{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:XEBBMRQAWO2J3ZUX6HBFTWG7N6","short_pith_number":"pith:XEBBMRQA","canonical_record":{"source":{"id":"2606.30888","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LO","submitted_at":"2026-06-29T20:23:42Z","cross_cats_sorted":[],"title_canon_sha256":"6adbff74a87c401b7c1659fca3f86ebf7494d5f82bf7b0e16f9ff697f9984930","abstract_canon_sha256":"6595a93893e043f436f211e548c5571a4c139ec864b1a34afa1446ddc967b9c3"},"schema_version":"1.0"},"canonical_sha256":"b902164600b3b49de697f1c259d8df6fb57a9f30303fb31e62f9f5d141b2faa3","source":{"kind":"arxiv","id":"2606.30888","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.30888","created_at":"2026-07-01T00:17:20Z"},{"alias_kind":"arxiv_version","alias_value":"2606.30888v1","created_at":"2026-07-01T00:17:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.30888","created_at":"2026-07-01T00:17:20Z"},{"alias_kind":"pith_short_12","alias_value":"XEBBMRQAWO2J","created_at":"2026-07-01T00:17:20Z"},{"alias_kind":"pith_short_16","alias_value":"XEBBMRQAWO2J3ZUX","created_at":"2026-07-01T00:17:20Z"},{"alias_kind":"pith_short_8","alias_value":"XEBBMRQA","created_at":"2026-07-01T00:17:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:XEBBMRQAWO2J3ZUX6HBFTWG7N6","target":"record","payload":{"canonical_record":{"source":{"id":"2606.30888","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LO","submitted_at":"2026-06-29T20:23:42Z","cross_cats_sorted":[],"title_canon_sha256":"6adbff74a87c401b7c1659fca3f86ebf7494d5f82bf7b0e16f9ff697f9984930","abstract_canon_sha256":"6595a93893e043f436f211e548c5571a4c139ec864b1a34afa1446ddc967b9c3"},"schema_version":"1.0"},"canonical_sha256":"b902164600b3b49de697f1c259d8df6fb57a9f30303fb31e62f9f5d141b2faa3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-01T00:17:20.576939Z","signature_b64":"fmMOqwefktPCgHr2OZkYJ2y6Ic7IW/fC7UvyLr6ueMS4u453DSb6m0nZGm0WKJzgiu2xrROzy4R5ORVMInhjBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b902164600b3b49de697f1c259d8df6fb57a9f30303fb31e62f9f5d141b2faa3","last_reissued_at":"2026-07-01T00:17:20.576514Z","signature_status":"signed_v1","first_computed_at":"2026-07-01T00:17:20.576514Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.30888","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":"2026-07-01T00:17:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rmhYWAZtLyRzDK6DwETc4+kasSz0ClWo67LRA2DMFTFMv9K9c2z++EmZqpy7B6TB6KlhEtMuocZebfSlytGxAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-03T11:22:47.429923Z"},"content_sha256":"16948bde5cc5e6b9e44bf7ffb26156df8de035275e47e6434d9774bb39e4e92f","schema_version":"1.0","event_id":"sha256:16948bde5cc5e6b9e44bf7ffb26156df8de035275e47e6434d9774bb39e4e92f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:XEBBMRQAWO2J3ZUX6HBFTWG7N6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Automated Reasoning with Nested Datatypes","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.LO","authors_text":"Andrew Reynolds, Cesare Tinelli, Clark Barrett, Tomer Hakak, Yoni Zohar","submitted_at":"2026-06-29T20:23:42Z","abstract_excerpt":"We introduce a theory of nested datatypes. The theory is obtained\n  by restricting the naive combination of datatypes and arrays, so as to prevent\n  non-standard models from emerging.\n  A decision procedure for the theory is given and proven correct.\n  Finally, we describe an implementation of the procedure,\n  as well as an evaluation over both real-world and crafted benchmarks."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.30888","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/2606.30888/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":"2026-07-01T00:17:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gnnfouljHpU2o65gRdnKkVZ/bF3vYxt0HTT8HkIuiDit9s5o9+ZJeflmoa1jpGqFh3nfmmi//FYipWUfxQn6Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-03T11:22:47.430307Z"},"content_sha256":"10012e41a2c93ac138266202b3375a79784c2e0b5f43479fadedcb31fb69ef49","schema_version":"1.0","event_id":"sha256:10012e41a2c93ac138266202b3375a79784c2e0b5f43479fadedcb31fb69ef49"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XEBBMRQAWO2J3ZUX6HBFTWG7N6/bundle.json","state_url":"https://pith