{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:NXNN2IDZPHAX3PTX2WFBYAD5GR","short_pith_number":"pith:NXNN2IDZ","canonical_record":{"source":{"id":"2606.19819","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2026-06-18T05:48:37Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"2a0208b764e5584c1bd2743e56be0575603913fcc93177c1280aa5ffa51f53e1","abstract_canon_sha256":"9759d46478c531877e9cffc4c139fcea35e65607681ebc72f2b82fb187b670cf"},"schema_version":"1.0"},"canonical_sha256":"6ddadd207979c17dbe77d58a1c007d34522481235ee6c93a2598ee7b8facad2b","source":{"kind":"arxiv","id":"2606.19819","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.19819","created_at":"2026-06-19T16:12:36Z"},{"alias_kind":"arxiv_version","alias_value":"2606.19819v1","created_at":"2026-06-19T16:12:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.19819","created_at":"2026-06-19T16:12:36Z"},{"alias_kind":"pith_short_12","alias_value":"NXNN2IDZPHAX","created_at":"2026-06-19T16:12:36Z"},{"alias_kind":"pith_short_16","alias_value":"NXNN2IDZPHAX3PTX","created_at":"2026-06-19T16:12:36Z"},{"alias_kind":"pith_short_8","alias_value":"NXNN2IDZ","created_at":"2026-06-19T16:12:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:NXNN2IDZPHAX3PTX2WFBYAD5GR","target":"record","payload":{"canonical_record":{"source":{"id":"2606.19819","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2026-06-18T05:48:37Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"2a0208b764e5584c1bd2743e56be0575603913fcc93177c1280aa5ffa51f53e1","abstract_canon_sha256":"9759d46478c531877e9cffc4c139fcea35e65607681ebc72f2b82fb187b670cf"},"schema_version":"1.0"},"canonical_sha256":"6ddadd207979c17dbe77d58a1c007d34522481235ee6c93a2598ee7b8facad2b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-19T16:12:36.153279Z","signature_b64":"fdiMwepLH/CEBPqQTuzlZeqB/uhl6b81SAETKVBPEo+W0ANBTuVA8wZgTsvX78dhRsUqqJEgiskY/rAz65x6DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6ddadd207979c17dbe77d58a1c007d34522481235ee6c93a2598ee7b8facad2b","last_reissued_at":"2026-06-19T16:12:36.152933Z","signature_status":"signed_v1","first_computed_at":"2026-06-19T16:12:36.152933Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.19819","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":"2026-06-19T16:12:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ahfnxby/N+Px6C96PGy9xYKKaNkT7JZnARWBG4iDvFsxDYQy/fQEwx3Tv1PmVUEwn1USf7P4vTkQeKHsTjwMDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-04T20:49:06.097755Z"},"content_sha256":"998727e2e8ced0d2716a9deaf9e87321d51f78e68b06db8ab3dc4e95e3efe71c","schema_version":"1.0","event_id":"sha256:998727e2e8ced0d2716a9deaf9e87321d51f78e68b06db8ab3dc4e95e3efe71c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:NXNN2IDZPHAX3PTX2WFBYAD5GR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"CREDENCE: Claim Reduction for Decomposition & Enhanced Credibility -- Semantic Metrics and Convergence Analysis","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.CL","authors_text":"Bach Xuan Le, Phuong Huu Vu Tran, Thuan Duc Mai","submitted_at":"2026-06-18T05:48:37Z","abstract_excerpt":"Decomposing compound sentences into atomic, verifiable claims is a prerequisite for reliable automated fact-checking. Prior work has relied on token-overlap (Jaccard) metrics that systematically underestimate decomposition quality for paraphrastic claims, and has lacked formal termination analysis for the repair loop. We present Credence, a revised claim decomposition and evaluation framework addressing both shortcomings. Our contributions are: (1) Semantic-F1: we use BGE-large cosine similarity fidelity metric that resolves Jaccard's penalisation and improves downstream fact-checking accuracy"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.19819","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/2606.19819/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":"2026-06-19T16:12:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LXpip3M/qx/mBXmc2kWx9TIg5I861up79rAXw0EaKtijeakaAMCMR/6HT7B8d9xQ83w0Ulp4w6et5I9Uy+lOCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-04T20:49:06.098127Z"},"content_sha256":"598c60c349cadfd5144ca7f0ad28402d3d079b7c74fc4243a1ee1c797d6320eb","schema_version":"1.0","event_id":"sha256:598c60c349cadfd5144ca7f0ad28402d3d079b7c74fc4243a1ee1c797d6320eb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NXNN2IDZPHAX3PTX2WFBYAD5GR/bundle.json","state_url":"https://