{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:5MS6XIQ2XYEHFEKEHCNVJOTKXI","short_pith_number":"pith:5MS6XIQ2","canonical_record":{"source":{"id":"1401.5334","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2014-01-21T14:56:14Z","cross_cats_sorted":["cs.PL"],"title_canon_sha256":"d43def3f7bf1cadde0f60d24e9c9bc6b0b9bd80bf0a7ea2c3c9d3f6d28d10645","abstract_canon_sha256":"068c5f05de89b5141ccb7678b1930869016ed02fd2a4ed95ff30640c2b2aca0f"},"schema_version":"1.0"},"canonical_sha256":"eb25eba21abe08729144389b54ba6aba1756d3bd82887c8ada08f7ad341790e0","source":{"kind":"arxiv","id":"1401.5334","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.5334","created_at":"2026-05-18T03:01:34Z"},{"alias_kind":"arxiv_version","alias_value":"1401.5334v1","created_at":"2026-05-18T03:01:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.5334","created_at":"2026-05-18T03:01:34Z"},{"alias_kind":"pith_short_12","alias_value":"5MS6XIQ2XYEH","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_16","alias_value":"5MS6XIQ2XYEHFEKE","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_8","alias_value":"5MS6XIQ2","created_at":"2026-05-18T12:28:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:5MS6XIQ2XYEHFEKEHCNVJOTKXI","target":"record","payload":{"canonical_record":{"source":{"id":"1401.5334","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2014-01-21T14:56:14Z","cross_cats_sorted":["cs.PL"],"title_canon_sha256":"d43def3f7bf1cadde0f60d24e9c9bc6b0b9bd80bf0a7ea2c3c9d3f6d28d10645","abstract_canon_sha256":"068c5f05de89b5141ccb7678b1930869016ed02fd2a4ed95ff30640c2b2aca0f"},"schema_version":"1.0"},"canonical_sha256":"eb25eba21abe08729144389b54ba6aba1756d3bd82887c8ada08f7ad341790e0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:01:34.122396Z","signature_b64":"QS9pIIjheKSzwXpPlqIXXGa40BamdW6eV+rN6w4i9etuZv7QAWzv02Vner6Ogj3ZnATo84hONzj2mqUyEgUlAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"eb25eba21abe08729144389b54ba6aba1756d3bd82887c8ada08f7ad341790e0","last_reissued_at":"2026-05-18T03:01:34.121713Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:01:34.121713Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1401.5334","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":"2026-05-18T03:01:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mQhOmpiIIgurVPHp/hUSHR41odwYEh6YFqFjlY99k/r14DrdJHZBAnrehoHVFlBtktE82kRfh2UM07pwe+0iBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:57:49.839234Z"},"content_sha256":"995bab7e699ce041d976234e8f8f97d6f735c099f712331f02b433fb51cf5bfc","schema_version":"1.0","event_id":"sha256:995bab7e699ce041d976234e8f8f97d6f735c099f712331f02b433fb51cf5bfc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:5MS6XIQ2XYEHFEKEHCNVJOTKXI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Microkernel Architecture for Constraint Programming","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.PL"],"primary_cat":"cs.AI","authors_text":"Laurent Michel, Pascal Van Hentenryck","submitted_at":"2014-01-21T14:56:14Z","abstract_excerpt":"This paper presents a microkernel architecture for constraint programming organized around a number of small number of core functionalities and minimal interfaces. The architecture contrasts with the monolithic nature of many implementations. Experimental results indicate that the software engineering benefits are not incompatible with runtime efficiency."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.5334","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":"2026-05-18T03:01:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1jSRIdDWjKE1fJDloMtBlwB6953JcbZuAUyLTl0PwPMxlkRwK8f5Wd/zJi6u3QoZcOKTtvvZnY7rD1JKkmeZDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:57:49.839830Z"},"content_sha256":"34f67261d288b3c77c3e0dfe5d301e7249e90aa19f131a62beb529e84fc333bd","schema_version":"1.0","event_id":"sha256:34f67261d288b3c77c3e0dfe5d301e7249e90aa19f131a62beb529e84fc333bd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5MS6XIQ2XYEHFEKEHCNVJOTKXI/bundle.json","state_url":"https://pith.science/pith/5MS6XIQ2XYEHFEKEHCNVJOTKXI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5MS6XIQ2XYEHFEKEHCNVJOTKXI/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":"2026-05-25T18:57:49Z","links":{"resolver":"https://pith.science/pith/5MS6XIQ2XYEHFEKEHCNVJOTKXI","bundle":"https://pith.science/pith/5MS6XIQ2XYEHFEKEHCNVJOTKXI/bundle.json","state":"https://pith.science/pith/5MS6XIQ2XYEHFEKEHCNVJOTKXI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5MS6XIQ2XYEHFEKEHCNVJOTKXI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:5MS6XIQ2XYEHFEKEHCNVJOTKXI","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":"068c5f05de89b5141ccb7678b1930869016ed02fd2a4ed95ff30640c2b2aca0f","cross_cats_sorted":["cs.PL"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2014-01-21T14:56:14Z","title_canon_sha256":"d43def3f7bf1cadde0f60d24e9c9bc6b0b9bd80bf0a7ea2c3c9d3f6d28d10645"},"schema_version":"1.0","source":{"id":"1401.5334","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.5334","created_at":"2026-05-18T03:01:34Z"},{"alias_kind":"arxiv_version","alias_value":"1401.5334v1","created_at":"2026-05-18T03:01:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.5334","created_at":"2026-05-18T03:01:34Z"},{"alias_kind":"pith_short_12","alias_value":"5MS6XIQ2XYEH","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_16","alias_value":"5MS6XIQ2XYEHFEKE","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_8","alias_value":"5MS6XIQ2","created_at":"2026-05-18T12:28:14Z"}],"graph_snapshots":[{"event_id":"sha256:34f67261d288b3c77c3e0dfe5d301e7249e90aa19f131a62beb529e84fc333bd","target":"graph","created_at":"2026-05-18T03:01:34Z","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":"This paper presents a microkernel architecture for constraint programming organized around a number of small number of core functionalities and minimal interfaces. The architecture contrasts with the monolithic nature of many implementations. Experimental results indicate that the software engineering benefits are not incompatible with runtime efficiency.","authors_text":"Laurent Michel, Pascal Van Hentenryck","cross_cats":["cs.PL"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2014-01-21T14:56:14Z","title":"A Microkernel Architecture for Constraint Programming"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.5334","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":"sha256:995bab7e699ce041d976234e8f8f97d6f735c099f712331f02b433fb51cf5bfc","target":"record","created_at":"2026-05-18T03:01:34Z","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":"068c5f05de89b5141ccb7678b1930869016ed02fd2a4ed95ff30640c2b2aca0f","cross_cats_sorted":["cs.PL"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2014-01-21T14:56:14Z","title_canon_sha256":"d43def3f7bf1cadde0f60d24e9c9bc6b0b9bd80bf0a7ea2c3c9d3f6d28d10645"},"schema_version":"1.0","source":{"id":"1401.5334","kind":"arxiv","version":1}},"canonical_sha256":"eb25eba21abe08729144389b54ba6aba1756d3bd82887c8ada08f7ad341790e0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"eb25eba21abe08729144389b54ba6aba1756d3bd82887c8ada08f7ad341790e0","first_computed_at":"2026-05-18T03:01:34.121713Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:01:34.121713Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QS9pIIjheKSzwXpPlqIXXGa40BamdW6eV+rN6w4i9etuZv7QAWzv02Vner6Ogj3ZnATo84hONzj2mqUyEgUlAw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:01:34.122396Z","signed_message":"canonical_sha256_bytes"},"source_id":"1401.5334","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:995bab7e699ce041d976234e8f8f97d6f735c099f712331f02b433fb51cf5bfc","sha256:34f67261d288b3c77c3e0dfe5d301e7249e90aa19f131a62beb529e84fc333bd"],"state_sha256":"450037879d21b453a0770c214a4614a2919be439ab6dc392086cc945582ed88d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WP8iN8YlNaeD2jhnl+UYDMz8ayuSkMeiq0qadQzQm/1Nb+O+Nfjs4xvRPvqTawsdh/Ntj2HoT5wicT68SSYZAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T18:57:49.844069Z","bundle_sha256":"cd63dd8604c3d37d78df1151380f978f03cdc72994bd39a2a1b945446da8e17b"}}