{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:Q6WDO4EXPQ5YSSVUS5XODKMSPD","short_pith_number":"pith:Q6WDO4EX","canonical_record":{"source":{"id":"2302.02008","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2023-02-03T21:30:34Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"595e133a4c115e237ae3b6b5e904c92102e48cc51066a95812c17e34b1bdadec","abstract_canon_sha256":"d2cbcab34e622de663d3aaf4ea2c9a8dbeab3234dd63971a114cf26e638b8bfd"},"schema_version":"1.0"},"canonical_sha256":"87ac3770977c3b894ab4976ee1a99278e2caf04934ba2e22df13040c52b34fe6","source":{"kind":"arxiv","id":"2302.02008","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2302.02008","created_at":"2026-07-05T05:38:47Z"},{"alias_kind":"arxiv_version","alias_value":"2302.02008v1","created_at":"2026-07-05T05:38:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2302.02008","created_at":"2026-07-05T05:38:47Z"},{"alias_kind":"pith_short_12","alias_value":"Q6WDO4EXPQ5Y","created_at":"2026-07-05T05:38:47Z"},{"alias_kind":"pith_short_16","alias_value":"Q6WDO4EXPQ5YSSVU","created_at":"2026-07-05T05:38:47Z"},{"alias_kind":"pith_short_8","alias_value":"Q6WDO4EX","created_at":"2026-07-05T05:38:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:Q6WDO4EXPQ5YSSVUS5XODKMSPD","target":"record","payload":{"canonical_record":{"source":{"id":"2302.02008","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2023-02-03T21:30:34Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"595e133a4c115e237ae3b6b5e904c92102e48cc51066a95812c17e34b1bdadec","abstract_canon_sha256":"d2cbcab34e622de663d3aaf4ea2c9a8dbeab3234dd63971a114cf26e638b8bfd"},"schema_version":"1.0"},"canonical_sha256":"87ac3770977c3b894ab4976ee1a99278e2caf04934ba2e22df13040c52b34fe6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:38:47.626063Z","signature_b64":"vA3Za43oHUJ0crjGPOvaCEBYioabAadC8jj3zUKxxWVxQ+ThbehL3DR3VJftnN8u3DtfYae1OZvvfysNGlwzDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"87ac3770977c3b894ab4976ee1a99278e2caf04934ba2e22df13040c52b34fe6","last_reissued_at":"2026-07-05T05:38:47.625572Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:38:47.625572Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2302.02008","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":"2026-07-05T05:38:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4PZFlN0TOH5AvujFeIAVZOrYUrofnmaEBTulKT0aP+j4Rk37QQ1FP7zGV+xhv9jj4qtGBji89dphmDtx03OJDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T08:15:53.131672Z"},"content_sha256":"5cc253a78917b2df323b89278f3be213498f5acfbea376e87b20290e6578c0e6","schema_version":"1.0","event_id":"sha256:5cc253a78917b2df323b89278f3be213498f5acfbea376e87b20290e6578c0e6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:Q6WDO4EXPQ5YSSVUS5XODKMSPD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Witscript: A System for Generating Improvised Jokes in a Conversation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.CL","authors_text":"Joe Toplyn","submitted_at":"2023-02-03T21:30:34Z","abstract_excerpt":"A chatbot is perceived as more humanlike and likeable if it includes some jokes in its output. But most existing joke generators were not designed to be integrated into chatbots. This paper presents Witscript, a novel joke generation system that can improvise original, contextually relevant jokes, such as humorous responses during a conversation. The system is based on joke writing algorithms created by an expert comedy writer. Witscript employs well-known tools of natural language processing to extract keywords from a topic sentence and, using wordplay, to link those keywords and related word"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2302.02008","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2302.02008/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T05:38:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+aG4bmFvG2ATMHzlUIWgGT46izelKUr17H2Hm+PELFdQEy90hlrlSuGkaGH1UngBDnEtKj/QJyduhdE+Zhv7Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T08:15:53.132553Z"},"content_sha256":"d4e74e8b2b078d6a713bb0b6f6cca5b85da3698dab8b683c44c9ad14c4f5430e","schema_version":"1.0","event_id":"sha256:d4e74e8b2b078d6a713bb0b6f6cca5b85da3698dab8b683c44c9ad14c4f5430e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Q6WDO4EXPQ5YSSVUS5XODKMSPD/bundle.json","state_url":"https://pith.science/pith