{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:IFI3J3QBJ2QCRDFHR77AOS4CN2","short_pith_number":"pith:IFI3J3QB","canonical_record":{"source":{"id":"1804.04145","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LO","submitted_at":"2018-04-11T18:00:34Z","cross_cats_sorted":[],"title_canon_sha256":"ad57ccfef086b25f38ae7c8f99f54aebc508e3d1e746479eea2fbd078ddae882","abstract_canon_sha256":"b80221cd86749acfcefaf448f37f9d61d33fdff9cfea991e57c90554183ef6da"},"schema_version":"1.0"},"canonical_sha256":"4151b4ee014ea0288ca78ffe074b826e8921e93170c5ccba9aae606a94f1c90f","source":{"kind":"arxiv","id":"1804.04145","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.04145","created_at":"2026-05-18T00:18:40Z"},{"alias_kind":"arxiv_version","alias_value":"1804.04145v1","created_at":"2026-05-18T00:18:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.04145","created_at":"2026-05-18T00:18:40Z"},{"alias_kind":"pith_short_12","alias_value":"IFI3J3QBJ2QC","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_16","alias_value":"IFI3J3QBJ2QCRDFH","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_8","alias_value":"IFI3J3QB","created_at":"2026-05-18T12:32:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:IFI3J3QBJ2QCRDFHR77AOS4CN2","target":"record","payload":{"canonical_record":{"source":{"id":"1804.04145","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LO","submitted_at":"2018-04-11T18:00:34Z","cross_cats_sorted":[],"title_canon_sha256":"ad57ccfef086b25f38ae7c8f99f54aebc508e3d1e746479eea2fbd078ddae882","abstract_canon_sha256":"b80221cd86749acfcefaf448f37f9d61d33fdff9cfea991e57c90554183ef6da"},"schema_version":"1.0"},"canonical_sha256":"4151b4ee014ea0288ca78ffe074b826e8921e93170c5ccba9aae606a94f1c90f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:18:40.644143Z","signature_b64":"e/Q3TZk8ZoeVstmLOs6F79TPc8QlJz7WcxB2dEF1GXjOKDJTpfs7igsXgn7z4WrtqEXMF8iL3cmns/3plHfvDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4151b4ee014ea0288ca78ffe074b826e8921e93170c5ccba9aae606a94f1c90f","last_reissued_at":"2026-05-18T00:18:40.643553Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:18:40.643553Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.04145","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":"2026-05-18T00:18:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eUS+pYMLaz4NX5BD/n7+TD1JOAMuV+wm/Tnn9YK6S4mFzrOkrayj+szRBp/9oCWfwjFo5+cX6TXf7VDfNu43CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T06:06:54.876217Z"},"content_sha256":"1c9981031931ede5e132d3f25fe9c08372cedb67d906603593c027b3d9b63380","schema_version":"1.0","event_id":"sha256:1c9981031931ede5e132d3f25fe9c08372cedb67d906603593c027b3d9b63380"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:IFI3J3QBJ2QCRDFHR77AOS4CN2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Compositional semantics for new paradigms: probabilistic, hybrid and beyond","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.LO","authors_text":"Fredrik Dahlqvist, Renato Neves","submitted_at":"2018-04-11T18:00:34Z","abstract_excerpt":"Emerging computational paradigms, such as probabilistic and hybrid programming, introduce new primitive operations that often need to be combined with classic programming constructs. However, it still remains a challenge to provide a semantics to these features and their combination in a systematic manner. For this reason, we introduce a generic, monadic framework that allows us to investigate not only which programming features a given paradigm supports, but also on how it can be extended with new constructs. By applying our method to the probabilistic and hybrid case, we list for example all"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.04145","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":"2026-05-18T00:18:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ceq3rvgqNXSiRCZD5rLjVXM2RwQEH3RRLNy2feHb93ccMwVxtO9VBuRQIKbmFBPxtyH7HItEOkmDWHiWB0uBDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T06:06:54.876586Z"},"content_sha256":"df43cab8c4adde6b94c5e9e3098898b43f5fb074f5227f0ed8a58781f32f7308","schema_version":"1.0","event_id":"sha256:df43cab8c4adde6b94c5e9e3098898b43f5fb074f5227f0ed8a58781f32f7308"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IFI3J3QBJ2QCRDFHR77AOS4CN2/bundle.json","state_url":"https://pith.science