{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:IRQ3KGFGTIUCZUVLME3H2C3B7U","short_pith_number":"pith:IRQ3KGFG","canonical_record":{"source":{"id":"1010.3009","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2010-10-14T19:30:08Z","cross_cats_sorted":[],"title_canon_sha256":"d0b36892379801153d2df24d6d3b2b8583fcdc979af8ee5170a480f56dcdfcb8","abstract_canon_sha256":"36710325ef3dc7481b5b567a723b251ecf571bce71f38ea1fda9e2b1aa1cebd0"},"schema_version":"1.0"},"canonical_sha256":"4461b518a69a282cd2ab61367d0b61fd0eaff14a26644149943bcb546413cde6","source":{"kind":"arxiv","id":"1010.3009","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1010.3009","created_at":"2026-05-18T04:39:18Z"},{"alias_kind":"arxiv_version","alias_value":"1010.3009v1","created_at":"2026-05-18T04:39:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.3009","created_at":"2026-05-18T04:39:18Z"},{"alias_kind":"pith_short_12","alias_value":"IRQ3KGFGTIUC","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"IRQ3KGFGTIUCZUVL","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"IRQ3KGFG","created_at":"2026-05-18T12:26:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:IRQ3KGFGTIUCZUVLME3H2C3B7U","target":"record","payload":{"canonical_record":{"source":{"id":"1010.3009","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2010-10-14T19:30:08Z","cross_cats_sorted":[],"title_canon_sha256":"d0b36892379801153d2df24d6d3b2b8583fcdc979af8ee5170a480f56dcdfcb8","abstract_canon_sha256":"36710325ef3dc7481b5b567a723b251ecf571bce71f38ea1fda9e2b1aa1cebd0"},"schema_version":"1.0"},"canonical_sha256":"4461b518a69a282cd2ab61367d0b61fd0eaff14a26644149943bcb546413cde6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:39:18.655859Z","signature_b64":"7A5lfHWWLN85Nzy3eErtlHX7XQn/ty4QtFY52mOMEBowfv32FpH/2oMDYaxWRQHyZ+Zsom+F4Nre1pvoVZDPBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4461b518a69a282cd2ab61367d0b61fd0eaff14a26644149943bcb546413cde6","last_reissued_at":"2026-05-18T04:39:18.655369Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:39:18.655369Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1010.3009","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":"2026-05-18T04:39:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mQDbSHoZAsVoO1RtOBUACANHkMpJX5WyBbQGRpwp7NdpwmtnKttTyopTd3w6Cbxvjcyo7PShDvBm+wH/GjjgCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T20:14:16.102806Z"},"content_sha256":"27924bc68751fcae35230feff13fd431ae638603df41c8d2cb39fba717eaa5c3","schema_version":"1.0","event_id":"sha256:27924bc68751fcae35230feff13fd431ae638603df41c8d2cb39fba717eaa5c3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:IRQ3KGFGTIUCZUVLME3H2C3B7U","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Curiosity and Pleasure","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"q-bio.NC","authors_text":"Leonid Perlovsky, Marie-Claude Bonniot-Cabanac, Michel Cabanac","submitted_at":"2010-10-14T19:30:08Z","abstract_excerpt":"Heuristic decision making received wide attention due to the work of Tversky and Kahneman (1981) and inspired multiple studies of irrationality of the human mind and a fundamental disregard for knowledge. But what is the source of all human knowledge, including heuristics? We discuss the hypothesis that acquisition of knowledge is a deeply rooted psychological need, a motivational mechanism for perception as well as higher cognition. We report experimental results showing that acquisition of knowledge is emotionally pleasing. The satisfaction of curiosity through acquiring knowledge brings ple"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.3009","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":"2026-05-18T04:39:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yQ0eeH2VynV4ilEA68vM9z7tHMv38HSGu7uBQVZOF5QdF1wu9ZtNvoe/bWHWxBdKwFp0kM30ym7nTkkG1hhyDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T20:14:16.103153Z"},"content_sha256":"480ef9decd38f4eab78801211d3e2ecc5043dbc5e876c4087ccb66d1d8bce5c2","schema_version":"1.0","event_id":"sha256:480ef9decd38f4eab78801211d3e2ecc5043dbc5e876c4087ccb66d1d8bce5c2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IRQ3KGFGTIUCZUVLME3H2C3B7U/bundle.json","state_url":"https://