{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:F3IQ6EEFQ3PCICXJYQLTPMMJEI","short_pith_number":"pith:F3IQ6EEF","schema_version":"1.0","canonical_sha256":"2ed10f108586de240ae9c41737b189221f46ba543c41f5d5ad998b8917715069","source":{"kind":"arxiv","id":"1612.03649","version":2},"attestation_state":"computed","paper":{"title":"Hierarchical searching in episodic memory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"q-bio.NC","authors_text":"Francesco Fumarola","submitted_at":"2016-12-12T12:42:35Z","abstract_excerpt":"An analysis of free-recall datasets from two independent experiments allows to identify two anomalous instances of non-monotonicity in free recall: a maximum in the dependence of the inter-response intervals on the serial-position lags, and a minimum in the rate of contiguous recall near the beginning of the recall process. Both effects, it is argued, may stem from a hierarchical search protocol in the space of memories. An elementary random-walk model on binary strings is used to test this hypothesis."},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1612.03649","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2016-12-12T12:42:35Z","cross_cats_sorted":[],"title_canon_sha256":"56eacecf3b8c7e0bc2999779bc65325174c84155bc03eb35ea01d76cc56e38e5","abstract_canon_sha256":"95d844cbac6c463c6b41411901b9dfd067c2e9277d69e047dd50aaecaaa27c92"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:44:51.916751Z","signature_b64":"pZxVK5B+p3YjouOB7Ue0RBLPLlx/5piBFIe1Glkw4OkvFz0HNa9+1BFfTXGtxiL43fLHCIhxioBV/9z81NNRAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2ed10f108586de240ae9c41737b189221f46ba543c41f5d5ad998b8917715069","last_reissued_at":"2026-05-18T00:44:51.916102Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:44:51.916102Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Hierarchical searching in episodic memory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"q-bio.NC","authors_text":"Francesco Fumarola","submitted_at":"2016-12-12T12:42:35Z","abstract_excerpt":"An analysis of free-recall datasets from two independent experiments allows to identify two anomalous instances of non-monotonicity in free recall: a maximum in the dependence of the inter-response intervals on the serial-position lags, and a minimum in the rate of contiguous recall near the beginning of the recall process. Both effects, it is argued, may stem from a hierarchical search protocol in the space of memories. An elementary random-walk model on binary strings is used to test this hypothesis."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.03649","kind":"arxiv","version":2},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1612.03649","created_at":"2026-05-18T00:44:51.916220+00:00"},{"alias_kind":"arxiv_version","alias_value":"1612.03649v2","created_at":"2026-05-18T00:44:51.916220+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.03649","created_at":"2026-05-18T00:44:51.916220+00:00"},{"alias_kind":"pith_short_12","alias_value":"F3IQ6EEFQ3PC","created_at":"2026-05-18T12:30:15.759754+00:00"},{"alias_kind":"pith_short_16","alias_value":"F3IQ6EEFQ3PCICXJ","created_at":"2026-05-18T12:30:15.759754+00:00"},{"alias_kind":"pith_short_8","alias_value":"F3IQ6EEF","created_at":"2026-05-18T12:30:15.759754+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/F3IQ6EEFQ3PCICXJYQLTPMMJEI","json":"https://pith.science/pith/F3IQ6EEFQ3PCICXJYQLTPMMJEI.json","graph_json":"https://pith.science/api/pith-number/F3IQ6EEFQ3PCICXJYQLTPMMJEI/graph.json","events_json":"https://pith.science/api/pith-number/F3IQ6EEFQ3PCICXJYQLTPMMJEI/events.json","paper":"https://pith.science/paper/F3IQ6EEF"},"agent_actions":{"view_html":"https://pith.science/pith/F3IQ6EEFQ3PCICXJYQLTPMMJEI","download_json":"https://pith.science/pith/F3IQ6EEFQ3PCICXJYQLTPMMJEI.json","view_paper":"https://pith.science/paper/F3IQ6EEF","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1612.03649&json=true","fetch_graph":"https://pith.science/api/pith-number/F3IQ6EEFQ3PCICXJYQLTPMMJEI/graph.json","fetch_events":"https://pith.science/api/pith-number/F3IQ6EEFQ3PCICXJYQLTPMMJEI/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/F3IQ6EEFQ3PCICXJYQLTPMMJEI/action/timestamp_anchor","attest_storage":"https://pith.science/pith/F3IQ6EEFQ3PCICXJYQLTPMMJEI/action/storage_attestation","attest_author":"https://pith.science/pith/F3IQ6EEFQ3PCICXJYQLTPMMJEI/action/author_attestation","sign_citation":"https://pith.science/pith/F3IQ6EEFQ3PCICXJYQLTPMMJEI/action/citation_signature","submit_replication":"https://pith.science/pith/F3IQ6EEFQ3PCICXJYQLTPMMJEI/action/replication_record"}},"created_at":"2026-05-18T00:44:51.916220+00:00","updated_at":"2026-05-18T00:44:51.916220+00:00"}