{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:4R2UKON65E34WW745QORX47RJK","short_pith_number":"pith:4R2UKON6","canonical_record":{"source":{"id":"1712.07968","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2017-12-19T12:30:14Z","cross_cats_sorted":["physics.data-an","stat.AP"],"title_canon_sha256":"630a387d9ecdd8367cd26caf630add74da96be60b9e56cb4566e389f250e1748","abstract_canon_sha256":"df959f42b1384f1e5ab595ed549c68e9f6f496b92c8eb532d477c4a8194fd9ec"},"schema_version":"1.0"},"canonical_sha256":"e4754539bee937cb5bfcec1d1bf3f14aad5abe00986be4ad066cb95a7a2e4d22","source":{"kind":"arxiv","id":"1712.07968","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.07968","created_at":"2026-05-18T00:08:10Z"},{"alias_kind":"arxiv_version","alias_value":"1712.07968v2","created_at":"2026-05-18T00:08:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.07968","created_at":"2026-05-18T00:08:10Z"},{"alias_kind":"pith_short_12","alias_value":"4R2UKON65E34","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_16","alias_value":"4R2UKON65E34WW74","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_8","alias_value":"4R2UKON6","created_at":"2026-05-18T12:31:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:4R2UKON65E34WW745QORX47RJK","target":"record","payload":{"canonical_record":{"source":{"id":"1712.07968","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2017-12-19T12:30:14Z","cross_cats_sorted":["physics.data-an","stat.AP"],"title_canon_sha256":"630a387d9ecdd8367cd26caf630add74da96be60b9e56cb4566e389f250e1748","abstract_canon_sha256":"df959f42b1384f1e5ab595ed549c68e9f6f496b92c8eb532d477c4a8194fd9ec"},"schema_version":"1.0"},"canonical_sha256":"e4754539bee937cb5bfcec1d1bf3f14aad5abe00986be4ad066cb95a7a2e4d22","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:08:10.741596Z","signature_b64":"0m9D6trZvCjNoPvHSqSccF0WdBZn2GZMFnqMBzau4QBhkua+2MqKaX9sW3JTw+Q9G+hYQAyrd1+k1tjGjfWsDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e4754539bee937cb5bfcec1d1bf3f14aad5abe00986be4ad066cb95a7a2e4d22","last_reissued_at":"2026-05-18T00:08:10.740976Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:08:10.740976Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1712.07968","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:08:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ujRlUsL8yx6Um2huiwYlFFFGglSqpMT7wcfvaJpGu+c6DKwRntx+fm6t/ZfMG3b6dYCzckkOmwHliB5uTa8uDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T22:23:21.544153Z"},"content_sha256":"7fa3b34d2dfaf6bec8a0c4aad7fc404898852b6edbc0f26ba560c74e3d939f4f","schema_version":"1.0","event_id":"sha256:7fa3b34d2dfaf6bec8a0c4aad7fc404898852b6edbc0f26ba560c74e3d939f4f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:4R2UKON65E34WW745QORX47RJK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Analyzing transient-evoked otoacoustic emissions by concentration of frequency and time","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.data-an","stat.AP"],"primary_cat":"eess.SP","authors_text":"Hau-Tieng Wu, Yi-Wen Liu","submitted_at":"2017-12-19T12:30:14Z","abstract_excerpt":"The linear part of transient evoked (TE) otoacoustic emission (OAE) is thought to be generated via coherent reflection near the characteristic place of constituent wave components. Because of the tonotopic organization of the cochlea, high frequency emissions return earlier than low frequencies; however, due to the random nature of coherent reflection, the instantaneous frequency (IF) and amplitude envelope of TEOAEs both fluctuate. Multiple reflection components and synchronized spontaneous emissions can further make it difficult to extract the IF by linear transforms. In this paper, we propo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.07968","kind":"arxiv","version":2},"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":"2026-05-18T00:08:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OOTo40nZoSyNpinphMpW2Gg1pGLk/eB4+miJ4q2asnSWNR0x9ARPt+ccKndgl/Fe7Gj10eAW72RNUeAPF2HNBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T22:23:21.544793Z"},"content_sha256":"9ec17d6a88f3c166db0a1231286ebb25e2183ef144030e58f842fc6faa20f7da","schema_version":"1.0","event_id":"sha256:9ec17d6a88f3c166db0a1231286ebb25e2183ef144030e58f842fc6faa20f7da"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4R2UKON65E34WW745QORX47RJK/bundle.json","state_url":"https://pith.science/pith/4R2UKON65