{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:45YGZHLMREFMX5NC7KUNZHDMME","short_pith_number":"pith:45YGZHLM","canonical_record":{"source":{"id":"2205.15018","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2022-05-27T07:01:25Z","cross_cats_sorted":["eess.SP"],"title_canon_sha256":"952bb5e432a7dedd4b124551eefda183f3e765157287927eb57a36ec84234d8e","abstract_canon_sha256":"8aee6b4e85a6eb65ec6a29a53efe257b8dc2afbd30d511694f8654575978a03c"},"schema_version":"1.0"},"canonical_sha256":"e7706c9d6c890acbf5a2faa8dc9c6c610bc4e078e6f5fc5f7f4684671bfc1579","source":{"kind":"arxiv","id":"2205.15018","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2205.15018","created_at":"2026-07-05T04:31:40Z"},{"alias_kind":"arxiv_version","alias_value":"2205.15018v1","created_at":"2026-07-05T04:31:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.15018","created_at":"2026-07-05T04:31:40Z"},{"alias_kind":"pith_short_12","alias_value":"45YGZHLMREFM","created_at":"2026-07-05T04:31:40Z"},{"alias_kind":"pith_short_16","alias_value":"45YGZHLMREFMX5NC","created_at":"2026-07-05T04:31:40Z"},{"alias_kind":"pith_short_8","alias_value":"45YGZHLM","created_at":"2026-07-05T04:31:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:45YGZHLMREFMX5NC7KUNZHDMME","target":"record","payload":{"canonical_record":{"source":{"id":"2205.15018","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2022-05-27T07:01:25Z","cross_cats_sorted":["eess.SP"],"title_canon_sha256":"952bb5e432a7dedd4b124551eefda183f3e765157287927eb57a36ec84234d8e","abstract_canon_sha256":"8aee6b4e85a6eb65ec6a29a53efe257b8dc2afbd30d511694f8654575978a03c"},"schema_version":"1.0"},"canonical_sha256":"e7706c9d6c890acbf5a2faa8dc9c6c610bc4e078e6f5fc5f7f4684671bfc1579","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:31:40.445591Z","signature_b64":"d5mp37r1t9YXS0/eG0kx5/+qZZDUEveXEn7kzpUofK0SvoH5wR8wiq4nsU0qByBSPb58RthlkoS6kW7BrnnVDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e7706c9d6c890acbf5a2faa8dc9c6c610bc4e078e6f5fc5f7f4684671bfc1579","last_reissued_at":"2026-07-05T04:31:40.445179Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:31:40.445179Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2205.15018","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":"2026-07-05T04:31:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PWxtqLa/wOaipVltV1yJY+RaSWxHB4dM5NHW1jG7Jp3hzue5lLhx7hKXy5T04MAGOWMMLtrVOaH+A2HWfyPqCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T22:59:04.949217Z"},"content_sha256":"1d0aefa2e676efdfc442b15091277efd9748d788a910c349bf88c8f106f93a26","schema_version":"1.0","event_id":"sha256:1d0aefa2e676efdfc442b15091277efd9748d788a910c349bf88c8f106f93a26"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:45YGZHLMREFMX5NC7KUNZHDMME","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A reconfigurable integrated electronic tongue and its use in accelerated analysis of juices and wines","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["eess.SP"],"primary_cat":"cs.LG","authors_text":"Gianmarco Gabrieli, Michal Muszynski, Patrick W. Ruch","submitted_at":"2022-05-27T07:01:25Z","abstract_excerpt":"Potentiometric electronic tongues (ETs) leveraging trends in miniaturization and internet of things (IoT) bear promise for facile mobile chemical analysis of complex multicomponent liquids, such as beverages. In this work, hand-crafted feature extraction from the transient potentiometric response of an array of low-selective miniaturized polymeric sensors is combined with a data pipeline for deployment of trained machine learning models on a cloud back-end or edge device. The sensor array demonstrated sensitivity to different organic acids and exhibited interesting performance for the fingerpr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.15018","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2205.15018/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T04:31:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ID6m7VQrheJKq4wGTe4angE75P7f9K6FoTFONuhvaCZYcu7+fkfWgbSNYOtGpHc3Mhb3BIa6PQzMdCMC6fsiAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T22:59:04.950131Z"},"content_sha256":"52f9c86a099dcbcef0b80c8ab0bc2ec7b82bd4903a9049261b938bf014f53665","schema_version":"1.0","event_id":"sha256:52f9c86a099dcbcef0b80c8ab0bc2ec7b82bd4903a9049261b938bf014f53665"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/45YGZHLMREFMX5NC7KUNZHDMME/bundle.json","state_url":"https://pith.science/pith/45YGZHLMREFMX5NC7