{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:PC4M3FSUBEKO2TG7MH5YTPP7RO","short_pith_number":"pith:PC4M3FSU","canonical_record":{"source":{"id":"1903.12347","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2019-03-29T03:51:22Z","cross_cats_sorted":["stat.ML"],"title_canon_sha256":"1caa92c7436dda1d757fcdf194ffeaf69588b5734dc0188607bbcc82309f88a9","abstract_canon_sha256":"6c710ee412a5af423357604986b50e9c2e0417e783bd45a37b544803bfadeac1"},"schema_version":"1.0"},"canonical_sha256":"78b8cd96540914ed4cdf61fb89bdff8b98f9b864e46f404153917729b8f8b7ec","source":{"kind":"arxiv","id":"1903.12347","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.12347","created_at":"2026-05-17T23:49:54Z"},{"alias_kind":"arxiv_version","alias_value":"1903.12347v1","created_at":"2026-05-17T23:49:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.12347","created_at":"2026-05-17T23:49:54Z"},{"alias_kind":"pith_short_12","alias_value":"PC4M3FSUBEKO","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_16","alias_value":"PC4M3FSUBEKO2TG7","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_8","alias_value":"PC4M3FSU","created_at":"2026-05-18T12:33:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:PC4M3FSUBEKO2TG7MH5YTPP7RO","target":"record","payload":{"canonical_record":{"source":{"id":"1903.12347","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2019-03-29T03:51:22Z","cross_cats_sorted":["stat.ML"],"title_canon_sha256":"1caa92c7436dda1d757fcdf194ffeaf69588b5734dc0188607bbcc82309f88a9","abstract_canon_sha256":"6c710ee412a5af423357604986b50e9c2e0417e783bd45a37b544803bfadeac1"},"schema_version":"1.0"},"canonical_sha256":"78b8cd96540914ed4cdf61fb89bdff8b98f9b864e46f404153917729b8f8b7ec","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:49:54.291049Z","signature_b64":"BnPY7fZuZtQSGQROS+f/VCEUHrG/NPu18JE2k1oMY9SfjlLztoUl9bRzB+WZwKYSC+xJaI56NAbE4cTkjI2yBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"78b8cd96540914ed4cdf61fb89bdff8b98f9b864e46f404153917729b8f8b7ec","last_reissued_at":"2026-05-17T23:49:54.290570Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:49:54.290570Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1903.12347","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":"2026-05-17T23:49:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HkK3oWGUfOUBxBQCTxUj61zHwy9OcOz7+yK+pyH0g9Xu7ALJz+17P35i+7vm/Y4Sfi1rd+POkmAY3OP//vZ8AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T16:09:43.740528Z"},"content_sha256":"f0c332956c76765f8e44792e7c6336ec0e096684e12647e56cd783803c5f6a9e","schema_version":"1.0","event_id":"sha256:f0c332956c76765f8e44792e7c6336ec0e096684e12647e56cd783803c5f6a9e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:PC4M3FSUBEKO2TG7MH5YTPP7RO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Challenge of Predicting Meal-to-meal Blood Glucose Concentrations for Patients with Type I Diabetes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["stat.ML"],"primary_cat":"cs.LG","authors_text":"Edmond A. Ryan, Neil C. Borle, Russell Greiner","submitted_at":"2019-03-29T03:51:22Z","abstract_excerpt":"Patients with Type I Diabetes (T1D) must take insulin injections to prevent the serious long term effects of hyperglycemia - high blood glucose (BG). Patients must also be careful not to inject too much insulin because this could induce hypoglycemia (low BG), which can potentially be fatal. Patients therefore follow a \"regimen\" that determines how much insulin to inject at certain times. Current methods for managing this disease require adjusting the patient's regimen over time based on the disease's behavior (recorded in the patient's diabetes diary). If we can accurately predict a patient's "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.12347","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":"2026-05-17T23:49:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dNavuZC7eBRkkytXXMJg7HPwn+xu0qcITUZ0OEC8reUGbjKE53qPxhcV3dYyM2vuK5JvTpJLJfrG8ClY1bfCDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T16:09:43.741238Z"},"content_sha256":"587a8df97ebb784f23c803287e8194aa7f5ee52ab5d23bfd0705cc4d0d3bb5c5","schema_version":"1.0","event_id":"sha256:587a8df97ebb784f23c803287e8194aa7f5ee52ab5d23bfd0705cc4d0d3bb5c5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PC4M3FSUBEKO2TG7MH5YTPP7RO/bundle.json","state_url":"https://pith.science/pith/PC4M3FSUBEKO2TG7MH5YTPP7RO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PC4M3FSUBEKO2TG7MH5YTPP7RO/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":"2026-06-07T16:09:43Z","links":{"resolver":"https://pith.science/pith/PC4M3FSUBEKO2TG7MH5YTPP7RO","bundle":"https://pith.science/pith/PC4M3FSUBEKO2TG7MH5YTPP7RO/bundle.json","state":"https://pith.science/pith/PC4M3FSUBEKO2TG7MH5YTPP7RO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PC4M3FSUBEKO2TG7MH5YTPP7RO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:PC4M3FSUBEKO2TG7MH5YTPP7RO","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":"6c710ee412a5af423357604986b50e9c2e0417e783bd45a37b544803bfadeac1","cross_cats_sorted":["stat.ML"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2019-03-29T03:51:22Z","title_canon_sha256":"1caa92c7436dda1d757fcdf194ffeaf69588b5734dc0188607bbcc82309f88a9"},"schema_version":"1.0","source":{"id":"1903.12347","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.12347","created_at":"2026-05-17T23:49:54Z"},{"alias_kind":"arxiv_version","alias_value":"1903.12347v1","created_at":"2026-05-17T23:49:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.12347","created_at":"2026-05-17T23:49:54Z"},{"alias_kind":"pith_short_12","alias_value":"PC4M3FSUBEKO","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_16","alias_value":"PC4M3FSUBEKO2TG7","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_8","alias_value":"PC4M3FSU","created_at":"2026-05-18T12:33:24Z"}],"graph_snapshots":[{"event_id":"sha256:587a8df97ebb784f23c803287e8194aa7f5ee52ab5d23bfd0705cc4d0d3bb5c5","target":"graph","created_at":"2026-05-17T23:49:54Z","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":"Patients with Type I Diabetes (T1D) must take insulin injections to prevent the serious long term effects of hyperglycemia - high blood glucose (BG). Patients must also be careful not to inject too much insulin because this could induce hypoglycemia (low BG), which can potentially be fatal. Patients therefore follow a \"regimen\" that determines how much insulin to inject at certain times. Current methods for managing this disease require adjusting the patient's regimen over time based on the disease's behavior (recorded in the patient's diabetes diary). If we can accurately predict a patient's ","authors_text":"Edmond A. Ryan, Neil C. Borle, Russell Greiner","cross_cats":["stat.ML"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2019-03-29T03:51:22Z","title":"The Challenge of Predicting Meal-to-meal Blood Glucose Concentrations for Patients with Type I Diabetes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.12347","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:f0c332956c76765f8e44792e7c6336ec0e096684e12647e56cd783803c5f6a9e","target":"record","created_at":"2026-05-17T23:49:54Z","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":"6c710ee412a5af423357604986b50e9c2e0417e783bd45a37b544803bfadeac1","cross_cats_sorted":["stat.ML"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2019-03-29T03:51:22Z","title_canon_sha256":"1caa92c7436dda1d757fcdf194ffeaf69588b5734dc0188607bbcc82309f88a9"},"schema_version":"1.0","source":{"id":"1903.12347","kind":"arxiv","version":1}},"canonical_sha256":"78b8cd96540914ed4cdf61fb89bdff8b98f9b864e46f404153917729b8f8b7ec","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"78b8cd96540914ed4cdf61fb89bdff8b98f9b864e46f404153917729b8f8b7ec","first_computed_at":"2026-05-17T23:49:54.290570Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:49:54.290570Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BnPY7fZuZtQSGQROS+f/VCEUHrG/NPu18JE2k1oMY9SfjlLztoUl9bRzB+WZwKYSC+xJaI56NAbE4cTkjI2yBw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:49:54.291049Z","signed_message":"canonical_sha256_bytes"},"source_id":"1903.12347","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f0c332956c76765f8e44792e7c6336ec0e096684e12647e56cd783803c5f6a9e","sha256:587a8df97ebb784f23c803287e8194aa7f5ee52ab5d23bfd0705cc4d0d3bb5c5"],"state_sha256":"cca0a767490196e493b419d9e9f64177dc26400738e7464fa6ab780598f0c301"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EHEymVVbXNTUWlEAd5atZNq2V8OGLRxGRwc2itUEIqBnnhE3DEN91ekV5rOTmWqe8afSpnbX1VHGrFCZPaGIBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T16:09:43.744989Z","bundle_sha256":"358c3aca8c40435bbb3aebd9537d65f20a1be8c563ec9fdc0277acbeaf6bc1c3"}}