{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:IMRBRSGQV76WT3SOYY7J7B4QKJ","short_pith_number":"pith:IMRBRSGQ","canonical_record":{"source":{"id":"1307.3235","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2013-07-11T19:52:20Z","cross_cats_sorted":[],"title_canon_sha256":"f7cc5ca72b4d7940789bd240092785a691174bddbe812b04bd03837fdf3d1855","abstract_canon_sha256":"291d5b043f73da9d14200a6342195cadc5e4e1ab7c40bcea514e8bfdee9e0587"},"schema_version":"1.0"},"canonical_sha256":"432218c8d0affd69ee4ec63e9f8790526c82f97ab80abcfc45b97e30d1b33329","source":{"kind":"arxiv","id":"1307.3235","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.3235","created_at":"2026-05-18T01:48:51Z"},{"alias_kind":"arxiv_version","alias_value":"1307.3235v4","created_at":"2026-05-18T01:48:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.3235","created_at":"2026-05-18T01:48:51Z"},{"alias_kind":"pith_short_12","alias_value":"IMRBRSGQV76W","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_16","alias_value":"IMRBRSGQV76WT3SO","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_8","alias_value":"IMRBRSGQ","created_at":"2026-05-18T12:27:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:IMRBRSGQV76WT3SOYY7J7B4QKJ","target":"record","payload":{"canonical_record":{"source":{"id":"1307.3235","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2013-07-11T19:52:20Z","cross_cats_sorted":[],"title_canon_sha256":"f7cc5ca72b4d7940789bd240092785a691174bddbe812b04bd03837fdf3d1855","abstract_canon_sha256":"291d5b043f73da9d14200a6342195cadc5e4e1ab7c40bcea514e8bfdee9e0587"},"schema_version":"1.0"},"canonical_sha256":"432218c8d0affd69ee4ec63e9f8790526c82f97ab80abcfc45b97e30d1b33329","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:48:51.500658Z","signature_b64":"cJ4g3GyjCl6UX1jV4qH08mK8EUKP+nH/bHn5KhVvqKJC0EpwUqT9xDdpyePoxqxm+V0B1wLcCl65eVx/4oq+Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"432218c8d0affd69ee4ec63e9f8790526c82f97ab80abcfc45b97e30d1b33329","last_reissued_at":"2026-05-18T01:48:51.500094Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:48:51.500094Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1307.3235","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:48:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gixgj/PxKjxVXvlXra9dEaEQ8/QCdYPNB26gTB5g5EbPY9LfTHjMs5gSwjSw5oAAL0Jtp+6qmNk8bs27Unt+Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-29T08:39:01.900904Z"},"content_sha256":"f38799f927ae916c82dbc3f1dc713f658e8fabc8a59683806c38f3aa8987a5ec","schema_version":"1.0","event_id":"sha256:f38799f927ae916c82dbc3f1dc713f658e8fabc8a59683806c38f3aa8987a5ec"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:IMRBRSGQV76WT3SOYY7J7B4QKJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The sign rule and beyond: Boundary effects, flexibility, and noise correlations in neural population codes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"q-bio.NC","authors_text":"Eric Shea-Brown, Joel Zylberberg, Yu Hu","submitted_at":"2013-07-11T19:52:20Z","abstract_excerpt":"Over repeat presentations of the same stimulus, sensory neurons show variable responses. This \"noise\" is typically correlated between pairs of cells, and a question with rich history in neuroscience is how these noise correlations impact the population's ability to encode the stimulus. Here, we consider a very general setting for population coding, investigating how information varies as a function of noise correlations, with all other aspects of the problem - neural tuning curves, etc. - held fixed. This work yields unifying insights into the role of noise correlations. These are summarized i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.3235","kind":"arxiv","version":4},"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":"2026-05-18T01:48:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"I77Mq24h0NdTnG/gVFggMdbC/4iIHUfQ/S4H/wZs67mLO8rYGjfyrxQwV4uXNBIehnvn9d0zGyNXi5kw32vJAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-29T08:39:01.901245Z"},"content_sha256":"011905b20376f0a6181246786a7f0a02e6484e42195a7d24b15d70f686c4e11f","schema_version":"1.0","event_id":"sha256:011905b20376f0a6181246786a7f0a02e6484e42195a7d24b15d70f686c4e11f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IMRBRSGQV76WT3SOYY7J7B4QKJ/bundle.json","state_url":"https://pith