{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:MPO4HNSFPZNXD3Y6EENWKXUXHA","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":"67700e81762105ba93d484bb709830acf250850465dd627275afa1299484f6a8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.PL","submitted_at":"2015-12-24T01:39:47Z","title_canon_sha256":"62b61da2d2d4ef39e6a963c2305ce6872eb9d180b21d93420e8efb1ccf960eac"},"schema_version":"1.0","source":{"id":"1512.07681","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.07681","created_at":"2026-05-18T01:23:48Z"},{"alias_kind":"arxiv_version","alias_value":"1512.07681v1","created_at":"2026-05-18T01:23:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.07681","created_at":"2026-05-18T01:23:48Z"},{"alias_kind":"pith_short_12","alias_value":"MPO4HNSFPZNX","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_16","alias_value":"MPO4HNSFPZNXD3Y6","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_8","alias_value":"MPO4HNSF","created_at":"2026-05-18T12:29:32Z"}],"graph_snapshots":[{"event_id":"sha256:a56301ee0589f188bdb450ad783905c785cbd5c29ecf7ae9f0cfe734823f8584","target":"graph","created_at":"2026-05-18T01:23:48Z","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":"Context-Oriented programming languages provide us with primitive constructs to adapt program behaviour depending on the evolution of their operational environment, namely the context. In previous work we proposed ML_CoDa, a context-oriented language with two-components: a declarative constituent for programming the context and a functional one for computing. This paper describes the implementation of ML_CoDa as an extension of F#.","authors_text":"Andrea Canciani (Dipartimento di Informatica, Gian-Luigi Ferrari (Dipartimento di Informatica, Italy), Letterio Galletta (Dipartimento di Informatica, Pierpaolo Degano (Dipartimento di Informatica, Pisa, Universit\\`a di Pisa","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.PL","submitted_at":"2015-12-24T01:39:47Z","title":"A Context-Oriented Extension of F#"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.07681","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":"sha256:5401cbd36e8fb9a557576eb831198ffc8f02f8b95b939218b6414c80e7aeb400","target":"record","created_at":"2026-05-18T01:23:48Z","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":"67700e81762105ba93d484bb709830acf250850465dd627275afa1299484f6a8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.PL","submitted_at":"2015-12-24T01:39:47Z","title_canon_sha256":"62b61da2d2d4ef39e6a963c2305ce6872eb9d180b21d93420e8efb1ccf960eac"},"schema_version":"1.0","source":{"id":"1512.07681","kind":"arxiv","version":1}},"canonical_sha256":"63ddc3b6457e5b71ef1e211b655e97382f2ad64a25d8a551e4cd617ddf36d4ff","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"63ddc3b6457e5b71ef1e211b655e97382f2ad64a25d8a551e4cd617ddf36d4ff","first_computed_at":"2026-05-18T01:23:48.761714Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:23:48.761714Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+BwTztGwHHu4l38NTTwKP2hz03fvqI0muo1+3XLLo3PIYWTTWPWnoXzfbAO+s9DjlwCBvyNttrj8UULOTK+8Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:23:48.762407Z","signed_message":"canonical_sha256_bytes"},"source_id":"1512.07681","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5401cbd36e8fb9a557576eb831198ffc8f02f8b95b939218b6414c80e7aeb400","sha256:a56301ee0589f188bdb450ad783905c785cbd5c29ecf7ae9f0cfe734823f8584"],"state_sha256":"d6aa65ebe6a55c601d2380e3e9b6013599975efba902129cffc9e32203869064"}