.science/pith/XEBBMRQAWO2J3ZUX6HBFTWG7N6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XEBBMRQAWO2J3ZUX6HBFTWG7N6/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":"2026-07-03T11:22:47Z","links":{"resolver":"https://pith.science/pith/XEBBMRQAWO2J3ZUX6HBFTWG7N6","bundle":"https://pith.science/pith/XEBBMRQAWO2J3ZUX6HBFTWG7N6/bundle.json","state":"https://pith.science/pith/XEBBMRQAWO2J3ZUX6HBFTWG7N6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XEBBMRQAWO2J3ZUX6HBFTWG7N6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:XEBBMRQAWO2J3ZUX6HBFTWG7N6","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":"6595a93893e043f436f211e548c5571a4c139ec864b1a34afa1446ddc967b9c3","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LO","submitted_at":"2026-06-29T20:23:42Z","title_canon_sha256":"6adbff74a87c401b7c1659fca3f86ebf7494d5f82bf7b0e16f9ff697f9984930"},"schema_version":"1.0","source":{"id":"2606.30888","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.30888","created_at":"2026-07-01T00:17:20Z"},{"alias_kind":"arxiv_version","alias_value":"2606.30888v1","created_at":"2026-07-01T00:17:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.30888","created_at":"2026-07-01T00:17:20Z"},{"alias_kind":"pith_short_12","alias_value":"XEBBMRQAWO2J","created_at":"2026-07-01T00:17:20Z"},{"alias_kind":"pith_short_16","alias_value":"XEBBMRQAWO2J3ZUX","created_at":"2026-07-01T00:17:20Z"},{"alias_kind":"pith_short_8","alias_value":"XEBBMRQA","created_at":"2026-07-01T00:17:20Z"}],"graph_snapshots":[{"event_id":"sha256:10012e41a2c93ac138266202b3375a79784c2e0b5f43479fadedcb31fb69ef49","target":"graph","created_at":"2026-07-01T00:17:20Z","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/2606.30888/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We introduce a theory of nested datatypes. The theory is obtained\n  by restricting the naive combination of datatypes and arrays, so as to prevent\n  non-standard models from emerging.\n  A decision procedure for the theory is given and proven correct.\n  Finally, we describe an implementation of the procedure,\n  as well as an evaluation over both real-world and crafted benchmarks.","authors_text":"Andrew Reynolds, Cesare Tinelli, Clark Barrett, Tomer Hakak, Yoni Zohar","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LO","submitted_at":"2026-06-29T20:23:42Z","title":"Automated Reasoning with Nested Datatypes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.30888","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":"sha256:16948bde5cc5e6b9e44bf7ffb26156df8de035275e47e6434d9774bb39e4e92f","target":"record","created_at":"2026-07-01T00:17:20Z","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":"6595a93893e043f436f211e548c5571a4c139ec864b1a34afa1446ddc967b9c3","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LO","submitted_at":"2026-06-29T20:23:42Z","title_canon_sha256":"6adbff74a87c401b7c1659fca3f86ebf7494d5f82bf7b0e16f9ff697f9984930"},"schema_version":"1.0","source":{"id":"2606.30888","kind":"arxiv","version":1}},"canonical_sha256":"b902164600b3b49de697f1c259d8df6fb57a9f30303fb31e62f9f5d141b2faa3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b902164600b3b49de697f1c259d8df6fb57a9f30303fb31e62f9f5d141b2faa3","first_computed_at":"2026-07-01T00:17:20.576514Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-01T00:17:20.576514Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fmMOqwefktPCgHr2OZkYJ2y6Ic7IW/fC7UvyLr6ueMS4u453DSb6m0nZGm0WKJzgiu2xrROzy4R5ORVMInhjBw==","signature_status":"signed_v1","signed_at":"2026-07-01T00:17:20.576939Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.30888","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:16948bde5cc5e6b9e44bf7ffb26156df8de035275e47e6434d9774bb39e4e92f","sha256:10012e41a2c93ac138266202b3375a79784c2e0b5f43479fadedcb31fb69ef49"],"state_sha256":"8395004f860ec207bc580acf189fc77a3ba5043a8117000d059d541710b4e68f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a7gCT3qNymhyRRJF5mqKO4oMs8jefqVYuiQNmUdTiK2eupDwRF1jVrnCMnEMXqjwNJfQBT0TL3WWJ1lzvhBaDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-03T11:22:47.432304Z","bundle_sha256":"c8b3b37c4f96651e4ad01f1fd0ae89f3f9481d0ab49dadbd7f83db8c6927d06d"}}