{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:RKRPPRIWKNVVVC2CQJXWI6XISO","short_pith_number":"pith:RKRPPRIW","canonical_record":{"source":{"id":"1304.2746","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2013-03-27T19:49:09Z","cross_cats_sorted":[],"title_canon_sha256":"f55f71d77d8eff5eb83b6f07098f51b670685c3bfa4a20b365dc4ce3fdb865d2","abstract_canon_sha256":"acbc92aee964b152bc04cc4e1f4ca19a9b6d05f10e9e7b3606805b5dbb36856a"},"schema_version":"1.0"},"canonical_sha256":"8aa2f7c516536b5a8b42826f647ae893a629cbdc7f785ddc5c3ebf18b970dbbe","source":{"kind":"arxiv","id":"1304.2746","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1304.2746","created_at":"2026-05-18T03:28:28Z"},{"alias_kind":"arxiv_version","alias_value":"1304.2746v1","created_at":"2026-05-18T03:28:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.2746","created_at":"2026-05-18T03:28:28Z"},{"alias_kind":"pith_short_12","alias_value":"RKRPPRIWKNVV","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_16","alias_value":"RKRPPRIWKNVVVC2C","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_8","alias_value":"RKRPPRIW","created_at":"2026-05-18T12:27:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:RKRPPRIWKNVVVC2CQJXWI6XISO","target":"record","payload":{"canonical_record":{"source":{"id":"1304.2746","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2013-03-27T19:49:09Z","cross_cats_sorted":[],"title_canon_sha256":"f55f71d77d8eff5eb83b6f07098f51b670685c3bfa4a20b365dc4ce3fdb865d2","abstract_canon_sha256":"acbc92aee964b152bc04cc4e1f4ca19a9b6d05f10e9e7b3606805b5dbb36856a"},"schema_version":"1.0"},"canonical_sha256":"8aa2f7c516536b5a8b42826f647ae893a629cbdc7f785ddc5c3ebf18b970dbbe","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:28:28.448972Z","signature_b64":"j3qngYEK2yladMVhzxUwfih9TKLCihO7UxPUAYtFQiWD+amnpHNEGBQCBiuH4gijCRDKpgyHUdP0gbYauODPDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8aa2f7c516536b5a8b42826f647ae893a629cbdc7f785ddc5c3ebf18b970dbbe","last_reissued_at":"2026-05-18T03:28:28.448247Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:28:28.448247Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1304.2746","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":"2026-05-18T03:28:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qjFRKALQfGDhqPScLF7ChFzU+j29xKYVQGHUhNr4pO5ylsEksuOd9ChCxj2BKFqm8kpveKX2bB4WIil3LAmvDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T11:02:45.223253Z"},"content_sha256":"6d0ce44ab291849b697b3d03ec5f94be60081b01ca9e35a2615f656fab0fb22d","schema_version":"1.0","event_id":"sha256:6d0ce44ab291849b697b3d03ec5f94be60081b01ca9e35a2615f656fab0fb22d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:RKRPPRIWKNVVVC2CQJXWI6XISO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Problem Structure and Evidential Reasoning","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.AI","authors_text":"Lee A. Appelbaum, Richard M. Tong","submitted_at":"2013-03-27T19:49:09Z","abstract_excerpt":"In our previous series of studies to investigate the role of evidential reasoning in the RUBRIC system for full-text document retrieval (Tong et al., 1985; Tong and Shapiro, 1985; Tong and Appelbaum, 1987), we identified the important role that problem structure plays in the overall performance of the system. In this paper, we focus on these structural elements (which we now call \"semantic structure\") and show how explicit consideration of their properties reduces what previously were seen as difficult evidential reasoning problems to more tractable questions."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.2746","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":"2026-05-18T03:28:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Fw1uqbpVHORa83zZ0YSv9afcsyV0lWfp7HNpPNdQd4NoG0aGKMRHjtAwDga4zB7bublVZ7LwAZxiz/bBQjbdBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T11:02:45.223618Z"},"content_sha256":"65fb14835c98c48097f17feb234629327a3d7289c698c9ea165ba98aab185e31","schema_version":"1.0","event_id":"sha256:65fb14835c98c48097f17feb234629327a3d7289c698c9ea165ba98aab185e31"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RKRPPRIWKNVVVC2CQJXWI6XISO/bundle.json","state_url":"https://pith