/pith/IFI3J3QBJ2QCRDFHR77AOS4CN2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IFI3J3QBJ2QCRDFHR77AOS4CN2/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":"2026-06-05T06:06:54Z","links":{"resolver":"https://pith.science/pith/IFI3J3QBJ2QCRDFHR77AOS4CN2","bundle":"https://pith.science/pith/IFI3J3QBJ2QCRDFHR77AOS4CN2/bundle.json","state":"https://pith.science/pith/IFI3J3QBJ2QCRDFHR77AOS4CN2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IFI3J3QBJ2QCRDFHR77AOS4CN2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:IFI3J3QBJ2QCRDFHR77AOS4CN2","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":"b80221cd86749acfcefaf448f37f9d61d33fdff9cfea991e57c90554183ef6da","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LO","submitted_at":"2018-04-11T18:00:34Z","title_canon_sha256":"ad57ccfef086b25f38ae7c8f99f54aebc508e3d1e746479eea2fbd078ddae882"},"schema_version":"1.0","source":{"id":"1804.04145","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.04145","created_at":"2026-05-18T00:18:40Z"},{"alias_kind":"arxiv_version","alias_value":"1804.04145v1","created_at":"2026-05-18T00:18:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.04145","created_at":"2026-05-18T00:18:40Z"},{"alias_kind":"pith_short_12","alias_value":"IFI3J3QBJ2QC","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_16","alias_value":"IFI3J3QBJ2QCRDFH","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_8","alias_value":"IFI3J3QB","created_at":"2026-05-18T12:32:28Z"}],"graph_snapshots":[{"event_id":"sha256:df43cab8c4adde6b94c5e9e3098898b43f5fb074f5227f0ed8a58781f32f7308","target":"graph","created_at":"2026-05-18T00:18:40Z","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":"Emerging computational paradigms, such as probabilistic and hybrid programming, introduce new primitive operations that often need to be combined with classic programming constructs. However, it still remains a challenge to provide a semantics to these features and their combination in a systematic manner. For this reason, we introduce a generic, monadic framework that allows us to investigate not only which programming features a given paradigm supports, but also on how it can be extended with new constructs. By applying our method to the probabilistic and hybrid case, we list for example all","authors_text":"Fredrik Dahlqvist, Renato Neves","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LO","submitted_at":"2018-04-11T18:00:34Z","title":"Compositional semantics for new paradigms: probabilistic, hybrid and beyond"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.04145","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":"sha256:1c9981031931ede5e132d3f25fe9c08372cedb67d906603593c027b3d9b63380","target":"record","created_at":"2026-05-18T00:18:40Z","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":"b80221cd86749acfcefaf448f37f9d61d33fdff9cfea991e57c90554183ef6da","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LO","submitted_at":"2018-04-11T18:00:34Z","title_canon_sha256":"ad57ccfef086b25f38ae7c8f99f54aebc508e3d1e746479eea2fbd078ddae882"},"schema_version":"1.0","source":{"id":"1804.04145","kind":"arxiv","version":1}},"canonical_sha256":"4151b4ee014ea0288ca78ffe074b826e8921e93170c5ccba9aae606a94f1c90f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4151b4ee014ea0288ca78ffe074b826e8921e93170c5ccba9aae606a94f1c90f","first_computed_at":"2026-05-18T00:18:40.643553Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:18:40.643553Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"e/Q3TZk8ZoeVstmLOs6F79TPc8QlJz7WcxB2dEF1GXjOKDJTpfs7igsXgn7z4WrtqEXMF8iL3cmns/3plHfvDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:18:40.644143Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.04145","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1c9981031931ede5e132d3f25fe9c08372cedb67d906603593c027b3d9b63380","sha256:df43cab8c4adde6b94c5e9e3098898b43f5fb074f5227f0ed8a58781f32f7308"],"state_sha256":"f258dbf4b85a4f8bb1fa1a03ff4ee9f5eaa6fb6f75eae350ebcdbea8d786fb59"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qVe4ulyOfBoN/t4IhRj0lqVSKmtxm/TF0EKWOo45dmpv1FZDA/nFeNOAtViTI9fC0x7JWZcCX5MIeMaWLUAFBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T06:06:54.878923Z","bundle_sha256":"89aa66b1cc7fd85989685da755303ee6b2fdf79eb8040bda62011d968cacfa9f"}}