{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:FPVI2XZU43EFZ6HWBL5MAABJR7","short_pith_number":"pith:FPVI2XZU","canonical_record":{"source":{"id":"1905.05909","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.PL","submitted_at":"2019-05-15T01:30:27Z","cross_cats_sorted":[],"title_canon_sha256":"1b16ba26dc99d109b6e28d5c2d02c93f06b15a060daf6c64ffee0272a3074bb3","abstract_canon_sha256":"03f85169a69c68812105806d6688a7aa2c581e8133f1d3bcb1973f4eb0843c00"},"schema_version":"1.0"},"canonical_sha256":"2bea8d5f34e6c85cf8f60afac000298fd2869e0da6366d1432ec9bcf2aab0d3d","source":{"kind":"arxiv","id":"1905.05909","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.05909","created_at":"2026-05-17T23:46:08Z"},{"alias_kind":"arxiv_version","alias_value":"1905.05909v1","created_at":"2026-05-17T23:46:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.05909","created_at":"2026-05-17T23:46:08Z"},{"alias_kind":"pith_short_12","alias_value":"FPVI2XZU43EF","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"FPVI2XZU43EFZ6HW","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"FPVI2XZU","created_at":"2026-05-18T12:33:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:FPVI2XZU43EFZ6HWBL5MAABJR7","target":"record","payload":{"canonical_record":{"source":{"id":"1905.05909","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.PL","submitted_at":"2019-05-15T01:30:27Z","cross_cats_sorted":[],"title_canon_sha256":"1b16ba26dc99d109b6e28d5c2d02c93f06b15a060daf6c64ffee0272a3074bb3","abstract_canon_sha256":"03f85169a69c68812105806d6688a7aa2c581e8133f1d3bcb1973f4eb0843c00"},"schema_version":"1.0"},"canonical_sha256":"2bea8d5f34e6c85cf8f60afac000298fd2869e0da6366d1432ec9bcf2aab0d3d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:46:08.127938Z","signature_b64":"+mxXBaraCstj1ljqMYAapSyKMVU17ZfsL8yFVi8rCjOs5ecHxcuPm9OQb3rZm5VOVYekUUstornX/+bFkPZHDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2bea8d5f34e6c85cf8f60afac000298fd2869e0da6366d1432ec9bcf2aab0d3d","last_reissued_at":"2026-05-17T23:46:08.127487Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:46:08.127487Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1905.05909","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":"2026-05-17T23:46:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G63GbFnP2kFW/ARMVinLZuANFozwDTWTb5Ty6DKI5p7AOdY4HOsoRvKk4xBkKX0CgYF8WtzN1JAE0X7ETcogCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T14:40:30.696487Z"},"content_sha256":"ab7d6bacaa1312c9c163ecd5f9fb67ac1edbcd83bff983afe3d03a2dc46623c9","schema_version":"1.0","event_id":"sha256:ab7d6bacaa1312c9c163ecd5f9fb67ac1edbcd83bff983afe3d03a2dc46623c9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:FPVI2XZU43EFZ6HWBL5MAABJR7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Proceedings ML Family / OCaml Users and Developers workshops","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.PL","authors_text":"Gabriel Scherer, Sam Lindley","submitted_at":"2019-05-15T01:30:27Z","abstract_excerpt":"This volume contains the joint post-proceedings of the 2017 editions of the ML Family Workshop and the OCaml Users and Developers Workshop which took place in Oxford, UK, September 2017, and which were colocated with the ICFP 2017 conference."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.05909","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":"2026-05-17T23:46:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BsRfTkj535UmQ65GMvwW5Igr3Zb7gXEG7lJGi0I81RagFGcSg2X4toNgamK4BCVqDvnW0rpqqE5kN7x91ENcCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T14:40:30.696831Z"},"content_sha256":"e9ce41bbe8d6596e49792fc580b5743504d4014aa72e4c4fc35ae0ea1462a23d","schema_version":"1.0","event_id":"sha256:e9ce41bbe8d6596e49792fc580b5743504d4014aa72e4c4fc35ae0ea1462a23d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FPVI2XZU43EFZ6HWBL5MAABJR7/bundle.json","state_url":"https://pith.science