{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:6GZXRXVHYTVYMQDCHQQMKUFF62","short_pith_number":"pith:6GZXRXVH","canonical_record":{"source":{"id":"1102.4749","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2011-02-23T14:32:28Z","cross_cats_sorted":["physics.bio-ph"],"title_canon_sha256":"9348913317d74072014c9033dfe02f9cb698aead973aadac9596319430e455bb","abstract_canon_sha256":"4a0f369d8b3c2aa673c88ebafc3baec84b840cb75e1d490d421c2c509bfd6c54"},"schema_version":"1.0"},"canonical_sha256":"f1b378dea7c4eb8640623c20c550a5f6ad48151add4886a2d6ae6ffb8babb9cf","source":{"kind":"arxiv","id":"1102.4749","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1102.4749","created_at":"2026-05-18T04:01:13Z"},{"alias_kind":"arxiv_version","alias_value":"1102.4749v1","created_at":"2026-05-18T04:01:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.4749","created_at":"2026-05-18T04:01:13Z"},{"alias_kind":"pith_short_12","alias_value":"6GZXRXVHYTVY","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_16","alias_value":"6GZXRXVHYTVYMQDC","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_8","alias_value":"6GZXRXVH","created_at":"2026-05-18T12:26:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:6GZXRXVHYTVYMQDCHQQMKUFF62","target":"record","payload":{"canonical_record":{"source":{"id":"1102.4749","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2011-02-23T14:32:28Z","cross_cats_sorted":["physics.bio-ph"],"title_canon_sha256":"9348913317d74072014c9033dfe02f9cb698aead973aadac9596319430e455bb","abstract_canon_sha256":"4a0f369d8b3c2aa673c88ebafc3baec84b840cb75e1d490d421c2c509bfd6c54"},"schema_version":"1.0"},"canonical_sha256":"f1b378dea7c4eb8640623c20c550a5f6ad48151add4886a2d6ae6ffb8babb9cf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:01:13.227618Z","signature_b64":"oal3ak+8rJ4bVz7uiWrUJ7O/94UkMRUyuHkdq0MspKP9nCiOt1I+eJURBM2gcUO5Zwm77ZZfsU+xZ2lSvFPMAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f1b378dea7c4eb8640623c20c550a5f6ad48151add4886a2d6ae6ffb8babb9cf","last_reissued_at":"2026-05-18T04:01:13.227014Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:01:13.227014Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1102.4749","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":"2026-05-18T04:01:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Se3EnNRio1YibjGAR0wx4r4JNt/geA6duAbEoqyr4/GATtv1uATS9RKnmr6j5ygZrAPZE4GdxrbBNchKc+OcAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T23:03:56.511228Z"},"content_sha256":"188cdea9c1a3ca007f870cb5c014af754b1b070945c3dd4418f5a27e6dbf23fd","schema_version":"1.0","event_id":"sha256:188cdea9c1a3ca007f870cb5c014af754b1b070945c3dd4418f5a27e6dbf23fd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:6GZXRXVHYTVYMQDCHQQMKUFF62","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Perception of categories: from coding efficiency to reaction times","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.bio-ph"],"primary_cat":"q-bio.NC","authors_text":"Jean-Pierre Nadal, Laurent Bonnasse-Gahot","submitted_at":"2011-02-23T14:32:28Z","abstract_excerpt":"Reaction-times in perceptual tasks are the subject of many experimental and theoretical studies. With the neural decision making process as main focus, most of these works concern discrete (typically binary) choice tasks, implying the identification of the stimulus as an exemplar of a category. Here we address issues specific to the perception of categories (e.g. vowels, familiar faces, ...), making a clear distinction between identifying a category (an element of a discrete set) and estimating a continuous parameter (such as a direction). We exhibit a link between optimal Bayesian decoding an"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.4749","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":"2026-05-18T04:01:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"N138GviaqC0mJGdqJn5pfZsinuZac3P5sHErI/549/7VtepZUQZmH+x3eVPePdPKorQP9zW76ah8mZDpozzWCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T23:03:56.511928Z"},"content_sha256":"3d34724ba9565abb90880de9d8c29fa0eef6ead3241a13bae480bbc02c24d380","schema_version":"1.0","event_id":"sha256:3d34724ba9565abb90880de9d8c29fa0eef6ead3241a13bae480bbc02c24d380"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6GZXRXVHYTVYMQDCHQQMKUFF62/bundle.json","state_url":"https://pith.science/pith/6GZXRXVHYTVYMQDCHQQMKUFF62/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6GZXRXVHYTVYMQDCHQQMKUFF62/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":"2026-05-26T23:03:56Z","links":{"resolver":"https://pith.science/pith/6GZXRXVHYTVYMQDCHQQMKUFF62","bundle":"https://pith.science/pith/6GZXRXVHYTVYMQDCHQQMKUFF62/bundle.json","state":"https://pith.science/pith/6GZXRXVHYTVYMQDCHQQMKUFF62/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6GZXRXVHYTVYMQDCHQQMKUFF62/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:6GZXRXVHYTVYMQDCHQQMKUFF62","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":"4a0f369d8b3c2aa673c88ebafc3baec84b840cb75e1d490d421c2c509bfd6c54","cross_cats_sorted":["physics.bio-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2011-02-23T14:32:28Z","title_canon_sha256":"9348913317d74072014c9033dfe02f9cb698aead973aadac9596319430e455bb"},"schema_version":"1.0","source":{"id":"1102.4749","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1102.4749","created_at":"2026-05-18T04:01:13Z"},{"alias_kind":"arxiv_version","alias_value":"1102.4749v1","created_at":"2026-05-18T04:01:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.4749","created_at":"2026-05-18T04:01:13Z"},{"alias_kind":"pith_short_12","alias_value":"6GZXRXVHYTVY","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_16","alias_value":"6GZXRXVHYTVYMQDC","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_8","alias_value":"6GZXRXVH","created_at":"2026-05-18T12:26:22Z"}],"graph_snapshots":[{"event_id":"sha256:3d34724ba9565abb90880de9d8c29fa0eef6ead3241a13bae480bbc02c24d380","target":"graph","created_at":"2026-05-18T04:01:13Z","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":"Reaction-times in perceptual tasks are the subject of many experimental and theoretical studies. With the neural decision making process as main focus, most of these works concern discrete (typically binary) choice tasks, implying the identification of the stimulus as an exemplar of a category. Here we address issues specific to the perception of categories (e.g. vowels, familiar faces, ...), making a clear distinction between identifying a category (an element of a discrete set) and estimating a continuous parameter (such as a direction). We exhibit a link between optimal Bayesian decoding an","authors_text":"Jean-Pierre Nadal, Laurent Bonnasse-Gahot","cross_cats":["physics.bio-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2011-02-23T14:32:28Z","title":"Perception of categories: from coding efficiency to reaction times"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.4749","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":"sha256:188cdea9c1a3ca007f870cb5c014af754b1b070945c3dd4418f5a27e6dbf23fd","target":"record","created_at":"2026-05-18T04:01:13Z","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":"4a0f369d8b3c2aa673c88ebafc3baec84b840cb75e1d490d421c2c509bfd6c54","cross_cats_sorted":["physics.bio-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2011-02-23T14:32:28Z","title_canon_sha256":"9348913317d74072014c9033dfe02f9cb698aead973aadac9596319430e455bb"},"schema_version":"1.0","source":{"id":"1102.4749","kind":"arxiv","version":1}},"canonical_sha256":"f1b378dea7c4eb8640623c20c550a5f6ad48151add4886a2d6ae6ffb8babb9cf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f1b378dea7c4eb8640623c20c550a5f6ad48151add4886a2d6ae6ffb8babb9cf","first_computed_at":"2026-05-18T04:01:13.227014Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:01:13.227014Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oal3ak+8rJ4bVz7uiWrUJ7O/94UkMRUyuHkdq0MspKP9nCiOt1I+eJURBM2gcUO5Zwm77ZZfsU+xZ2lSvFPMAg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:01:13.227618Z","signed_message":"canonical_sha256_bytes"},"source_id":"1102.4749","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:188cdea9c1a3ca007f870cb5c014af754b1b070945c3dd4418f5a27e6dbf23fd","sha256:3d34724ba9565abb90880de9d8c29fa0eef6ead3241a13bae480bbc02c24d380"],"state_sha256":"15ebc395e8ce747dc38022f0b8b01c2f472ce4bc111ea9cae4f6e41df05cbc29"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qe4X6r622NQ95UR6bIUscGUqymNLGoI3KsYOYw390dB3W4IEWATuRjqn30Ic+A9aPdjcN1asaMNKCiz1NsbbBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T23:03:56.516128Z","bundle_sha256":"caa00ce1b3f33368d03ea9c901f290d5c31a0b09ede0c1879a3edc2ed513e263"}}