pith.science/pith/NXNN2IDZPHAX3PTX2WFBYAD5GR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NXNN2IDZPHAX3PTX2WFBYAD5GR/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":"2026-07-04T20:49:06Z","links":{"resolver":"https://pith.science/pith/NXNN2IDZPHAX3PTX2WFBYAD5GR","bundle":"https://pith.science/pith/NXNN2IDZPHAX3PTX2WFBYAD5GR/bundle.json","state":"https://pith.science/pith/NXNN2IDZPHAX3PTX2WFBYAD5GR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NXNN2IDZPHAX3PTX2WFBYAD5GR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:NXNN2IDZPHAX3PTX2WFBYAD5GR","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":"9759d46478c531877e9cffc4c139fcea35e65607681ebc72f2b82fb187b670cf","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2026-06-18T05:48:37Z","title_canon_sha256":"2a0208b764e5584c1bd2743e56be0575603913fcc93177c1280aa5ffa51f53e1"},"schema_version":"1.0","source":{"id":"2606.19819","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.19819","created_at":"2026-06-19T16:12:36Z"},{"alias_kind":"arxiv_version","alias_value":"2606.19819v1","created_at":"2026-06-19T16:12:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.19819","created_at":"2026-06-19T16:12:36Z"},{"alias_kind":"pith_short_12","alias_value":"NXNN2IDZPHAX","created_at":"2026-06-19T16:12:36Z"},{"alias_kind":"pith_short_16","alias_value":"NXNN2IDZPHAX3PTX","created_at":"2026-06-19T16:12:36Z"},{"alias_kind":"pith_short_8","alias_value":"NXNN2IDZ","created_at":"2026-06-19T16:12:36Z"}],"graph_snapshots":[{"event_id":"sha256:598c60c349cadfd5144ca7f0ad28402d3d079b7c74fc4243a1ee1c797d6320eb","target":"graph","created_at":"2026-06-19T16:12:36Z","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/2606.19819/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Decomposing compound sentences into atomic, verifiable claims is a prerequisite for reliable automated fact-checking. Prior work has relied on token-overlap (Jaccard) metrics that systematically underestimate decomposition quality for paraphrastic claims, and has lacked formal termination analysis for the repair loop. We present Credence, a revised claim decomposition and evaluation framework addressing both shortcomings. Our contributions are: (1) Semantic-F1: we use BGE-large cosine similarity fidelity metric that resolves Jaccard's penalisation and improves downstream fact-checking accuracy","authors_text":"Bach Xuan Le, Phuong Huu Vu Tran, Thuan Duc Mai","cross_cats":["cs.AI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2026-06-18T05:48:37Z","title":"CREDENCE: Claim Reduction for Decomposition & Enhanced Credibility -- Semantic Metrics and Convergence Analysis"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.19819","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":"sha256:998727e2e8ced0d2716a9deaf9e87321d51f78e68b06db8ab3dc4e95e3efe71c","target":"record","created_at":"2026-06-19T16:12:36Z","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":"9759d46478c531877e9cffc4c139fcea35e65607681ebc72f2b82fb187b670cf","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2026-06-18T05:48:37Z","title_canon_sha256":"2a0208b764e5584c1bd2743e56be0575603913fcc93177c1280aa5ffa51f53e1"},"schema_version":"1.0","source":{"id":"2606.19819","kind":"arxiv","version":1}},"canonical_sha256":"6ddadd207979c17dbe77d58a1c007d34522481235ee6c93a2598ee7b8facad2b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6ddadd207979c17dbe77d58a1c007d34522481235ee6c93a2598ee7b8facad2b","first_computed_at":"2026-06-19T16:12:36.152933Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-19T16:12:36.152933Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fdiMwepLH/CEBPqQTuzlZeqB/uhl6b81SAETKVBPEo+W0ANBTuVA8wZgTsvX78dhRsUqqJEgiskY/rAz65x6DA==","signature_status":"signed_v1","signed_at":"2026-06-19T16:12:36.153279Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.19819","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:998727e2e8ced0d2716a9deaf9e87321d51f78e68b06db8ab3dc4e95e3efe71c","sha256:598c60c349cadfd5144ca7f0ad28402d3d079b7c74fc4243a1ee1c797d6320eb"],"state_sha256":"1392de6227a36419a9ff204851d7565716961289d49b86458f719c468ad46100"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MGywnpqtoqg1yXhoG7T4uOcJGEg54ywXfwzliH8tz/ERc35+LShg4GYrRUjKwcYs5lcp/ThD/Tu8j/tukukJDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-04T20:49:06.100113Z","bundle_sha256":"3b07137f4b5ef60e3ffe90c66eda4855378a7561d2661c79a759f6176d3b410a"}}