{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:CBWWBYBZNSZRQUQAKS2Y33NQER","short_pith_number":"pith:CBWWBYBZ","schema_version":"1.0","canonical_sha256":"106d60e0396cb318520054b58dedb02473f78b10ccbe1b4d5c861ff44ddd78af","source":{"kind":"arxiv","id":"1302.5122","version":5},"attestation_state":"computed","paper":{"title":"Naturally Rehearsing Passwords","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CR","authors_text":"Anupam Datta, Jeremiah Blocki, Manuel Blum","submitted_at":"2013-02-20T21:16:43Z","abstract_excerpt":"We introduce quantitative usability and security models to guide the design of password management schemes --- systematic strategies to help users create and remember multiple passwords. In the same way that security proofs in cryptography are based on complexity-theoretic assumptions (e.g., hardness of factoring and discrete logarithm), we quantify usability by introducing usability assumptions. In particular, password management relies on assumptions about human memory, e.g., that a user who follows a particular rehearsal schedule will successfully maintain the corresponding memory. These as"},"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":"1302.5122","kind":"arxiv","version":5},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2013-02-20T21:16:43Z","cross_cats_sorted":[],"title_canon_sha256":"103b90c8336c22051cbd1cb5c27cac88f61273e789749e64a446fe54b3c60616","abstract_canon_sha256":"ce1b5ed4446d07c010aa2af8f59b6ebf0969714edbe27b300fc464f5b447fceb"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:13:46.087647Z","signature_b64":"RD/v5xDNUumFXwf9mqxVpO8zDB3bgJPF91HPfRTCfB70Mluz2xt9vq6MxmPsMQ93Zdj0d8QJXKi/56POnEpWBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"106d60e0396cb318520054b58dedb02473f78b10ccbe1b4d5c861ff44ddd78af","last_reissued_at":"2026-05-18T03:13:46.087008Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:13:46.087008Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Naturally Rehearsing Passwords","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CR","authors_text":"Anupam Datta, Jeremiah Blocki, Manuel Blum","submitted_at":"2013-02-20T21:16:43Z","abstract_excerpt":"We introduce quantitative usability and security models to guide the design of password management schemes --- systematic strategies to help users create and remember multiple passwords. In the same way that security proofs in cryptography are based on complexity-theoretic assumptions (e.g., hardness of factoring and discrete logarithm), we quantify usability by introducing usability assumptions. In particular, password management relies on assumptions about human memory, e.g., that a user who follows a particular rehearsal schedule will successfully maintain the corresponding memory. These as"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.5122","kind":"arxiv","version":5},"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":"1302.5122","created_at":"2026-05-18T03:13:46.087121+00:00"},{"alias_kind":"arxiv_version","alias_value":"1302.5122v5","created_at":"2026-05-18T03:13:46.087121+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.5122","created_at":"2026-05-18T03:13:46.087121+00:00"},{"alias_kind":"pith_short_12","alias_value":"CBWWBYBZNSZR","created_at":"2026-05-18T12:27:40.988391+00:00"},{"alias_kind":"pith_short_16","alias_value":"CBWWBYBZNSZRQUQA","created_at":"2026-05-18T12:27:40.988391+00:00"},{"alias_kind":"pith_short_8","alias_value":"CBWWBYBZ","created_at":"2026-05-18T12:27:40.988391+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/CBWWBYBZNSZRQUQAKS2Y33NQER","json":"https://pith.science/pith/CBWWBYBZNSZRQUQAKS2Y33NQER.json","graph_json":"https://pith.science/api/pith-number/CBWWBYBZNSZRQUQAKS2Y33NQER/graph.json","events_json":"https://pith.science/api/pith-number/CBWWBYBZNSZRQUQAKS2Y33NQER/events.json","paper":"https://pith.science/paper/CBWWBYBZ"},"agent_actions":{"view_html":"https://pith.science/pith/CBWWBYBZNSZRQUQAKS2Y33NQER","download_json":"https://pith.science/pith/CBWWBYBZNSZRQUQAKS2Y33NQER.json","view_paper":"https://pith.science/paper/CBWWBYBZ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1302.5122&json=true","fetch_graph":"https://pith.science/api/pith-number/CBWWBYBZNSZRQUQAKS2Y33NQER/graph.json","fetch_events":"https://pith.science/api/pith-number/CBWWBYBZNSZRQUQAKS2Y33NQER/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/CBWWBYBZNSZRQUQAKS2Y33NQER/action/timestamp_anchor","attest_storage":"https://pith.science/pith/CBWWBYBZNSZRQUQAKS2Y33NQER/action/storage_attestation","attest_author":"https://pith.science/pith/CBWWBYBZNSZRQUQAKS2Y33NQER/action/author_attestation","sign_citation":"https://pith.science/pith/CBWWBYBZNSZRQUQAKS2Y33NQER/action/citation_signature","submit_replication":"https://pith.science/pith/CBWWBYBZNSZRQUQAKS2Y33NQER/action/replication_record"}},"created_at":"2026-05-18T03:13:46.087121+00:00","updated_at":"2026-05-18T03:13:46.087121+00:00"}