survey (SDSS) Luminous Red Galaxies (LRGs) suggests that LRGs occupying the same dark matter halo can be separated from pairs occupying distinct dark matter halos with high fidelity. We present a new technique, Counts-in-Cylinders (CiC), to constrain the parameters of the satellite contribution to the LRG Halo-Occupation Distribution (HOD). For a fiber collision-corrected SDSS spectroscopic LRG subsample at 0.16 < z < 0.36, we find the CiC multiplicity function is fit by a halo model where the average number of satellites in a halo of mass M is <"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0809.4505","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:33:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iWSHZ2KrGwzomDgDA7LYYwjT7rOJTZgqNyzycVq87Jf9JoyEYM8jn4BCyW3LMh/4914nowsZwOxgKkRwquqJCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T00:29:57.318145Z"},"content_sha256":"b68c9e96bf957712e92635e0baadbca33c0b973898df342c90d1988d8626ec03","schema_version":"1.0","event_id":"sha256:b68c9e96bf957712e92635e0baadbca33c0b973898df342c90d1988d8626ec03"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MTJEVWYVGBSZ3LETLZF4BI2P7R/bundle.json","state_url":"https://pith.science/pith/MTJEVWYVGBSZ3LETLZF4BI2P7R/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MTJEVWYVGBSZ3LETLZF4BI2P7R/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":"2026-05-28T00:29:57Z","links":{"resolver":"https://pith.science/pith/MTJEVWYVGBSZ3LETLZF4BI2P7R","bundle":"https://pith.science/pith/MTJEVWYVGBSZ3LETLZF4BI2P7R/bundle.json","state":"https://pith.science/pith/MTJEVWYVGBSZ3LETLZF4BI2P7R/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MTJEVWYVGBSZ3LETLZF4BI2P7R/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:MTJEVWYVGBSZ3LETLZF4BI2P7R","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":"e9dd3da1a0b4c50986230ff23137e075126c7749f29b8a6ec4db5cd79eb75801","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-09-25T21:31:43Z","title_canon_sha256":"ee75264be7454709f6990c6e5626ddb67e854ab0f8f98e39659892348239424a"},"schema_version":"1.0","source":{"id":"0809.4505","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0809.4505","created_at":"2026-05-18T04:33:36Z"},{"alias_kind":"arxiv_version","alias_value":"0809.4505v1","created_at":"2026-05-18T04:33:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0809.4505","created_at":"2026-05-18T04:33:36Z"},{"alias_kind":"pith_short_12","alias_value":"MTJEVWYVGBSZ","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"MTJEVWYVGBSZ3LET","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"MTJEVWYV","created_at":"2026-05-18T12:25:57Z"}],"graph_snapshots":[{"event_id":"sha256:b68c9e96bf957712e92635e0baadbca33c0b973898df342c90d1988d8626ec03","target":"graph","created_at":"2026-05-18T04:33:36Z","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":"The low number density of the Sloan Digital Sky Survey (SDSS) Luminous Red Galaxies (LRGs) suggests that LRGs occupying the same dark matter halo can be separated from pairs occupying distinct dark matter halos with high fidelity. We present a new technique, Counts-in-Cylinders (CiC), to constrain the parameters of the satellite contribution to the LRG Halo-Occupation Distribution (HOD). For a fiber collision-corrected SDSS spectroscopic LRG subsample at 0.16 < z < 0.36, we find the CiC multiplicity function is fit by a halo model where the average number of satellites in a halo of mass M is <","authors_text":"Beth A. Reid, David N. Spergel","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-09-25T21:31:43Z","title":"Constraining the LRG Halo Occupation Distribution using Counts-in-Cylinders"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0809.4505","kind":"arxiv","version":1},"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":"sha256:4e28486f706a28cf1c891c80b5a98e53f105d51103f705a2e47f04446b1738b2","target":"record","created_at":"2026-05-18T04:33:36Z","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":"e9dd3da1a0b4c50986230ff23137e075126c7749f29b8a6ec4db5cd79eb75801","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-09-25T21:31:43Z","title_canon_sha256":"ee75264be7454709f6990c6e5626ddb67e854ab0f8f98e39659892348239424a"},"schema_version":"1.0","source":{"id":"0809.4505","kind":"arxiv","version":1}},"canonical_sha256":"64d24adb1530659dac935e4bc0a34ffc50cb4ac91d60d5cec1aec75b14abde87","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"64d24adb1530659dac935e4bc0a34ffc50cb4ac91d60d5cec1aec75b14abde87","first_computed_at":"2026-05-18T04:33:36.697218Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:33:36.697218Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"krj0m+yYo7CRViwFRZVAz8P8O2Jvc19i9v/ECylNw6TsVf5egwg10pzF4WAEb8bAh+8YvuT0HZ8TDHvbQGUIBw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:33:36.697773Z","signed_message":"canonical_sha256_bytes"},"source_id":"0809.4505","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4e28486f706a28cf1c891c80b5a98e53f105d51103f705a2e47f04446b1738b2","sha256:b68c9e96bf957712e92635e0baadbca33c0b973898df342c90d1988d8626ec03"],"state_sha256":"21b97543be5dca0148ef1e315947f7ea63074fabf793c3cef89726606fe75edc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"221r6RaoZ/yEXA8BQLJeCU8tzT2JfpqPIxpVPQklMOBNvWxx+L/7jjQO1Wr9AyihThH8LLFpOxz/19va7kINBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T00:29:57.320300Z","bundle_sha256":"ec7ab0fbc49365737e720320edaeb8c62fdef3151806a9a24e1a9ecb417847a3"}}