{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:HXHNZCJZIZDODXGCAJGTXHDGRM","short_pith_number":"pith:HXHNZCJZ","canonical_record":{"source":{"id":"1911.02073","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2019-11-05T20:25:25Z","cross_cats_sorted":["cs.LG","eess.AS"],"title_canon_sha256":"b676d2f77b921997daa54727fc5ca53fe5a76ef84060daebbff5d4a51c60c6a4","abstract_canon_sha256":"b6c089dc4ca28132ccca93d3bf4ae05f20e45f97a67f189f3d13575a919a7f40"},"schema_version":"1.0"},"canonical_sha256":"3dcedc89394646e1dcc2024d3b9c668b37a039bfcf3c5ae143179fa28e8d9167","source":{"kind":"arxiv","id":"1911.02073","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1911.02073","created_at":"2026-07-05T00:17:30Z"},{"alias_kind":"arxiv_version","alias_value":"1911.02073v1","created_at":"2026-07-05T00:17:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1911.02073","created_at":"2026-07-05T00:17:30Z"},{"alias_kind":"pith_short_12","alias_value":"HXHNZCJZIZDO","created_at":"2026-07-05T00:17:30Z"},{"alias_kind":"pith_short_16","alias_value":"HXHNZCJZIZDODXGC","created_at":"2026-07-05T00:17:30Z"},{"alias_kind":"pith_short_8","alias_value":"HXHNZCJZ","created_at":"2026-07-05T00:17:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:HXHNZCJZIZDODXGCAJGTXHDGRM","target":"record","payload":{"canonical_record":{"source":{"id":"1911.02073","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2019-11-05T20:25:25Z","cross_cats_sorted":["cs.LG","eess.AS"],"title_canon_sha256":"b676d2f77b921997daa54727fc5ca53fe5a76ef84060daebbff5d4a51c60c6a4","abstract_canon_sha256":"b6c089dc4ca28132ccca93d3bf4ae05f20e45f97a67f189f3d13575a919a7f40"},"schema_version":"1.0"},"canonical_sha256":"3dcedc89394646e1dcc2024d3b9c668b37a039bfcf3c5ae143179fa28e8d9167","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:17:30.575362Z","signature_b64":"CdIRs8jk4/GH3F9X4UgCWQWxTLsdXxYPsWsZeq3rAR7QcpzcjZu9GhfEhXnuj7Ui1xz8n3PwmngZMc0XgMEEAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3dcedc89394646e1dcc2024d3b9c668b37a039bfcf3c5ae143179fa28e8d9167","last_reissued_at":"2026-07-05T00:17:30.574966Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:17:30.574966Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1911.02073","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":"2026-07-05T00:17:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3Xo47Qqx3RnlhixLFQJzmoZ7yDBfbl1g3C0FTgDXHcCbZVBmOqjfLFnIYzilTOEqPeN4PsXZpL4Atsol2rFYDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T20:38:01.613536Z"},"content_sha256":"7d52b1ef4840c1f0c0d868a2a0bbb5ec86bc7479c95d2d34c818d4e66cb66329","schema_version":"1.0","event_id":"sha256:7d52b1ef4840c1f0c0d868a2a0bbb5ec86bc7479c95d2d34c818d4e66cb66329"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:HXHNZCJZIZDODXGCAJGTXHDGRM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"OtoMechanic: Auditory Automobile Diagnostics via Query-by-Example","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.LG","eess.AS"],"primary_cat":"cs.SD","authors_text":"Bryan Pardo, Max Morrison","submitted_at":"2019-11-05T20:25:25Z","abstract_excerpt":"Early detection and repair of failing components in automobiles reduces the risk of vehicle failure in life-threatening situations. Many automobile components in need of repair produce characteristic sounds. For example, loose drive belts emit a high-pitched squeaking sound, and bad starter motors have a characteristic whirring or clicking noise. Often drivers can tell that the sound of their car is not normal, but may not be able to identify the cause. To mitigate this knowledge gap, we have developed OtoMechanic, a web application to detect and diagnose vehicle component issues from their co"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1911.02073","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/1911.02073/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":"2026-07-05T00:17:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NBDSrfJkQl8ECkKnISSjnULJC+bmPCkkoj6CIcWJcOoeKTJeynDbkBGDrkuo4MPhDmVZ7R0wLk7CcbE6f58BCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T20:38:01.614614Z"},"content_sha256":"e6403f54dabee4bd6a4cf06d475a4dd181d476ba30c7917299d8dcc62ec011f7","schema_version":"1.0","event_id":"sha256:e6403f54dabee4bd6a4cf06d475a4dd181d476ba30c7917299d8dcc62ec011f7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HXHNZCJZIZDODXGCAJGTXHDGRM/bundle.json","state_url":"https://pith.science/pith/HXHNZCJZIZDODXGCAJGTXHDGRM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HXHNZCJZIZDODXGCAJGTXHDGRM/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":"2026-08-18T20:38:01Z","links":{"resolver":"https://pith.science/pith/HXHNZCJZIZDODXGCAJGTXHDGRM","bundle":"https://pith.science/pith/HXHNZCJZIZDODXGCAJGTXHDGRM/bundle.json","state":"https://pith.science/pith/HXHNZCJZIZDODXGCAJGTXHDGRM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HXHNZCJZIZDODXGCAJGTXHDGRM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:HXHNZCJZIZDODXGCAJGTXHDGRM","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":"b6c089dc4ca28132ccca93d3bf4ae05f20e45f97a67f189f3d13575a919a7f40","cross_cats_sorted":["cs.LG","eess.AS"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2019-11-05T20:25:25Z","title_canon_sha256":"b676d2f77b921997daa54727fc5ca53fe5a76ef84060daebbff5d4a51c60c6a4"},"schema_version":"1.0","source":{"id":"1911.02073","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1911.02073","created_at":"2026-07-05T00:17:30Z"},{"alias_kind":"arxiv_version","alias_value":"1911.02073v1","created_at":"2026-07-05T00:17:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1911.02073","created_at":"2026-07-05T00:17:30Z"},{"alias_kind":"pith_short_12","alias_value":"HXHNZCJZIZDO","created_at":"2026-07-05T00:17:30Z"},{"alias_kind":"pith_short_16","alias_value":"HXHNZCJZIZDODXGC","created_at":"2026-07-05T00:17:30Z"},{"alias_kind":"pith_short_8","alias_value":"HXHNZCJZ","created_at":"2026-07-05T00:17:30Z"}],"graph_snapshots":[{"event_id":"sha256:e6403f54dabee4bd6a4cf06d475a4dd181d476ba30c7917299d8dcc62ec011f7","target":"graph","created_at":"2026-07-05T00:17:30Z","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/1911.02073/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Early detection and repair of failing components in automobiles reduces the risk of vehicle failure in life-threatening situations. Many automobile components in need of repair produce characteristic sounds. For example, loose drive belts emit a high-pitched squeaking sound, and bad starter motors have a characteristic whirring or clicking noise. Often drivers can tell that the sound of their car is not normal, but may not be able to identify the cause. To mitigate this knowledge gap, we have developed OtoMechanic, a web application to detect and diagnose vehicle component issues from their co","authors_text":"Bryan Pardo, Max Morrison","cross_cats":["cs.LG","eess.AS"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2019-11-05T20:25:25Z","title":"OtoMechanic: Auditory Automobile Diagnostics via Query-by-Example"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1911.02073","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":"sha256:7d52b1ef4840c1f0c0d868a2a0bbb5ec86bc7479c95d2d34c818d4e66cb66329","target":"record","created_at":"2026-07-05T00:17:30Z","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":"b6c089dc4ca28132ccca93d3bf4ae05f20e45f97a67f189f3d13575a919a7f40","cross_cats_sorted":["cs.LG","eess.AS"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2019-11-05T20:25:25Z","title_canon_sha256":"b676d2f77b921997daa54727fc5ca53fe5a76ef84060daebbff5d4a51c60c6a4"},"schema_version":"1.0","source":{"id":"1911.02073","kind":"arxiv","version":1}},"canonical_sha256":"3dcedc89394646e1dcc2024d3b9c668b37a039bfcf3c5ae143179fa28e8d9167","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3dcedc89394646e1dcc2024d3b9c668b37a039bfcf3c5ae143179fa28e8d9167","first_computed_at":"2026-07-05T00:17:30.574966Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:17:30.574966Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CdIRs8jk4/GH3F9X4UgCWQWxTLsdXxYPsWsZeq3rAR7QcpzcjZu9GhfEhXnuj7Ui1xz8n3PwmngZMc0XgMEEAA==","signature_status":"signed_v1","signed_at":"2026-07-05T00:17:30.575362Z","signed_message":"canonical_sha256_bytes"},"source_id":"1911.02073","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7d52b1ef4840c1f0c0d868a2a0bbb5ec86bc7479c95d2d34c818d4e66cb66329","sha256:e6403f54dabee4bd6a4cf06d475a4dd181d476ba30c7917299d8dcc62ec011f7"],"state_sha256":"5f59134765f970a71632dbf2b5050a2882b822fce3d89a8f73fb055b15b3fa52"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/+QgWSS2+KlbwXAu+N3roYqRT8A6AZatDMkOm7hOVo6Lk5LNsm4JCTNGrmumglmJNbZMTAkUWatrxum/NFtLCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T20:38:01.619881Z","bundle_sha256":"efad7ce01b838c339abaa452876fff861d71a89812764069f993b3f2c01c2371"}}