{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:YQVQ26SDQDR3Y5GGT4AUZEAFDE","short_pith_number":"pith:YQVQ26SD","canonical_record":{"source":{"id":"1301.3859","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2013-01-16T15:50:26Z","cross_cats_sorted":[],"title_canon_sha256":"77f5bd1c6a3c3e5ec211ec97f39681d2baed46f780760924958d45d25c1b4332","abstract_canon_sha256":"4a40263c4ded4d403230e9d659d75f0b7b5e7e6bece5ee5b1daf11167c5305ed"},"schema_version":"1.0"},"canonical_sha256":"c42b0d7a4380e3bc74c69f014c90051937e461c67ff52c52b04ac627665d10a3","source":{"kind":"arxiv","id":"1301.3859","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.3859","created_at":"2026-05-18T03:36:15Z"},{"alias_kind":"arxiv_version","alias_value":"1301.3859v1","created_at":"2026-05-18T03:36:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.3859","created_at":"2026-05-18T03:36:15Z"},{"alias_kind":"pith_short_12","alias_value":"YQVQ26SDQDR3","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_16","alias_value":"YQVQ26SDQDR3Y5GG","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_8","alias_value":"YQVQ26SD","created_at":"2026-05-18T12:28:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:YQVQ26SDQDR3Y5GGT4AUZEAFDE","target":"record","payload":{"canonical_record":{"source":{"id":"1301.3859","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2013-01-16T15:50:26Z","cross_cats_sorted":[],"title_canon_sha256":"77f5bd1c6a3c3e5ec211ec97f39681d2baed46f780760924958d45d25c1b4332","abstract_canon_sha256":"4a40263c4ded4d403230e9d659d75f0b7b5e7e6bece5ee5b1daf11167c5305ed"},"schema_version":"1.0"},"canonical_sha256":"c42b0d7a4380e3bc74c69f014c90051937e461c67ff52c52b04ac627665d10a3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:36:15.279917Z","signature_b64":"fauYdKw0b/ZVhve9koJweLF7Nip/p9EZS8toP3ki7wEuS08XhYQgaR29r+cUKFPyszGnGwVNtQzYRVaH6AhqAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c42b0d7a4380e3bc74c69f014c90051937e461c67ff52c52b04ac627665d10a3","last_reissued_at":"2026-05-18T03:36:15.279422Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:36:15.279422Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1301.3859","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":"2026-05-18T03:36:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"86NsFm8sXXVEJNLX0p/q3HrNZUO/GY/ypggY5sZwwjXTeKaTe6z/FcDEl0SaobOBdJRlFoqQj2Uz9HfuHXiZCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-29T15:44:42.126755Z"},"content_sha256":"70dd01a71bf601eb0313d2fae5e8e80e555f39df38e602de25a8481dd007c8dd","schema_version":"1.0","event_id":"sha256:70dd01a71bf601eb0313d2fae5e8e80e555f39df38e602de25a8481dd007c8dd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:YQVQ26SDQDR3Y5GGT4AUZEAFDE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Building a Stochastic Dynamic Model of Application Use","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.AI","authors_text":"David L. Poole, Peter J. Gorniak","submitted_at":"2013-01-16T15:50:26Z","abstract_excerpt":"Many intelligent user interfaces employ application and user models to determine the user's preferences, goals and likely future actions. Such models require application analysis, adaptation and expansion. Building and maintaining such models adds a substantial amount of time and labour to the application development cycle.  We present a system that observes the interface of an unmodified application and records users' interactions with the application. From a history of such observations we build a coarse state space of observed interface states and actions between them.  To refine the space,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.3859","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":"2026-05-18T03:36:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AkcmSTNmDKN4J5VN2QbnqgAZK5Sa8PjB9y9dL4SDjkZtwF9Nct/e+75GPZi0AsYhtRATl4onHdl65aZVnxlMBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-29T15:44:42.127090Z"},"content_sha256":"6d7b10488c8721595d9cc1e3ae487bcfbcedf55e81a4b9c5c10f9e42e71a2fb8","schema_version":"1.0","event_id":"sha256:6d7b10488c8721595d9cc1e3ae487bcfbcedf55e81a4b9c5c10f9e42e71a2fb8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YQVQ26SDQDR3Y5GGT4AUZEAFDE/bundle.json","state_url":"https://pith