KUNZHDMME/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/45YGZHLMREFMX5NC7KUNZHDMME/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":"2026-08-06T22:59:04Z","links":{"resolver":"https://pith.science/pith/45YGZHLMREFMX5NC7KUNZHDMME","bundle":"https://pith.science/pith/45YGZHLMREFMX5NC7KUNZHDMME/bundle.json","state":"https://pith.science/pith/45YGZHLMREFMX5NC7KUNZHDMME/state.json","well_known_bundle":"https://pith.science/.well-known/pith/45YGZHLMREFMX5NC7KUNZHDMME/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:45YGZHLMREFMX5NC7KUNZHDMME","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":"8aee6b4e85a6eb65ec6a29a53efe257b8dc2afbd30d511694f8654575978a03c","cross_cats_sorted":["eess.SP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2022-05-27T07:01:25Z","title_canon_sha256":"952bb5e432a7dedd4b124551eefda183f3e765157287927eb57a36ec84234d8e"},"schema_version":"1.0","source":{"id":"2205.15018","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2205.15018","created_at":"2026-07-05T04:31:40Z"},{"alias_kind":"arxiv_version","alias_value":"2205.15018v1","created_at":"2026-07-05T04:31:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.15018","created_at":"2026-07-05T04:31:40Z"},{"alias_kind":"pith_short_12","alias_value":"45YGZHLMREFM","created_at":"2026-07-05T04:31:40Z"},{"alias_kind":"pith_short_16","alias_value":"45YGZHLMREFMX5NC","created_at":"2026-07-05T04:31:40Z"},{"alias_kind":"pith_short_8","alias_value":"45YGZHLM","created_at":"2026-07-05T04:31:40Z"}],"graph_snapshots":[{"event_id":"sha256:52f9c86a099dcbcef0b80c8ab0bc2ec7b82bd4903a9049261b938bf014f53665","target":"graph","created_at":"2026-07-05T04:31:40Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2205.15018/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Potentiometric electronic tongues (ETs) leveraging trends in miniaturization and internet of things (IoT) bear promise for facile mobile chemical analysis of complex multicomponent liquids, such as beverages. In this work, hand-crafted feature extraction from the transient potentiometric response of an array of low-selective miniaturized polymeric sensors is combined with a data pipeline for deployment of trained machine learning models on a cloud back-end or edge device. The sensor array demonstrated sensitivity to different organic acids and exhibited interesting performance for the fingerpr","authors_text":"Gianmarco Gabrieli, Michal Muszynski, Patrick W. Ruch","cross_cats":["eess.SP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2022-05-27T07:01:25Z","title":"A reconfigurable integrated electronic tongue and its use in accelerated analysis of juices and wines"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.15018","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":"sha256:1d0aefa2e676efdfc442b15091277efd9748d788a910c349bf88c8f106f93a26","target":"record","created_at":"2026-07-05T04:31:40Z","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":"8aee6b4e85a6eb65ec6a29a53efe257b8dc2afbd30d511694f8654575978a03c","cross_cats_sorted":["eess.SP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2022-05-27T07:01:25Z","title_canon_sha256":"952bb5e432a7dedd4b124551eefda183f3e765157287927eb57a36ec84234d8e"},"schema_version":"1.0","source":{"id":"2205.15018","kind":"arxiv","version":1}},"canonical_sha256":"e7706c9d6c890acbf5a2faa8dc9c6c610bc4e078e6f5fc5f7f4684671bfc1579","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e7706c9d6c890acbf5a2faa8dc9c6c610bc4e078e6f5fc5f7f4684671bfc1579","first_computed_at":"2026-07-05T04:31:40.445179Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:31:40.445179Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"d5mp37r1t9YXS0/eG0kx5/+qZZDUEveXEn7kzpUofK0SvoH5wR8wiq4nsU0qByBSPb58RthlkoS6kW7BrnnVDA==","signature_status":"signed_v1","signed_at":"2026-07-05T04:31:40.445591Z","signed_message":"canonical_sha256_bytes"},"source_id":"2205.15018","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1d0aefa2e676efdfc442b15091277efd9748d788a910c349bf88c8f106f93a26","sha256:52f9c86a099dcbcef0b80c8ab0bc2ec7b82bd4903a9049261b938bf014f53665"],"state_sha256":"fa49d6c67a61fb78f3b123e363c4ab7039aefb14328be49ec2b6bd7ccfbab56c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ULWQX6eOpdpQs9szzxHPycN5XU9QuKp40GtuibmweLtYuT2OlBUDrpVnwafJPq2kJC1A3WUCssVpkEIxBswUCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T22:59:04.956107Z","bundle_sha256":"4229f6e5714bb8d2a0cdd46e71186b7d85357959de8eaca383c6251db1309ffe"}}