/Q6WDO4EXPQ5YSSVUS5XODKMSPD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Q6WDO4EXPQ5YSSVUS5XODKMSPD/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":"2026-08-09T08:15:53Z","links":{"resolver":"https://pith.science/pith/Q6WDO4EXPQ5YSSVUS5XODKMSPD","bundle":"https://pith.science/pith/Q6WDO4EXPQ5YSSVUS5XODKMSPD/bundle.json","state":"https://pith.science/pith/Q6WDO4EXPQ5YSSVUS5XODKMSPD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Q6WDO4EXPQ5YSSVUS5XODKMSPD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:Q6WDO4EXPQ5YSSVUS5XODKMSPD","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":"d2cbcab34e622de663d3aaf4ea2c9a8dbeab3234dd63971a114cf26e638b8bfd","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2023-02-03T21:30:34Z","title_canon_sha256":"595e133a4c115e237ae3b6b5e904c92102e48cc51066a95812c17e34b1bdadec"},"schema_version":"1.0","source":{"id":"2302.02008","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2302.02008","created_at":"2026-07-05T05:38:47Z"},{"alias_kind":"arxiv_version","alias_value":"2302.02008v1","created_at":"2026-07-05T05:38:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2302.02008","created_at":"2026-07-05T05:38:47Z"},{"alias_kind":"pith_short_12","alias_value":"Q6WDO4EXPQ5Y","created_at":"2026-07-05T05:38:47Z"},{"alias_kind":"pith_short_16","alias_value":"Q6WDO4EXPQ5YSSVU","created_at":"2026-07-05T05:38:47Z"},{"alias_kind":"pith_short_8","alias_value":"Q6WDO4EX","created_at":"2026-07-05T05:38:47Z"}],"graph_snapshots":[{"event_id":"sha256:d4e74e8b2b078d6a713bb0b6f6cca5b85da3698dab8b683c44c9ad14c4f5430e","target":"graph","created_at":"2026-07-05T05:38:47Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2302.02008/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A chatbot is perceived as more humanlike and likeable if it includes some jokes in its output. But most existing joke generators were not designed to be integrated into chatbots. This paper presents Witscript, a novel joke generation system that can improvise original, contextually relevant jokes, such as humorous responses during a conversation. The system is based on joke writing algorithms created by an expert comedy writer. Witscript employs well-known tools of natural language processing to extract keywords from a topic sentence and, using wordplay, to link those keywords and related word","authors_text":"Joe Toplyn","cross_cats":["cs.AI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2023-02-03T21:30:34Z","title":"Witscript: A System for Generating Improvised Jokes in a Conversation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2302.02008","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":"sha256:5cc253a78917b2df323b89278f3be213498f5acfbea376e87b20290e6578c0e6","target":"record","created_at":"2026-07-05T05:38:47Z","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":"d2cbcab34e622de663d3aaf4ea2c9a8dbeab3234dd63971a114cf26e638b8bfd","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2023-02-03T21:30:34Z","title_canon_sha256":"595e133a4c115e237ae3b6b5e904c92102e48cc51066a95812c17e34b1bdadec"},"schema_version":"1.0","source":{"id":"2302.02008","kind":"arxiv","version":1}},"canonical_sha256":"87ac3770977c3b894ab4976ee1a99278e2caf04934ba2e22df13040c52b34fe6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"87ac3770977c3b894ab4976ee1a99278e2caf04934ba2e22df13040c52b34fe6","first_computed_at":"2026-07-05T05:38:47.625572Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:38:47.625572Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vA3Za43oHUJ0crjGPOvaCEBYioabAadC8jj3zUKxxWVxQ+ThbehL3DR3VJftnN8u3DtfYae1OZvvfysNGlwzDw==","signature_status":"signed_v1","signed_at":"2026-07-05T05:38:47.626063Z","signed_message":"canonical_sha256_bytes"},"source_id":"2302.02008","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5cc253a78917b2df323b89278f3be213498f5acfbea376e87b20290e6578c0e6","sha256:d4e74e8b2b078d6a713bb0b6f6cca5b85da3698dab8b683c44c9ad14c4f5430e"],"state_sha256":"d3fbcc72cffc2f912412bbf33d2c586a608f89cbe3e69a8d961806fd20518b50"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ek7ynX3IGMKKXfCo6ppQJlZjFL7AeNxe0OcTJMs1l+bgr5GUSKZwZ7DlpFw9gnfEYETqUGxRdPiQAQnKiHWODw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T08:15:53.152748Z","bundle_sha256":"2b57ccb1f2e62e2bddebe160269962c6e1bbe9a9c0b6f31c76ee5eb5a4bafe8c"}}