/pith/FPVI2XZU43EFZ6HWBL5MAABJR7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FPVI2XZU43EFZ6HWBL5MAABJR7/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":"2026-06-01T14:40:30Z","links":{"resolver":"https://pith.science/pith/FPVI2XZU43EFZ6HWBL5MAABJR7","bundle":"https://pith.science/pith/FPVI2XZU43EFZ6HWBL5MAABJR7/bundle.json","state":"https://pith.science/pith/FPVI2XZU43EFZ6HWBL5MAABJR7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FPVI2XZU43EFZ6HWBL5MAABJR7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:FPVI2XZU43EFZ6HWBL5MAABJR7","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":"03f85169a69c68812105806d6688a7aa2c581e8133f1d3bcb1973f4eb0843c00","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.PL","submitted_at":"2019-05-15T01:30:27Z","title_canon_sha256":"1b16ba26dc99d109b6e28d5c2d02c93f06b15a060daf6c64ffee0272a3074bb3"},"schema_version":"1.0","source":{"id":"1905.05909","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.05909","created_at":"2026-05-17T23:46:08Z"},{"alias_kind":"arxiv_version","alias_value":"1905.05909v1","created_at":"2026-05-17T23:46:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.05909","created_at":"2026-05-17T23:46:08Z"},{"alias_kind":"pith_short_12","alias_value":"FPVI2XZU43EF","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"FPVI2XZU43EFZ6HW","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"FPVI2XZU","created_at":"2026-05-18T12:33:15Z"}],"graph_snapshots":[{"event_id":"sha256:e9ce41bbe8d6596e49792fc580b5743504d4014aa72e4c4fc35ae0ea1462a23d","target":"graph","created_at":"2026-05-17T23:46:08Z","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 volume contains the joint post-proceedings of the 2017 editions of the ML Family Workshop and the OCaml Users and Developers Workshop which took place in Oxford, UK, September 2017, and which were colocated with the ICFP 2017 conference.","authors_text":"Gabriel Scherer, Sam Lindley","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.PL","submitted_at":"2019-05-15T01:30:27Z","title":"Proceedings ML Family / OCaml Users and Developers workshops"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.05909","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:ab7d6bacaa1312c9c163ecd5f9fb67ac1edbcd83bff983afe3d03a2dc46623c9","target":"record","created_at":"2026-05-17T23:46:08Z","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":"03f85169a69c68812105806d6688a7aa2c581e8133f1d3bcb1973f4eb0843c00","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.PL","submitted_at":"2019-05-15T01:30:27Z","title_canon_sha256":"1b16ba26dc99d109b6e28d5c2d02c93f06b15a060daf6c64ffee0272a3074bb3"},"schema_version":"1.0","source":{"id":"1905.05909","kind":"arxiv","version":1}},"canonical_sha256":"2bea8d5f34e6c85cf8f60afac000298fd2869e0da6366d1432ec9bcf2aab0d3d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2bea8d5f34e6c85cf8f60afac000298fd2869e0da6366d1432ec9bcf2aab0d3d","first_computed_at":"2026-05-17T23:46:08.127487Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:46:08.127487Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+mxXBaraCstj1ljqMYAapSyKMVU17ZfsL8yFVi8rCjOs5ecHxcuPm9OQb3rZm5VOVYekUUstornX/+bFkPZHDQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:46:08.127938Z","signed_message":"canonical_sha256_bytes"},"source_id":"1905.05909","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ab7d6bacaa1312c9c163ecd5f9fb67ac1edbcd83bff983afe3d03a2dc46623c9","sha256:e9ce41bbe8d6596e49792fc580b5743504d4014aa72e4c4fc35ae0ea1462a23d"],"state_sha256":"3c8f9fb32a3e5368bad7bbea785d6b0e666a344efc35d5f82d323b9eb04a1653"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WtPoD2GuXIAvtlHTr8vRXSfK2wbO/dKiCOXLoKHLQx3Y50GyVP86I1sw+D02L4BaeKAyfrwEUhFODwY8EnsTAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T14:40:30.698758Z","bundle_sha256":"620d620d7917f7cbd5599ef4fddbb0a6fb4a28fc5892dbc5367bce0961a0b92d"}}