{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:7KY7EJASMTHCS6NZGZLMV4MLI6","short_pith_number":"pith:7KY7EJAS","canonical_record":{"source":{"id":"1401.0514","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.PL","submitted_at":"2014-01-02T19:35:31Z","cross_cats_sorted":["cs.LG","stat.ML"],"title_canon_sha256":"ea720ebc2649b70fd309629b9b2244cc007ceee1e547a752b74a55c236958f18","abstract_canon_sha256":"8590d12cb974238891e07af4d8ace8472e8bf31d8fbd8e249fccad864296d95f"},"schema_version":"1.0"},"canonical_sha256":"fab1f2241264ce2979b93656caf18b4795b6c6e156d78b287df8bcf9b20e263b","source":{"kind":"arxiv","id":"1401.0514","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.0514","created_at":"2026-05-18T02:49:20Z"},{"alias_kind":"arxiv_version","alias_value":"1401.0514v2","created_at":"2026-05-18T02:49:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.0514","created_at":"2026-05-18T02:49:20Z"},{"alias_kind":"pith_short_12","alias_value":"7KY7EJASMTHC","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_16","alias_value":"7KY7EJASMTHCS6NZ","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_8","alias_value":"7KY7EJAS","created_at":"2026-05-18T12:28:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:7KY7EJASMTHCS6NZGZLMV4MLI6","target":"record","payload":{"canonical_record":{"source":{"id":"1401.0514","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.PL","submitted_at":"2014-01-02T19:35:31Z","cross_cats_sorted":["cs.LG","stat.ML"],"title_canon_sha256":"ea720ebc2649b70fd309629b9b2244cc007ceee1e547a752b74a55c236958f18","abstract_canon_sha256":"8590d12cb974238891e07af4d8ace8472e8bf31d8fbd8e249fccad864296d95f"},"schema_version":"1.0"},"canonical_sha256":"fab1f2241264ce2979b93656caf18b4795b6c6e156d78b287df8bcf9b20e263b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:49:20.141503Z","signature_b64":"Z4avt3juC+v+Dqn2ebEYvgFsfW4OVbVgYJaYA4ZmZy9yRUUw9i4kJAr/1+WWB1MksSfAX5U7CoSo8nJ6adtjAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fab1f2241264ce2979b93656caf18b4795b6c6e156d78b287df8bcf9b20e263b","last_reissued_at":"2026-05-18T02:49:20.140851Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:49:20.140851Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1401.0514","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:49:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"37rVLQsrDDtDr3DgHr2ptRBSr4ePYkPGzLiHGQNZb+UPKrBhslLPOkipHY3dn2/CTHqTTiSWPz2egv6hF41wCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T21:08:24.138283Z"},"content_sha256":"93863d73212d887d5ad605500e470715329bd8d7577e66cfd541b690c1a1e9ce","schema_version":"1.0","event_id":"sha256:93863d73212d887d5ad605500e470715329bd8d7577e66cfd541b690c1a1e9ce"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:7KY7EJASMTHCS6NZGZLMV4MLI6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Structured Generative Models of Natural Source Code","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.LG","stat.ML"],"primary_cat":"cs.PL","authors_text":"Chris J. Maddison, Daniel Tarlow","submitted_at":"2014-01-02T19:35:31Z","abstract_excerpt":"We study the problem of building generative models of natural source code (NSC); that is, source code written and understood by humans. Our primary contribution is to describe a family of generative models for NSC that have three key properties: First, they incorporate both sequential and hierarchical structure. Second, we learn a distributed representation of source code elements. Finally, they integrate closely with a compiler, which allows leveraging compiler logic and abstractions when building structure into the model. We also develop an extension that includes more complex structure, ref"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.0514","kind":"arxiv","version":2},"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":"2026-05-18T02:49:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CDT3/cVzRiR1LyxAZ/X7NP/kACjYDd3ndm4yUH5IFGGlvxXTvYNpvaVbqNQN/Cvu3bPtOqBKMZ7x3JJfGnGtAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T21:08:24.139006Z"},"content_sha256":"fadd7da48ed48ffe8b7b2efbfb4d8a8dfd50bed71a691e4487ed33a86ffa426f","schema_version":"1.0","event_id":"sha256:fadd7da48ed48ffe8b7b2efbfb4d8a8dfd50bed71a691e4487ed33a86ffa426f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7KY7EJASMTHCS6NZGZLMV4MLI6/bundle.json","state_url":"https://pith.science/pith/7KY7EJASMTHCS6NZGZLMV4MLI6