E34WW745QORX47RJK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4R2UKON65E34WW745QORX47RJK/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":"2026-05-24T22:23:21Z","links":{"resolver":"https://pith.science/pith/4R2UKON65E34WW745QORX47RJK","bundle":"https://pith.science/pith/4R2UKON65E34WW745QORX47RJK/bundle.json","state":"https://pith.science/pith/4R2UKON65E34WW745QORX47RJK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4R2UKON65E34WW745QORX47RJK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:4R2UKON65E34WW745QORX47RJK","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":"df959f42b1384f1e5ab595ed549c68e9f6f496b92c8eb532d477c4a8194fd9ec","cross_cats_sorted":["physics.data-an","stat.AP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2017-12-19T12:30:14Z","title_canon_sha256":"630a387d9ecdd8367cd26caf630add74da96be60b9e56cb4566e389f250e1748"},"schema_version":"1.0","source":{"id":"1712.07968","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.07968","created_at":"2026-05-18T00:08:10Z"},{"alias_kind":"arxiv_version","alias_value":"1712.07968v2","created_at":"2026-05-18T00:08:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.07968","created_at":"2026-05-18T00:08:10Z"},{"alias_kind":"pith_short_12","alias_value":"4R2UKON65E34","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_16","alias_value":"4R2UKON65E34WW74","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_8","alias_value":"4R2UKON6","created_at":"2026-05-18T12:31:00Z"}],"graph_snapshots":[{"event_id":"sha256:9ec17d6a88f3c166db0a1231286ebb25e2183ef144030e58f842fc6faa20f7da","target":"graph","created_at":"2026-05-18T00:08:10Z","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 linear part of transient evoked (TE) otoacoustic emission (OAE) is thought to be generated via coherent reflection near the characteristic place of constituent wave components. Because of the tonotopic organization of the cochlea, high frequency emissions return earlier than low frequencies; however, due to the random nature of coherent reflection, the instantaneous frequency (IF) and amplitude envelope of TEOAEs both fluctuate. Multiple reflection components and synchronized spontaneous emissions can further make it difficult to extract the IF by linear transforms. In this paper, we propo","authors_text":"Hau-Tieng Wu, Yi-Wen Liu","cross_cats":["physics.data-an","stat.AP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2017-12-19T12:30:14Z","title":"Analyzing transient-evoked otoacoustic emissions by concentration of frequency and time"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.07968","kind":"arxiv","version":2},"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":"sha256:7fa3b34d2dfaf6bec8a0c4aad7fc404898852b6edbc0f26ba560c74e3d939f4f","target":"record","created_at":"2026-05-18T00:08:10Z","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":"df959f42b1384f1e5ab595ed549c68e9f6f496b92c8eb532d477c4a8194fd9ec","cross_cats_sorted":["physics.data-an","stat.AP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2017-12-19T12:30:14Z","title_canon_sha256":"630a387d9ecdd8367cd26caf630add74da96be60b9e56cb4566e389f250e1748"},"schema_version":"1.0","source":{"id":"1712.07968","kind":"arxiv","version":2}},"canonical_sha256":"e4754539bee937cb5bfcec1d1bf3f14aad5abe00986be4ad066cb95a7a2e4d22","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e4754539bee937cb5bfcec1d1bf3f14aad5abe00986be4ad066cb95a7a2e4d22","first_computed_at":"2026-05-18T00:08:10.740976Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:08:10.740976Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0m9D6trZvCjNoPvHSqSccF0WdBZn2GZMFnqMBzau4QBhkua+2MqKaX9sW3JTw+Q9G+hYQAyrd1+k1tjGjfWsDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:08:10.741596Z","signed_message":"canonical_sha256_bytes"},"source_id":"1712.07968","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7fa3b34d2dfaf6bec8a0c4aad7fc404898852b6edbc0f26ba560c74e3d939f4f","sha256:9ec17d6a88f3c166db0a1231286ebb25e2183ef144030e58f842fc6faa20f7da"],"state_sha256":"4ff26346d283987fa8128791c9b3f96e489c950cee94e7d810be99fdb245ac43"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i8qQXfOAsgPG5lqjzhDz9W7wk+3CS+QYG+nayqYKsAP/0g2VJr85hv1N1IMdFRTZlvxFP1jZUwbpJQJ3Qa92Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T22:23:21.548916Z","bundle_sha256":"e4e3df382d75d46bd167a4788775862f0670f0b4e51540e4d57360221a142500"}}