{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:SRCNDJ76SGTPGFXCGFJPP5V6DV","short_pith_number":"pith:SRCNDJ76","canonical_record":{"source":{"id":"1108.5667","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2011-08-29T17:38:33Z","cross_cats_sorted":["cs.LO"],"title_canon_sha256":"ec93b98e57d1f78cbfcd0314afef53dae9f88b6f6d4b35991f80a20d63bcaab2","abstract_canon_sha256":"153e60ab655d7108d9d094b97012adce9c5a6e002c6dae5e05d2b693064e477e"},"schema_version":"1.0"},"canonical_sha256":"9444d1a7fe91a6f316e23152f7f6be1d4d3dfa9a704f372f26a34452356e3a9d","source":{"kind":"arxiv","id":"1108.5667","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.5667","created_at":"2026-05-18T04:14:37Z"},{"alias_kind":"arxiv_version","alias_value":"1108.5667v1","created_at":"2026-05-18T04:14:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.5667","created_at":"2026-05-18T04:14:37Z"},{"alias_kind":"pith_short_12","alias_value":"SRCNDJ76SGTP","created_at":"2026-05-18T12:26:41Z"},{"alias_kind":"pith_short_16","alias_value":"SRCNDJ76SGTPGFXC","created_at":"2026-05-18T12:26:41Z"},{"alias_kind":"pith_short_8","alias_value":"SRCNDJ76","created_at":"2026-05-18T12:26:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:SRCNDJ76SGTPGFXCGFJPP5V6DV","target":"record","payload":{"canonical_record":{"source":{"id":"1108.5667","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2011-08-29T17:38:33Z","cross_cats_sorted":["cs.LO"],"title_canon_sha256":"ec93b98e57d1f78cbfcd0314afef53dae9f88b6f6d4b35991f80a20d63bcaab2","abstract_canon_sha256":"153e60ab655d7108d9d094b97012adce9c5a6e002c6dae5e05d2b693064e477e"},"schema_version":"1.0"},"canonical_sha256":"9444d1a7fe91a6f316e23152f7f6be1d4d3dfa9a704f372f26a34452356e3a9d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:14:37.017136Z","signature_b64":"1Pxu0cg4KGzzqHpeZdDGd0EmNtkhAQLRHXCuXJMO6hi0OgrUmrhT7HrzwQ+1yQeuf4DcASBeYtjB1IEnGJTNAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9444d1a7fe91a6f316e23152f7f6be1d4d3dfa9a704f372f26a34452356e3a9d","last_reissued_at":"2026-05-18T04:14:37.016731Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:14:37.016731Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1108.5667","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":"2026-05-18T04:14:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"k1zO8zqvGeTAhH21ZbsJRYmAelnY9dc5sedC54ViJb/S4vV5HZtez82uNbm1UVW2AbkOexIma+MoUPW+toaaDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T19:23:47.083749Z"},"content_sha256":"e1c54166a50c3caa86bfcf61167f7659e023ae049a0966f0454b895b83f876d0","schema_version":"1.0","event_id":"sha256:e1c54166a50c3caa86bfcf61167f7659e023ae049a0966f0454b895b83f876d0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:SRCNDJ76SGTPGFXCGFJPP5V6DV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A prototype of a knowledge-based programming environment","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.LO"],"primary_cat":"cs.AI","authors_text":"Johan Wittocx, Marc Denecker, Stef De Pooter","submitted_at":"2011-08-29T17:38:33Z","abstract_excerpt":"In this paper we present a proposal for a knowledge-based programming environment. In such an environment, declarative background knowledge, procedures, and concrete data are represented in suitable languages and combined in a flexible manner. This leads to a highly declarative programming style. We illustrate our approach on an example and report about our prototype implementation."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.5667","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":"2026-05-18T04:14:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ii7uGJ55bIr3TMzbMdMaqAd20OO/IAvVn5mzqWTNTwpW6bsTupWzzCgIOUQ+cFRDbHxC8kRN3X22Jb37Ct4NDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T19:23:47.084468Z"},"content_sha256":"fe923f704060dd10f0371c7e4b9c15adb3a911d7356c99ac1c3cb6a2bec3508a","schema_version":"1.0","event_id":"sha256:fe923f704060dd10f0371c7e4b9c15adb3a911d7356c99ac1c3cb6a2bec3508a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SRCNDJ76SGTPGFXCGFJPP5V6DV/bundle.json","state_url":"https://pith.science/