pith.science/pith/IRQ3KGFGTIUCZUVLME3H2C3B7U/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IRQ3KGFGTIUCZUVLME3H2C3B7U/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":"2026-06-27T20:14:16Z","links":{"resolver":"https://pith.science/pith/IRQ3KGFGTIUCZUVLME3H2C3B7U","bundle":"https://pith.science/pith/IRQ3KGFGTIUCZUVLME3H2C3B7U/bundle.json","state":"https://pith.science/pith/IRQ3KGFGTIUCZUVLME3H2C3B7U/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IRQ3KGFGTIUCZUVLME3H2C3B7U/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:IRQ3KGFGTIUCZUVLME3H2C3B7U","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":"36710325ef3dc7481b5b567a723b251ecf571bce71f38ea1fda9e2b1aa1cebd0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2010-10-14T19:30:08Z","title_canon_sha256":"d0b36892379801153d2df24d6d3b2b8583fcdc979af8ee5170a480f56dcdfcb8"},"schema_version":"1.0","source":{"id":"1010.3009","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1010.3009","created_at":"2026-05-18T04:39:18Z"},{"alias_kind":"arxiv_version","alias_value":"1010.3009v1","created_at":"2026-05-18T04:39:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.3009","created_at":"2026-05-18T04:39:18Z"},{"alias_kind":"pith_short_12","alias_value":"IRQ3KGFGTIUC","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"IRQ3KGFGTIUCZUVL","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"IRQ3KGFG","created_at":"2026-05-18T12:26:09Z"}],"graph_snapshots":[{"event_id":"sha256:480ef9decd38f4eab78801211d3e2ecc5043dbc5e876c4087ccb66d1d8bce5c2","target":"graph","created_at":"2026-05-18T04:39:18Z","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":"Heuristic decision making received wide attention due to the work of Tversky and Kahneman (1981) and inspired multiple studies of irrationality of the human mind and a fundamental disregard for knowledge. But what is the source of all human knowledge, including heuristics? We discuss the hypothesis that acquisition of knowledge is a deeply rooted psychological need, a motivational mechanism for perception as well as higher cognition. We report experimental results showing that acquisition of knowledge is emotionally pleasing. The satisfaction of curiosity through acquiring knowledge brings ple","authors_text":"Leonid Perlovsky, Marie-Claude Bonniot-Cabanac, Michel Cabanac","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2010-10-14T19:30:08Z","title":"Curiosity and Pleasure"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.3009","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":"sha256:27924bc68751fcae35230feff13fd431ae638603df41c8d2cb39fba717eaa5c3","target":"record","created_at":"2026-05-18T04:39:18Z","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":"36710325ef3dc7481b5b567a723b251ecf571bce71f38ea1fda9e2b1aa1cebd0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2010-10-14T19:30:08Z","title_canon_sha256":"d0b36892379801153d2df24d6d3b2b8583fcdc979af8ee5170a480f56dcdfcb8"},"schema_version":"1.0","source":{"id":"1010.3009","kind":"arxiv","version":1}},"canonical_sha256":"4461b518a69a282cd2ab61367d0b61fd0eaff14a26644149943bcb546413cde6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4461b518a69a282cd2ab61367d0b61fd0eaff14a26644149943bcb546413cde6","first_computed_at":"2026-05-18T04:39:18.655369Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:39:18.655369Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7A5lfHWWLN85Nzy3eErtlHX7XQn/ty4QtFY52mOMEBowfv32FpH/2oMDYaxWRQHyZ+Zsom+F4Nre1pvoVZDPBg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:39:18.655859Z","signed_message":"canonical_sha256_bytes"},"source_id":"1010.3009","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:27924bc68751fcae35230feff13fd431ae638603df41c8d2cb39fba717eaa5c3","sha256:480ef9decd38f4eab78801211d3e2ecc5043dbc5e876c4087ccb66d1d8bce5c2"],"state_sha256":"4afb7a464e1c0f6ad4b217b28e6e1be67cb866d77cd8fcae1e5b72a570689609"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lLTepcZqz8WAkYefU8WfTeN8W84IgHdV4+weBWkXKlu6Wa8jxu7beOhv3J9ZWLTuccWg2WafYPb5PoCmxGU7Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-27T20:14:16.105077Z","bundle_sha256":"2b32308aa92c4747413d814c0590b71b9f9d9dfe1b7ef2979b8f56fc9fe6cd9a"}}