{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:VAXZTL2YWAWU5IRW2TSI7NSJA7","short_pith_number":"pith:VAXZTL2Y","canonical_record":{"source":{"id":"1712.00206","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2017-12-01T06:23:22Z","cross_cats_sorted":[],"title_canon_sha256":"c074d097a4a88d9b7bcf7f57f02a6ce2069b6c931a22460f0cbf4f03fa24874d","abstract_canon_sha256":"ce87ad1684ad59c96310f0f8526304962d3e496f774d4ae01a76100fe8d5411c"},"schema_version":"1.0"},"canonical_sha256":"a82f99af58b02d4ea236d4e48fb64907df94df51a57d6164484c195d4dc8fd5e","source":{"kind":"arxiv","id":"1712.00206","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.00206","created_at":"2026-05-18T00:29:06Z"},{"alias_kind":"arxiv_version","alias_value":"1712.00206v1","created_at":"2026-05-18T00:29:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.00206","created_at":"2026-05-18T00:29:06Z"},{"alias_kind":"pith_short_12","alias_value":"VAXZTL2YWAWU","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_16","alias_value":"VAXZTL2YWAWU5IRW","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_8","alias_value":"VAXZTL2Y","created_at":"2026-05-18T12:31:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:VAXZTL2YWAWU5IRW2TSI7NSJA7","target":"record","payload":{"canonical_record":{"source":{"id":"1712.00206","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2017-12-01T06:23:22Z","cross_cats_sorted":[],"title_canon_sha256":"c074d097a4a88d9b7bcf7f57f02a6ce2069b6c931a22460f0cbf4f03fa24874d","abstract_canon_sha256":"ce87ad1684ad59c96310f0f8526304962d3e496f774d4ae01a76100fe8d5411c"},"schema_version":"1.0"},"canonical_sha256":"a82f99af58b02d4ea236d4e48fb64907df94df51a57d6164484c195d4dc8fd5e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:29:06.968039Z","signature_b64":"NLZUDtzvJWy73Gb3bO2iR+nff5p8nSomU6DXQD5n/1tpxgFs8ZeXaB36Wz08rR8FVENuzAqQafDGgQcfIMYiAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a82f99af58b02d4ea236d4e48fb64907df94df51a57d6164484c195d4dc8fd5e","last_reissued_at":"2026-05-18T00:29:06.967295Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:29:06.967295Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1712.00206","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":"2026-05-18T00:29:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JaqhFWfeowGNvUznJleFKdepO1nkYVrJVJlY07hGrUiyA664Iywx8YXShj5FmcNAIz4aO/Gp7P4at0UWLZrPCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T14:24:08.394415Z"},"content_sha256":"385fc90e6cf0ea0009bda35665b948833e6fd31d3ca1706f72438c8e02c21144","schema_version":"1.0","event_id":"sha256:385fc90e6cf0ea0009bda35665b948833e6fd31d3ca1706f72438c8e02c21144"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:VAXZTL2YWAWU5IRW2TSI7NSJA7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Distributed Stratified Locality Sensitive Hashing for Critical Event Prediction in the Cloud","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.LG","authors_text":"Alessandro De Palma, Erik Hemberg, Una-May O'Reilly","submitted_at":"2017-12-01T06:23:22Z","abstract_excerpt":"The availability of massive healthcare data repositories calls for efficient tools for data-driven medicine. We introduce a distributed system for Stratified Locality Sensitive Hashing to perform fast similarity-based prediction on large medical waveform datasets. Our implementation, for an ICU use case, prioritizes latency over throughput and is targeted at a cloud environment. We demonstrate our system on Acute Hypotensive Episode prediction from Arterial Blood Pressure waveforms. On a dataset of $1.37$ million points, we show scaling up to $40$ processors and a $21\\times$ speedup in number "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.00206","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":"2026-05-18T00:29:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EJW+duN1U9JiBeHGxp0z+FTfrKTiQE4wNaLH+ILFLzE5PK0G525x9hvffY1Tr0Ej6Z23ORrKmQHJ3PWLcxB0Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T14:24:08.395125Z"},"content_sha256":"a2b1f562e19baacc16bfd7c241858e11f28ca06b396e1d72e41b1d85ee233e4c","schema_version":"1.0","event_id":"sha256:a2b1f562e19baacc16bfd7c241858e11f28ca06b396e1d72e41b1d85ee233e4c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VAXZTL2YWAWU5IRW2TSI7NSJA7/bundle.json","state_url":"https://pith.science/pith/VAXZTL2YWAWU5IRW2TSI7NSJA7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VAXZTL2YWAWU5IRW2TSI7NSJA7/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":"2026-06-06T14:24:08Z","links":{"resolver":"https://pith.science/pith/VAXZTL2YWAWU5IRW2TSI7NSJA7","bundle":"https://pith.science/pith/VAXZTL2YWAWU5IRW2TSI7NSJA7/bundle.json","state":"https://pith.science/pith/VAXZTL2YWAWU5IRW2TSI7NSJA7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VAXZTL2YWAWU5IRW2TSI7NSJA7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:VAXZTL2YWAWU5IRW2TSI7NSJA7","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":"ce87ad1684ad59c96310f0f8526304962d3e496f774d4ae01a76100fe8d5411c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2017-12-01T06:23:22Z","title_canon_sha256":"c074d097a4a88d9b7bcf7f57f02a6ce2069b6c931a22460f0cbf4f03fa24874d"},"schema_version":"1.0","source":{"id":"1712.00206","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.00206","created_at":"2026-05-18T00:29:06Z"},{"alias_kind":"arxiv_version","alias_value":"1712.00206v1","created_at":"2026-05-18T00:29:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.00206","created_at":"2026-05-18T00:29:06Z"},{"alias_kind":"pith_short_12","alias_value":"VAXZTL2YWAWU","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_16","alias_value":"VAXZTL2YWAWU5IRW","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_8","alias_value":"VAXZTL2Y","created_at":"2026-05-18T12:31:49Z"}],"graph_snapshots":[{"event_id":"sha256:a2b1f562e19baacc16bfd7c241858e11f28ca06b396e1d72e41b1d85ee233e4c","target":"graph","created_at":"2026-05-18T00:29:06Z","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":"The availability of massive healthcare data repositories calls for efficient tools for data-driven medicine. We introduce a distributed system for Stratified Locality Sensitive Hashing to perform fast similarity-based prediction on large medical waveform datasets. Our implementation, for an ICU use case, prioritizes latency over throughput and is targeted at a cloud environment. We demonstrate our system on Acute Hypotensive Episode prediction from Arterial Blood Pressure waveforms. On a dataset of $1.37$ million points, we show scaling up to $40$ processors and a $21\\times$ speedup in number ","authors_text":"Alessandro De Palma, Erik Hemberg, Una-May O'Reilly","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2017-12-01T06:23:22Z","title":"Distributed Stratified Locality Sensitive Hashing for Critical Event Prediction in the Cloud"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.00206","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":"sha256:385fc90e6cf0ea0009bda35665b948833e6fd31d3ca1706f72438c8e02c21144","target":"record","created_at":"2026-05-18T00:29:06Z","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":"ce87ad1684ad59c96310f0f8526304962d3e496f774d4ae01a76100fe8d5411c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2017-12-01T06:23:22Z","title_canon_sha256":"c074d097a4a88d9b7bcf7f57f02a6ce2069b6c931a22460f0cbf4f03fa24874d"},"schema_version":"1.0","source":{"id":"1712.00206","kind":"arxiv","version":1}},"canonical_sha256":"a82f99af58b02d4ea236d4e48fb64907df94df51a57d6164484c195d4dc8fd5e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a82f99af58b02d4ea236d4e48fb64907df94df51a57d6164484c195d4dc8fd5e","first_computed_at":"2026-05-18T00:29:06.967295Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:29:06.967295Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NLZUDtzvJWy73Gb3bO2iR+nff5p8nSomU6DXQD5n/1tpxgFs8ZeXaB36Wz08rR8FVENuzAqQafDGgQcfIMYiAA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:29:06.968039Z","signed_message":"canonical_sha256_bytes"},"source_id":"1712.00206","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:385fc90e6cf0ea0009bda35665b948833e6fd31d3ca1706f72438c8e02c21144","sha256:a2b1f562e19baacc16bfd7c241858e11f28ca06b396e1d72e41b1d85ee233e4c"],"state_sha256":"fe0eb1fe26253e2403b6ee658ed451678dbe453a42366b48cfeb5add8ec98146"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ChR5ekIuwQUHgfAxROBNCbzycTg94FYHJm8NCDhSEoE6Fn/e98cewITSCZ4jeZXjzqs8w01QwtxQ2QRH5aV/BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T14:24:08.399862Z","bundle_sha256":"b9d8075f2a26a687c5dec4183b8110204cd23c8c06a6b6fc69bb9f37b9c3398f"}}