pith/SRCNDJ76SGTPGFXCGFJPP5V6DV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SRCNDJ76SGTPGFXCGFJPP5V6DV/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":"2026-05-29T19:23:47Z","links":{"resolver":"https://pith.science/pith/SRCNDJ76SGTPGFXCGFJPP5V6DV","bundle":"https://pith.science/pith/SRCNDJ76SGTPGFXCGFJPP5V6DV/bundle.json","state":"https://pith.science/pith/SRCNDJ76SGTPGFXCGFJPP5V6DV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SRCNDJ76SGTPGFXCGFJPP5V6DV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:SRCNDJ76SGTPGFXCGFJPP5V6DV","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":"153e60ab655d7108d9d094b97012adce9c5a6e002c6dae5e05d2b693064e477e","cross_cats_sorted":["cs.LO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2011-08-29T17:38:33Z","title_canon_sha256":"ec93b98e57d1f78cbfcd0314afef53dae9f88b6f6d4b35991f80a20d63bcaab2"},"schema_version":"1.0","source":{"id":"1108.5667","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.5667","created_at":"2026-05-18T04:14:37Z"},{"alias_kind":"arxiv_version","alias_value":"1108.5667v1","created_at":"2026-05-18T04:14:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.5667","created_at":"2026-05-18T04:14:37Z"},{"alias_kind":"pith_short_12","alias_value":"SRCNDJ76SGTP","created_at":"2026-05-18T12:26:41Z"},{"alias_kind":"pith_short_16","alias_value":"SRCNDJ76SGTPGFXC","created_at":"2026-05-18T12:26:41Z"},{"alias_kind":"pith_short_8","alias_value":"SRCNDJ76","created_at":"2026-05-18T12:26:41Z"}],"graph_snapshots":[{"event_id":"sha256:fe923f704060dd10f0371c7e4b9c15adb3a911d7356c99ac1c3cb6a2bec3508a","target":"graph","created_at":"2026-05-18T04:14:37Z","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 this paper we present a proposal for a knowledge-based programming environment. In such an environment, declarative background knowledge, procedures, and concrete data are represented in suitable languages and combined in a flexible manner. This leads to a highly declarative programming style. We illustrate our approach on an example and report about our prototype implementation.","authors_text":"Johan Wittocx, Marc Denecker, Stef De Pooter","cross_cats":["cs.LO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2011-08-29T17:38:33Z","title":"A prototype of a knowledge-based programming environment"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.5667","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:e1c54166a50c3caa86bfcf61167f7659e023ae049a0966f0454b895b83f876d0","target":"record","created_at":"2026-05-18T04:14:37Z","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":"153e60ab655d7108d9d094b97012adce9c5a6e002c6dae5e05d2b693064e477e","cross_cats_sorted":["cs.LO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2011-08-29T17:38:33Z","title_canon_sha256":"ec93b98e57d1f78cbfcd0314afef53dae9f88b6f6d4b35991f80a20d63bcaab2"},"schema_version":"1.0","source":{"id":"1108.5667","kind":"arxiv","version":1}},"canonical_sha256":"9444d1a7fe91a6f316e23152f7f6be1d4d3dfa9a704f372f26a34452356e3a9d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9444d1a7fe91a6f316e23152f7f6be1d4d3dfa9a704f372f26a34452356e3a9d","first_computed_at":"2026-05-18T04:14:37.016731Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:14:37.016731Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1Pxu0cg4KGzzqHpeZdDGd0EmNtkhAQLRHXCuXJMO6hi0OgrUmrhT7HrzwQ+1yQeuf4DcASBeYtjB1IEnGJTNAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:14:37.017136Z","signed_message":"canonical_sha256_bytes"},"source_id":"1108.5667","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e1c54166a50c3caa86bfcf61167f7659e023ae049a0966f0454b895b83f876d0","sha256:fe923f704060dd10f0371c7e4b9c15adb3a911d7356c99ac1c3cb6a2bec3508a"],"state_sha256":"81c795b527dd5e78be9b18068afec2566ef0ef2952af4852a284954d81ee545e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GAGPeicotVg1hUT9Q8g5q79K+vPmHwu2GXvfc/4EzEZcYceQrKmKn7f+TIa+J9GKPw92Qzx+oq8rygNxPUYHCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T19:23:47.088078Z","bundle_sha256":"392c1d32091e23612a56b82bfc63ac57c2e77c7b93caeb0e21d953aca8e4582f"}}