{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:JPRE5DOYMYBBKHVYADWQCMH5H6","short_pith_number":"pith:JPRE5DOY","canonical_record":{"source":{"id":"astro-ph/0308525","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-08-29T05:00:39Z","cross_cats_sorted":[],"title_canon_sha256":"b13e3fa58406b98026ae92ffade87b7e7ce6e37d7ebd997153afff38dd4bdef0","abstract_canon_sha256":"3e7ce9f69ff1817d3a132fffe86ace1964b94de6223c0cf026bd59b474820ec2"},"schema_version":"1.0"},"canonical_sha256":"4be24e8dd86602151eb800ed0130fd3fab01ae1668c5cb1f020ffc64e2674bd4","source":{"kind":"arxiv","id":"astro-ph/0308525","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0308525","created_at":"2026-07-04T16:51:32Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0308525v1","created_at":"2026-07-04T16:51:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0308525","created_at":"2026-07-04T16:51:32Z"},{"alias_kind":"pith_short_12","alias_value":"JPRE5DOYMYBB","created_at":"2026-07-04T16:51:32Z"},{"alias_kind":"pith_short_16","alias_value":"JPRE5DOYMYBBKHVY","created_at":"2026-07-04T16:51:32Z"},{"alias_kind":"pith_short_8","alias_value":"JPRE5DOY","created_at":"2026-07-04T16:51:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:JPRE5DOYMYBBKHVYADWQCMH5H6","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0308525","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-08-29T05:00:39Z","cross_cats_sorted":[],"title_canon_sha256":"b13e3fa58406b98026ae92ffade87b7e7ce6e37d7ebd997153afff38dd4bdef0","abstract_canon_sha256":"3e7ce9f69ff1817d3a132fffe86ace1964b94de6223c0cf026bd59b474820ec2"},"schema_version":"1.0"},"canonical_sha256":"4be24e8dd86602151eb800ed0130fd3fab01ae1668c5cb1f020ffc64e2674bd4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:51:32.430322Z","signature_b64":"DYUl1umWg03iS5CvliB0iuyfRC1Cz2WJOWhRMSYQml59XMepmmPds4DfdFrY8/LexD9KGGU/S1Dy0951BrjNBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4be24e8dd86602151eb800ed0130fd3fab01ae1668c5cb1f020ffc64e2674bd4","last_reissued_at":"2026-07-04T16:51:32.429973Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:51:32.429973Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0308525","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":"2026-07-04T16:51:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/aMQM0nYCwl4TWk2UhfZJCVoGBFZipOWt0ko7R5WV/N0qQQg60RzvciiGldbKxZ5QlZObOZujqfUF8jv8EqQCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T05:07:39.827425Z"},"content_sha256":"0c64fcac4f57d594e03f5e13d8ff3938ffbaf4ab1fe6353901b5c1f14d2cd3ca","schema_version":"1.0","event_id":"sha256:0c64fcac4f57d594e03f5e13d8ff3938ffbaf4ab1fe6353901b5c1f14d2cd3ca"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:JPRE5DOYMYBBKHVYADWQCMH5H6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On Recovering the Nonlinear Bias Function from Counts in Cells Measurements","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Istvan Szapudi, Jun Pan","submitted_at":"2003-08-29T05:00:39Z","abstract_excerpt":"We present a simple and accurate method to constrain galaxy bias based on the distribution of counts in cells. The most unique feature of our technique is that it is applicable to non-linear scales, where both dark matter statistics and the nature of galaxy bias are fairly complex. First, we estimate the underlying continuous distribution function from precise counts-in-cells measurements assuming local Poisson sampling. Then a robust, non-parametric inversion of the bias function is recovered from the comparison of the cumulative distributions in simulated dark matter and galaxy catalogs. Obt"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0308525","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/0308525/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T16:51:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2FEOZg+In7+4BU/Ezhao19UC39JRNP2iijtb2x08hEpY5tzO5awNwNlLdhKm4lYuL7UCFhtl8a3yyyGLVC/yCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T05:07:39.827797Z"},"content_sha256":"cad7788ebb99c7c06f773671800a391be69bc96d72d49edb15001aa3b7868351","schema_version":"1.0","event_id":"sha256:cad7788ebb99c7c06f773671800a391be69bc96d72d49edb15001aa3b7868351"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JPRE5DOYMYBBKHVYADWQCMH5H6/bundle.json","state_url":"https://pith.science/pith/JPRE5