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7KY7EJASMTHCS6NZGZLMV4MLI6/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":"2026-06-11T21:08:24Z","links":{"resolver":"https://pith.science/pith/7KY7EJASMTHCS6NZGZLMV4MLI6","bundle":"https://pith.science/pith/7KY7EJASMTHCS6NZGZLMV4MLI6/bundle.json","state":"https://pith.science/pith/7KY7EJASMTHCS6NZGZLMV4MLI6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7KY7EJASMTHCS6NZGZLMV4MLI6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:7KY7EJASMTHCS6NZGZLMV4MLI6","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":"8590d12cb974238891e07af4d8ace8472e8bf31d8fbd8e249fccad864296d95f","cross_cats_sorted":["cs.LG","stat.ML"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.PL","submitted_at":"2014-01-02T19:35:31Z","title_canon_sha256":"ea720ebc2649b70fd309629b9b2244cc007ceee1e547a752b74a55c236958f18"},"schema_version":"1.0","source":{"id":"1401.0514","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.0514","created_at":"2026-05-18T02:49:20Z"},{"alias_kind":"arxiv_version","alias_value":"1401.0514v2","created_at":"2026-05-18T02:49:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.0514","created_at":"2026-05-18T02:49:20Z"},{"alias_kind":"pith_short_12","alias_value":"7KY7EJASMTHC","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_16","alias_value":"7KY7EJASMTHCS6NZ","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_8","alias_value":"7KY7EJAS","created_at":"2026-05-18T12:28:19Z"}],"graph_snapshots":[{"event_id":"sha256:fadd7da48ed48ffe8b7b2efbfb4d8a8dfd50bed71a691e4487ed33a86ffa426f","target":"graph","created_at":"2026-05-18T02:49:20Z","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"},"paper":{"abstract_excerpt":"We study the problem of building generative models of natural source code (NSC); that is, source code written and understood by humans. Our primary contribution is to describe a family of generative models for NSC that have three key properties: First, they incorporate both sequential and hierarchical structure. Second, we learn a distributed representation of source code elements. Finally, they integrate closely with a compiler, which allows leveraging compiler logic and abstractions when building structure into the model. We also develop an extension that includes more complex structure, ref","authors_text":"Chris J. Maddison, Daniel Tarlow","cross_cats":["cs.LG","stat.ML"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.PL","submitted_at":"2014-01-02T19:35:31Z","title":"Structured Generative Models of Natural Source Code"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.0514","kind":"arxiv","version":2},"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":"sha256:93863d73212d887d5ad605500e470715329bd8d7577e66cfd541b690c1a1e9ce","target":"record","created_at":"2026-05-18T02:49:20Z","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":"8590d12cb974238891e07af4d8ace8472e8bf31d8fbd8e249fccad864296d95f","cross_cats_sorted":["cs.LG","stat.ML"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.PL","submitted_at":"2014-01-02T19:35:31Z","title_canon_sha256":"ea720ebc2649b70fd309629b9b2244cc007ceee1e547a752b74a55c236958f18"},"schema_version":"1.0","source":{"id":"1401.0514","kind":"arxiv","version":2}},"canonical_sha256":"fab1f2241264ce2979b93656caf18b4795b6c6e156d78b287df8bcf9b20e263b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fab1f2241264ce2979b93656caf18b4795b6c6e156d78b287df8bcf9b20e263b","first_computed_at":"2026-05-18T02:49:20.140851Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:49:20.140851Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Z4avt3juC+v+Dqn2ebEYvgFsfW4OVbVgYJaYA4ZmZy9yRUUw9i4kJAr/1+WWB1MksSfAX5U7CoSo8nJ6adtjAw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:49:20.141503Z","signed_message":"canonical_sha256_bytes"},"source_id":"1401.0514","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:93863d73212d887d5ad605500e470715329bd8d7577e66cfd541b690c1a1e9ce","sha256:fadd7da48ed48ffe8b7b2efbfb4d8a8dfd50bed71a691e4487ed33a86ffa426f"],"state_sha256":"ce3a3e59e5f24af828a49bba01896903a611b846fa79faabc9397b7d624ce8f5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"afm0IJgDS/wQjxog147S9TpWDaz7p7e7KRbUFxtxkXzSBhx8I8Qfq5U9tm5o8o7EZ9mejYv9iMtMDOVvoI9XDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T21:08:24.143161Z","bundle_sha256":"7ef95e7c6db417ad80b616224eef91fb129854d55cbd44d1c983aa912aebbaac"}}