.science/pith/IMRBRSGQV76WT3SOYY7J7B4QKJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IMRBRSGQV76WT3SOYY7J7B4QKJ/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":"2026-06-29T08:39:01Z","links":{"resolver":"https://pith.science/pith/IMRBRSGQV76WT3SOYY7J7B4QKJ","bundle":"https://pith.science/pith/IMRBRSGQV76WT3SOYY7J7B4QKJ/bundle.json","state":"https://pith.science/pith/IMRBRSGQV76WT3SOYY7J7B4QKJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IMRBRSGQV76WT3SOYY7J7B4QKJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:IMRBRSGQV76WT3SOYY7J7B4QKJ","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":"291d5b043f73da9d14200a6342195cadc5e4e1ab7c40bcea514e8bfdee9e0587","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2013-07-11T19:52:20Z","title_canon_sha256":"f7cc5ca72b4d7940789bd240092785a691174bddbe812b04bd03837fdf3d1855"},"schema_version":"1.0","source":{"id":"1307.3235","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.3235","created_at":"2026-05-18T01:48:51Z"},{"alias_kind":"arxiv_version","alias_value":"1307.3235v4","created_at":"2026-05-18T01:48:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.3235","created_at":"2026-05-18T01:48:51Z"},{"alias_kind":"pith_short_12","alias_value":"IMRBRSGQV76W","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_16","alias_value":"IMRBRSGQV76WT3SO","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_8","alias_value":"IMRBRSGQ","created_at":"2026-05-18T12:27:46Z"}],"graph_snapshots":[{"event_id":"sha256:011905b20376f0a6181246786a7f0a02e6484e42195a7d24b15d70f686c4e11f","target":"graph","created_at":"2026-05-18T01:48:51Z","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":"Over repeat presentations of the same stimulus, sensory neurons show variable responses. This \"noise\" is typically correlated between pairs of cells, and a question with rich history in neuroscience is how these noise correlations impact the population's ability to encode the stimulus. Here, we consider a very general setting for population coding, investigating how information varies as a function of noise correlations, with all other aspects of the problem - neural tuning curves, etc. - held fixed. This work yields unifying insights into the role of noise correlations. These are summarized i","authors_text":"Eric Shea-Brown, Joel Zylberberg, Yu Hu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2013-07-11T19:52:20Z","title":"The sign rule and beyond: Boundary effects, flexibility, and noise correlations in neural population codes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.3235","kind":"arxiv","version":4},"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:f38799f927ae916c82dbc3f1dc713f658e8fabc8a59683806c38f3aa8987a5ec","target":"record","created_at":"2026-05-18T01:48:51Z","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":"291d5b043f73da9d14200a6342195cadc5e4e1ab7c40bcea514e8bfdee9e0587","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2013-07-11T19:52:20Z","title_canon_sha256":"f7cc5ca72b4d7940789bd240092785a691174bddbe812b04bd03837fdf3d1855"},"schema_version":"1.0","source":{"id":"1307.3235","kind":"arxiv","version":4}},"canonical_sha256":"432218c8d0affd69ee4ec63e9f8790526c82f97ab80abcfc45b97e30d1b33329","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"432218c8d0affd69ee4ec63e9f8790526c82f97ab80abcfc45b97e30d1b33329","first_computed_at":"2026-05-18T01:48:51.500094Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:48:51.500094Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cJ4g3GyjCl6UX1jV4qH08mK8EUKP+nH/bHn5KhVvqKJC0EpwUqT9xDdpyePoxqxm+V0B1wLcCl65eVx/4oq+Aw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:48:51.500658Z","signed_message":"canonical_sha256_bytes"},"source_id":"1307.3235","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f38799f927ae916c82dbc3f1dc713f658e8fabc8a59683806c38f3aa8987a5ec","sha256:011905b20376f0a6181246786a7f0a02e6484e42195a7d24b15d70f686c4e11f"],"state_sha256":"32da743e0df459fd3991630f7c97c3bbd30358d2f90bd25391eea07e8a7cdf83"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F9xqpS1PXYvO7ClhELo+W553qTsZVL9JzvSSg1QyIuiG9XV7B8C4eV3g/LqQv5VBTZKl+MqJ8f9zZiHScOtBAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-29T08:39:01.903080Z","bundle_sha256":"bd8b8601bf08c705ddcbed260c9af8b3fe089254c8bcdb020c3d48215756ec05"}}