{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2002:WLYKZL4GTOMRDDKWOBTQK2OZN6","short_pith_number":"pith:WLYKZL4G","canonical_record":{"source":{"id":"physics/0208057","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"physics.bio-ph","submitted_at":"2002-08-14T03:59:24Z","cross_cats_sorted":["physics.data-an","q-bio.NC"],"title_canon_sha256":"b7bfa757bcf18d1778b8e2151a1d5812b470419e1dc0a9f767d920b0b0caeac5","abstract_canon_sha256":"873caadd5797861dd3191b11b2795ce96efab4d365b814aef48da16940898219"},"schema_version":"1.0"},"canonical_sha256":"b2f0acaf869b99118d5670670569d96f814373fcfd4483b5c5bea4c65f84344d","source":{"kind":"arxiv","id":"physics/0208057","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"physics/0208057","created_at":"2026-07-04T14:43:47Z"},{"alias_kind":"arxiv_version","alias_value":"physics/0208057v1","created_at":"2026-07-04T14:43:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.physics/0208057","created_at":"2026-07-04T14:43:47Z"},{"alias_kind":"pith_short_12","alias_value":"WLYKZL4GTOMR","created_at":"2026-07-04T14:43:47Z"},{"alias_kind":"pith_short_16","alias_value":"WLYKZL4GTOMRDDKW","created_at":"2026-07-04T14:43:47Z"},{"alias_kind":"pith_short_8","alias_value":"WLYKZL4G","created_at":"2026-07-04T14:43:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2002:WLYKZL4GTOMRDDKWOBTQK2OZN6","target":"record","payload":{"canonical_record":{"source":{"id":"physics/0208057","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"physics.bio-ph","submitted_at":"2002-08-14T03:59:24Z","cross_cats_sorted":["physics.data-an","q-bio.NC"],"title_canon_sha256":"b7bfa757bcf18d1778b8e2151a1d5812b470419e1dc0a9f767d920b0b0caeac5","abstract_canon_sha256":"873caadd5797861dd3191b11b2795ce96efab4d365b814aef48da16940898219"},"schema_version":"1.0"},"canonical_sha256":"b2f0acaf869b99118d5670670569d96f814373fcfd4483b5c5bea4c65f84344d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:43:47.844267Z","signature_b64":"nRGWHaY5LY+PsBn7mqNE7p/MwLwwZxrkmPxdm/60xigyDWKdb/r/IW3iT0MTrkpWPBPtQbae6f+0TUeXeNC5AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b2f0acaf869b99118d5670670569d96f814373fcfd4483b5c5bea4c65f84344d","last_reissued_at":"2026-07-04T14:43:47.843836Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:43:47.843836Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"physics/0208057","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":"2026-07-04T14:43:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"20+Sh+c0jPtzyTajDPRAAFuzqvt0rUlZuKEnkjPeIOLVbE9cNJR6CL/3UJqTDmBg/Pq57unX44bUcTNlF9hbBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T13:17:55.502293Z"},"content_sha256":"459e1bd45304c297b6d856a0fdfa35f0d399c4e8e075751869a205efe8bccac1","schema_version":"1.0","event_id":"sha256:459e1bd45304c297b6d856a0fdfa35f0d399c4e8e075751869a205efe8bccac1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2002:WLYKZL4GTOMRDDKWOBTQK2OZN6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Maximally informative dimensions: Analyzing neural responses to natural signals","license":"","headline":"","cross_cats":["physics.data-an","q-bio.NC"],"primary_cat":"physics.bio-ph","authors_text":"Nicole C. Rust, Tatyana Sharpee, William Bialek","submitted_at":"2002-08-14T03:59:24Z","abstract_excerpt":"We propose a method that would allow for a rigorous statistical analysis of neural responses to natural stimuli, which are non-Gaussian and exhibit strong correlations. We have in mind a model in which neurons are selective for a small number of stimulus dimensions out of the high dimensional stimulus space, but within this subspace the responses can be arbitrarily nonlinear. Existing analysis methods are based on correlation functions between stimuli and responses, but these methods are guaranteed to work only in the case of Gaussian stimulus ensembles. As an alternative to correlation functi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"physics/0208057","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/physics/0208057/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":"2026-07-04T14:43:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FOkMU90nh4vvA1DpPf5NksnSlH7VbJvm/mmbE8xP0PMjcmPeC3KQ0Z40x94Ij0jcdjx8i86UaYjglRr3IDWGAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T13:17:55.502683Z"},"content_sha256":"1fdc833d0b622573bca21ac5af01460df1de45062ea5fc2c44993f583bb79080","schema_version":"1.0","event_id":"sha256:1fdc833d0b622573bca21ac5af01460df1de45062ea5fc2c44993f583bb79080"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WLYKZL4GTOMRDDKWOBTQK2OZN6/bundle.json","state_url":"https://pith.science