{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:L6UBQQ4PPKNXRRIQNHYFLJ2PTY","short_pith_number":"pith:L6UBQQ4P","canonical_record":{"source":{"id":"2608.12852","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2026-08-13T05:52:32Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"9390417a34d066689591930867df0562de8fdeaae87b7c52bd096c402cc62d68","abstract_canon_sha256":"a53fddf97913a6ccf6f5cd16e673f062812732153eeed1f96429747a8012bce2"},"schema_version":"1.0"},"canonical_sha256":"5fa818438f7a9b78c51069f055a74f9e26b8784efd8364abb249490714001bd0","source":{"kind":"arxiv","id":"2608.12852","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.12852","created_at":"2026-08-14T00:49:11Z"},{"alias_kind":"arxiv_version","alias_value":"2608.12852v1","created_at":"2026-08-14T00:49:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.12852","created_at":"2026-08-14T00:49:11Z"},{"alias_kind":"pith_short_12","alias_value":"L6UBQQ4PPKNX","created_at":"2026-08-14T00:49:11Z"},{"alias_kind":"pith_short_16","alias_value":"L6UBQQ4PPKNXRRIQ","created_at":"2026-08-14T00:49:11Z"},{"alias_kind":"pith_short_8","alias_value":"L6UBQQ4P","created_at":"2026-08-14T00:49:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:L6UBQQ4PPKNXRRIQNHYFLJ2PTY","target":"record","payload":{"canonical_record":{"source":{"id":"2608.12852","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2026-08-13T05:52:32Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"9390417a34d066689591930867df0562de8fdeaae87b7c52bd096c402cc62d68","abstract_canon_sha256":"a53fddf97913a6ccf6f5cd16e673f062812732153eeed1f96429747a8012bce2"},"schema_version":"1.0"},"canonical_sha256":"5fa818438f7a9b78c51069f055a74f9e26b8784efd8364abb249490714001bd0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-08-14T00:49:11.083960Z","signature_b64":"Gt6S0ZLv+ZukrbD6usJect2kHhFfYWsUu/Ensv9RPhoIsxMBg2++fcqqyY0qMSv99vZfbSBkLGyLb0XKAa7uDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5fa818438f7a9b78c51069f055a74f9e26b8784efd8364abb249490714001bd0","last_reissued_at":"2026-08-14T00:49:11.080730Z","signature_status":"signed_v1","first_computed_at":"2026-08-14T00:49:11.080730Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2608.12852","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":"2026-08-14T00:49:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X4JodASXHeFOq6Hen36aXteKTc2Bq2Rf8LZ+uJFCYTLwDXpFWGq3IIG/3K2Kc3xRMmH9Nup4gIVlC0ZNuDNCDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T03:55:18.959672Z"},"content_sha256":"3663d5627dac387571057b239b3d0e879d5f4ac602bcb4b9de36289e9a1c829a","schema_version":"1.0","event_id":"sha256:3663d5627dac387571057b239b3d0e879d5f4ac602bcb4b9de36289e9a1c829a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:L6UBQQ4PPKNXRRIQNHYFLJ2PTY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Falsehood and Impossibility Are Different Directions in an AI's Representation of Language","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.CL","authors_text":"Yoon Pyo Lee","submitted_at":"2026-08-13T05:52:32Z","abstract_excerpt":"Language can describe states of affairs that are false and states of affairs that could not be the case at all. Whether an AI model internally distinguishes these failures remains unclear. I report an exploratory activation study of the multimodal open-weight model Gemma 3 4B IT using 85 prompts from 17 philosophical families and a topic-matched modality set of 15 topics, each expressed as a truth, contingent falsehood, improbable claim, semantic anomaly, and necessary falsehood. In its answers, the model conflates contingent falsehood with contradiction, labeling 12 of 15 false statements \"co"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.12852","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/2608.12852/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":"2026-08-14T00:49:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"A7F0K3NA2mOZLvm9PQaR6grkJ46ySHFPu5T9hPRy9AYexkSZOa50B6LVKRWVe7uaj3HykDETkhdVIXUDcerTBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T03:55:18.960167Z"},"content_sha256":"ba938ca3fab5394bdc878b5d80526da8d85665f657cdf7c47d0dcd13f263c169","schema_version":"1.0","event_id":"sha256:ba938ca3fab5394bdc878b5d80526da8d85665f657cdf7c47d0dcd13f263c169"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/L6UBQQ4PPKNXRRIQNHYFLJ2PTY/bundle.json","state_url":"https://pith.science/pith/L6UBQQ4PPKNXRRIQNHYFLJ2PTY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/L6UBQQ4PPKNXRRIQNHYFLJ2PTY/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":"2026-08-22T03:55:18Z","links":{"resolver":"https://pith.science/pith/L6UBQQ4PPKNXRRIQNHYFLJ2PTY","bundle":"https://pith.science/pith/L6UBQQ4PPKNXRRIQNHYFLJ2PTY/bundle.json","state":"https://pith.science/pith/L6UBQQ4PPKNXRRIQNHYFLJ2PTY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/L6UBQQ4PPKNXRRIQNHYFLJ2PTY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:L6UBQQ4PPKNXRRIQNHYFLJ2PTY","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":"a53fddf97913a6ccf6f5cd16e673f062812732153eeed1f96429747a8012bce2","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2026-08-13T05:52:32Z","title_canon_sha256":"9390417a34d066689591930867df0562de8fdeaae87b7c52bd096c402cc62d68"},"schema_version":"1.0","source":{"id":"2608.12852","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.12852","created_at":"2026-08-14T00:49:11Z"},{"alias_kind":"arxiv_version","alias_value":"2608.12852v1","created_at":"2026-08-14T00:49:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.12852","created_at":"2026-08-14T00:49:11Z"},{"alias_kind":"pith_short_12","alias_value":"L6UBQQ4PPKNX","created_at":"2026-08-14T00:49:11Z"},{"alias_kind":"pith_short_16","alias_value":"L6UBQQ4PPKNXRRIQ","created_at":"2026-08-14T00:49:11Z"},{"alias_kind":"pith_short_8","alias_value":"L6UBQQ4P","created_at":"2026-08-14T00:49:11Z"}],"graph_snapshots":[{"event_id":"sha256:ba938ca3fab5394bdc878b5d80526da8d85665f657cdf7c47d0dcd13f263c169","target":"graph","created_at":"2026-08-14T00:49:11Z","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/2608.12852/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Language can describe states of affairs that are false and states of affairs that could not be the case at all. Whether an AI model internally distinguishes these failures remains unclear. I report an exploratory activation study of the multimodal open-weight model Gemma 3 4B IT using 85 prompts from 17 philosophical families and a topic-matched modality set of 15 topics, each expressed as a truth, contingent falsehood, improbable claim, semantic anomaly, and necessary falsehood. In its answers, the model conflates contingent falsehood with contradiction, labeling 12 of 15 false statements \"co","authors_text":"Yoon Pyo Lee","cross_cats":["cs.AI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2026-08-13T05:52:32Z","title":"Falsehood and Impossibility Are Different Directions in an AI's Representation of Language"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.12852","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":"sha256:3663d5627dac387571057b239b3d0e879d5f4ac602bcb4b9de36289e9a1c829a","target":"record","created_at":"2026-08-14T00:49:11Z","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":"a53fddf97913a6ccf6f5cd16e673f062812732153eeed1f96429747a8012bce2","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2026-08-13T05:52:32Z","title_canon_sha256":"9390417a34d066689591930867df0562de8fdeaae87b7c52bd096c402cc62d68"},"schema_version":"1.0","source":{"id":"2608.12852","kind":"arxiv","version":1}},"canonical_sha256":"5fa818438f7a9b78c51069f055a74f9e26b8784efd8364abb249490714001bd0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5fa818438f7a9b78c51069f055a74f9e26b8784efd8364abb249490714001bd0","first_computed_at":"2026-08-14T00:49:11.080730Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-08-14T00:49:11.080730Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Gt6S0ZLv+ZukrbD6usJect2kHhFfYWsUu/Ensv9RPhoIsxMBg2++fcqqyY0qMSv99vZfbSBkLGyLb0XKAa7uDQ==","signature_status":"signed_v1","signed_at":"2026-08-14T00:49:11.083960Z","signed_message":"canonical_sha256_bytes"},"source_id":"2608.12852","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3663d5627dac387571057b239b3d0e879d5f4ac602bcb4b9de36289e9a1c829a","sha256:ba938ca3fab5394bdc878b5d80526da8d85665f657cdf7c47d0dcd13f263c169"],"state_sha256":"d9ed3b618943e8dde9709d1acc11546a1fa21426da31bb75c9c4d770294d308a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"omtcizCdzeI5GMeaj9xowGi8ZuV473WmUqQV47EqFPpQVI4YoCGHK1X5YBncPclz3WZM6KyViVpljhJajpP6DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-22T03:55:18.964589Z","bundle_sha256":"7fc2c9e55b41b10af52d88f8e4110470079c8f094ab1c732d01b582b62b284df"}}