DOYMYBBKHVYADWQCMH5H6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JPRE5DOYMYBBKHVYADWQCMH5H6/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":"2026-07-05T05:07:39Z","links":{"resolver":"https://pith.science/pith/JPRE5DOYMYBBKHVYADWQCMH5H6","bundle":"https://pith.science/pith/JPRE5DOYMYBBKHVYADWQCMH5H6/bundle.json","state":"https://pith.science/pith/JPRE5DOYMYBBKHVYADWQCMH5H6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JPRE5DOYMYBBKHVYADWQCMH5H6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:JPRE5DOYMYBBKHVYADWQCMH5H6","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":"3e7ce9f69ff1817d3a132fffe86ace1964b94de6223c0cf026bd59b474820ec2","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-08-29T05:00:39Z","title_canon_sha256":"b13e3fa58406b98026ae92ffade87b7e7ce6e37d7ebd997153afff38dd4bdef0"},"schema_version":"1.0","source":{"id":"astro-ph/0308525","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0308525","created_at":"2026-07-04T16:51:32Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0308525v1","created_at":"2026-07-04T16:51:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0308525","created_at":"2026-07-04T16:51:32Z"},{"alias_kind":"pith_short_12","alias_value":"JPRE5DOYMYBB","created_at":"2026-07-04T16:51:32Z"},{"alias_kind":"pith_short_16","alias_value":"JPRE5DOYMYBBKHVY","created_at":"2026-07-04T16:51:32Z"},{"alias_kind":"pith_short_8","alias_value":"JPRE5DOY","created_at":"2026-07-04T16:51:32Z"}],"graph_snapshots":[{"event_id":"sha256:cad7788ebb99c7c06f773671800a391be69bc96d72d49edb15001aa3b7868351","target":"graph","created_at":"2026-07-04T16:51:32Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/astro-ph/0308525/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a simple and accurate method to constrain galaxy bias based on the distribution of counts in cells. The most unique feature of our technique is that it is applicable to non-linear scales, where both dark matter statistics and the nature of galaxy bias are fairly complex. First, we estimate the underlying continuous distribution function from precise counts-in-cells measurements assuming local Poisson sampling. Then a robust, non-parametric inversion of the bias function is recovered from the comparison of the cumulative distributions in simulated dark matter and galaxy catalogs. Obt","authors_text":"Istvan Szapudi, Jun Pan","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2003-08-29T05:00:39Z","title":"On Recovering the Nonlinear Bias Function from Counts in Cells Measurements"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0308525","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":"sha256:0c64fcac4f57d594e03f5e13d8ff3938ffbaf4ab1fe6353901b5c1f14d2cd3ca","target":"record","created_at":"2026-07-04T16:51:32Z","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":"3e7ce9f69ff1817d3a132fffe86ace1964b94de6223c0cf026bd59b474820ec2","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-08-29T05:00:39Z","title_canon_sha256":"b13e3fa58406b98026ae92ffade87b7e7ce6e37d7ebd997153afff38dd4bdef0"},"schema_version":"1.0","source":{"id":"astro-ph/0308525","kind":"arxiv","version":1}},"canonical_sha256":"4be24e8dd86602151eb800ed0130fd3fab01ae1668c5cb1f020ffc64e2674bd4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4be24e8dd86602151eb800ed0130fd3fab01ae1668c5cb1f020ffc64e2674bd4","first_computed_at":"2026-07-04T16:51:32.429973Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:51:32.429973Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DYUl1umWg03iS5CvliB0iuyfRC1Cz2WJOWhRMSYQml59XMepmmPds4DfdFrY8/LexD9KGGU/S1Dy0951BrjNBw==","signature_status":"signed_v1","signed_at":"2026-07-04T16:51:32.430322Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0308525","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0c64fcac4f57d594e03f5e13d8ff3938ffbaf4ab1fe6353901b5c1f14d2cd3ca","sha256:cad7788ebb99c7c06f773671800a391be69bc96d72d49edb15001aa3b7868351"],"state_sha256":"eb336864820f13bfaf7c0c5f735d228d1909c7b7e1d3caf480013fa5183ee2f8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WSaEHHfENJ/6w4ecpvpIh2ILZu+4S2BeGEpf7+JszNvCywvvzhgRCa2gdWFYmHLkC84SjTC10lF+sCm09VBDAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T05:07:39.829791Z","bundle_sha256":"c453f3549fccf71aace2a537e83041514ec1167663adf1366a27d6706a447b21"}}