.science/pith/RKRPPRIWKNVVVC2CQJXWI6XISO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RKRPPRIWKNVVVC2CQJXWI6XISO/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":"2026-06-30T11:02:45Z","links":{"resolver":"https://pith.science/pith/RKRPPRIWKNVVVC2CQJXWI6XISO","bundle":"https://pith.science/pith/RKRPPRIWKNVVVC2CQJXWI6XISO/bundle.json","state":"https://pith.science/pith/RKRPPRIWKNVVVC2CQJXWI6XISO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RKRPPRIWKNVVVC2CQJXWI6XISO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:RKRPPRIWKNVVVC2CQJXWI6XISO","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":"acbc92aee964b152bc04cc4e1f4ca19a9b6d05f10e9e7b3606805b5dbb36856a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2013-03-27T19:49:09Z","title_canon_sha256":"f55f71d77d8eff5eb83b6f07098f51b670685c3bfa4a20b365dc4ce3fdb865d2"},"schema_version":"1.0","source":{"id":"1304.2746","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1304.2746","created_at":"2026-05-18T03:28:28Z"},{"alias_kind":"arxiv_version","alias_value":"1304.2746v1","created_at":"2026-05-18T03:28:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.2746","created_at":"2026-05-18T03:28:28Z"},{"alias_kind":"pith_short_12","alias_value":"RKRPPRIWKNVV","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_16","alias_value":"RKRPPRIWKNVVVC2C","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_8","alias_value":"RKRPPRIW","created_at":"2026-05-18T12:27:57Z"}],"graph_snapshots":[{"event_id":"sha256:65fb14835c98c48097f17feb234629327a3d7289c698c9ea165ba98aab185e31","target":"graph","created_at":"2026-05-18T03:28:28Z","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":"In our previous series of studies to investigate the role of evidential reasoning in the RUBRIC system for full-text document retrieval (Tong et al., 1985; Tong and Shapiro, 1985; Tong and Appelbaum, 1987), we identified the important role that problem structure plays in the overall performance of the system. In this paper, we focus on these structural elements (which we now call \"semantic structure\") and show how explicit consideration of their properties reduces what previously were seen as difficult evidential reasoning problems to more tractable questions.","authors_text":"Lee A. Appelbaum, Richard M. Tong","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2013-03-27T19:49:09Z","title":"Problem Structure and Evidential Reasoning"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.2746","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":"sha256:6d0ce44ab291849b697b3d03ec5f94be60081b01ca9e35a2615f656fab0fb22d","target":"record","created_at":"2026-05-18T03:28:28Z","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":"acbc92aee964b152bc04cc4e1f4ca19a9b6d05f10e9e7b3606805b5dbb36856a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2013-03-27T19:49:09Z","title_canon_sha256":"f55f71d77d8eff5eb83b6f07098f51b670685c3bfa4a20b365dc4ce3fdb865d2"},"schema_version":"1.0","source":{"id":"1304.2746","kind":"arxiv","version":1}},"canonical_sha256":"8aa2f7c516536b5a8b42826f647ae893a629cbdc7f785ddc5c3ebf18b970dbbe","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8aa2f7c516536b5a8b42826f647ae893a629cbdc7f785ddc5c3ebf18b970dbbe","first_computed_at":"2026-05-18T03:28:28.448247Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:28:28.448247Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"j3qngYEK2yladMVhzxUwfih9TKLCihO7UxPUAYtFQiWD+amnpHNEGBQCBiuH4gijCRDKpgyHUdP0gbYauODPDA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:28:28.448972Z","signed_message":"canonical_sha256_bytes"},"source_id":"1304.2746","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6d0ce44ab291849b697b3d03ec5f94be60081b01ca9e35a2615f656fab0fb22d","sha256:65fb14835c98c48097f17feb234629327a3d7289c698c9ea165ba98aab185e31"],"state_sha256":"bcf219aff35afff0275ec289df4e768ee5298835ec68f7a6983050d1d9ae4f65"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1jQwJdwSPfkl6gvPCy94y1Zsp5tn7+FV4dwbVxFTbZ6LY3241BQBKkCRQkMqg0Qa5Ka+HhIr+3iT9rWM9jIFAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-30T11:02:45.225444Z","bundle_sha256":"a8153a28c9a00417eaf1c35c5f90593854f556aa3c4c688ff4bc109aee31a586"}}