/pith/WLYKZL4GTOMRDDKWOBTQK2OZN6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WLYKZL4GTOMRDDKWOBTQK2OZN6/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":"2026-08-22T13:17:55Z","links":{"resolver":"https://pith.science/pith/WLYKZL4GTOMRDDKWOBTQK2OZN6","bundle":"https://pith.science/pith/WLYKZL4GTOMRDDKWOBTQK2OZN6/bundle.json","state":"https://pith.science/pith/WLYKZL4GTOMRDDKWOBTQK2OZN6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WLYKZL4GTOMRDDKWOBTQK2OZN6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2002:WLYKZL4GTOMRDDKWOBTQK2OZN6","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":"873caadd5797861dd3191b11b2795ce96efab4d365b814aef48da16940898219","cross_cats_sorted":["physics.data-an","q-bio.NC"],"license":"","primary_cat":"physics.bio-ph","submitted_at":"2002-08-14T03:59:24Z","title_canon_sha256":"b7bfa757bcf18d1778b8e2151a1d5812b470419e1dc0a9f767d920b0b0caeac5"},"schema_version":"1.0","source":{"id":"physics/0208057","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"physics/0208057","created_at":"2026-07-04T14:43:47Z"},{"alias_kind":"arxiv_version","alias_value":"physics/0208057v1","created_at":"2026-07-04T14:43:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.physics/0208057","created_at":"2026-07-04T14:43:47Z"},{"alias_kind":"pith_short_12","alias_value":"WLYKZL4GTOMR","created_at":"2026-07-04T14:43:47Z"},{"alias_kind":"pith_short_16","alias_value":"WLYKZL4GTOMRDDKW","created_at":"2026-07-04T14:43:47Z"},{"alias_kind":"pith_short_8","alias_value":"WLYKZL4G","created_at":"2026-07-04T14:43:47Z"}],"graph_snapshots":[{"event_id":"sha256:1fdc833d0b622573bca21ac5af01460df1de45062ea5fc2c44993f583bb79080","target":"graph","created_at":"2026-07-04T14:43:47Z","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/physics/0208057/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We propose a method that would allow for a rigorous statistical analysis of neural responses to natural stimuli, which are non-Gaussian and exhibit strong correlations. We have in mind a model in which neurons are selective for a small number of stimulus dimensions out of the high dimensional stimulus space, but within this subspace the responses can be arbitrarily nonlinear. Existing analysis methods are based on correlation functions between stimuli and responses, but these methods are guaranteed to work only in the case of Gaussian stimulus ensembles. As an alternative to correlation functi","authors_text":"Nicole C. Rust, Tatyana Sharpee, William Bialek","cross_cats":["physics.data-an","q-bio.NC"],"headline":"","license":"","primary_cat":"physics.bio-ph","submitted_at":"2002-08-14T03:59:24Z","title":"Maximally informative dimensions: Analyzing neural responses to natural signals"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"physics/0208057","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":"sha256:459e1bd45304c297b6d856a0fdfa35f0d399c4e8e075751869a205efe8bccac1","target":"record","created_at":"2026-07-04T14:43:47Z","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":"873caadd5797861dd3191b11b2795ce96efab4d365b814aef48da16940898219","cross_cats_sorted":["physics.data-an","q-bio.NC"],"license":"","primary_cat":"physics.bio-ph","submitted_at":"2002-08-14T03:59:24Z","title_canon_sha256":"b7bfa757bcf18d1778b8e2151a1d5812b470419e1dc0a9f767d920b0b0caeac5"},"schema_version":"1.0","source":{"id":"physics/0208057","kind":"arxiv","version":1}},"canonical_sha256":"b2f0acaf869b99118d5670670569d96f814373fcfd4483b5c5bea4c65f84344d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b2f0acaf869b99118d5670670569d96f814373fcfd4483b5c5bea4c65f84344d","first_computed_at":"2026-07-04T14:43:47.843836Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:43:47.843836Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nRGWHaY5LY+PsBn7mqNE7p/MwLwwZxrkmPxdm/60xigyDWKdb/r/IW3iT0MTrkpWPBPtQbae6f+0TUeXeNC5AA==","signature_status":"signed_v1","signed_at":"2026-07-04T14:43:47.844267Z","signed_message":"canonical_sha256_bytes"},"source_id":"physics/0208057","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:459e1bd45304c297b6d856a0fdfa35f0d399c4e8e075751869a205efe8bccac1","sha256:1fdc833d0b622573bca21ac5af01460df1de45062ea5fc2c44993f583bb79080"],"state_sha256":"90f389f297a3ccdf8aa8ce9703c81fdeabd709cd8cd272d6676acd0deb70e9a7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GPfhZNytGI8jPjI9COpwkTPaR9Kc0rde4d/XdVmT+N57n+CfTUhE/FTlUIUs0+vne3AA/aGrHMqCwMT3QF4JCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-22T13:17:55.505347Z","bundle_sha256":"9f111f6d4606fcdf35012b1756cf8b899c3b1203cb398862e9f14b68742c23c1"}}