.science/pith/YQVQ26SDQDR3Y5GGT4AUZEAFDE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YQVQ26SDQDR3Y5GGT4AUZEAFDE/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":"2026-06-29T15:44:42Z","links":{"resolver":"https://pith.science/pith/YQVQ26SDQDR3Y5GGT4AUZEAFDE","bundle":"https://pith.science/pith/YQVQ26SDQDR3Y5GGT4AUZEAFDE/bundle.json","state":"https://pith.science/pith/YQVQ26SDQDR3Y5GGT4AUZEAFDE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YQVQ26SDQDR3Y5GGT4AUZEAFDE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:YQVQ26SDQDR3Y5GGT4AUZEAFDE","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":"4a40263c4ded4d403230e9d659d75f0b7b5e7e6bece5ee5b1daf11167c5305ed","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2013-01-16T15:50:26Z","title_canon_sha256":"77f5bd1c6a3c3e5ec211ec97f39681d2baed46f780760924958d45d25c1b4332"},"schema_version":"1.0","source":{"id":"1301.3859","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.3859","created_at":"2026-05-18T03:36:15Z"},{"alias_kind":"arxiv_version","alias_value":"1301.3859v1","created_at":"2026-05-18T03:36:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.3859","created_at":"2026-05-18T03:36:15Z"},{"alias_kind":"pith_short_12","alias_value":"YQVQ26SDQDR3","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_16","alias_value":"YQVQ26SDQDR3Y5GG","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_8","alias_value":"YQVQ26SD","created_at":"2026-05-18T12:28:09Z"}],"graph_snapshots":[{"event_id":"sha256:6d7b10488c8721595d9cc1e3ae487bcfbcedf55e81a4b9c5c10f9e42e71a2fb8","target":"graph","created_at":"2026-05-18T03:36:15Z","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":"Many intelligent user interfaces employ application and user models to determine the user's preferences, goals and likely future actions. Such models require application analysis, adaptation and expansion. Building and maintaining such models adds a substantial amount of time and labour to the application development cycle.  We present a system that observes the interface of an unmodified application and records users' interactions with the application. From a history of such observations we build a coarse state space of observed interface states and actions between them.  To refine the space,","authors_text":"David L. Poole, Peter J. Gorniak","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2013-01-16T15:50:26Z","title":"Building a Stochastic Dynamic Model of Application Use"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.3859","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":"sha256:70dd01a71bf601eb0313d2fae5e8e80e555f39df38e602de25a8481dd007c8dd","target":"record","created_at":"2026-05-18T03:36:15Z","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":"4a40263c4ded4d403230e9d659d75f0b7b5e7e6bece5ee5b1daf11167c5305ed","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2013-01-16T15:50:26Z","title_canon_sha256":"77f5bd1c6a3c3e5ec211ec97f39681d2baed46f780760924958d45d25c1b4332"},"schema_version":"1.0","source":{"id":"1301.3859","kind":"arxiv","version":1}},"canonical_sha256":"c42b0d7a4380e3bc74c69f014c90051937e461c67ff52c52b04ac627665d10a3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c42b0d7a4380e3bc74c69f014c90051937e461c67ff52c52b04ac627665d10a3","first_computed_at":"2026-05-18T03:36:15.279422Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:36:15.279422Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fauYdKw0b/ZVhve9koJweLF7Nip/p9EZS8toP3ki7wEuS08XhYQgaR29r+cUKFPyszGnGwVNtQzYRVaH6AhqAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:36:15.279917Z","signed_message":"canonical_sha256_bytes"},"source_id":"1301.3859","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:70dd01a71bf601eb0313d2fae5e8e80e555f39df38e602de25a8481dd007c8dd","sha256:6d7b10488c8721595d9cc1e3ae487bcfbcedf55e81a4b9c5c10f9e42e71a2fb8"],"state_sha256":"05a8c0d32ebc85b4f3fe2defa255b70ef33184f3b8677e72c7063fbe7c36a794"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wej+MbIIH3s48mmX0MD0u+7Oh1XbOEFO+uHvD7MgRjgUBIIOukqNbtHXnCwGOXDV7a1te92G6is3zcadkhXDCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-29T15:44:42.129258Z","bundle_sha256":"f6527155d3179a23bd2ea0a8190252e44951a640697b936f184b7bdf41d05998"}}