{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:VBUW7IHU3ROA4Q6ECIWXMS7EQK","short_pith_number":"pith:VBUW7IHU","canonical_record":{"source":{"id":"1609.03330","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2016-09-12T10:02:30Z","cross_cats_sorted":[],"title_canon_sha256":"c067f472866b79a6b8a72c88ce61fa7b7f4a1eb5426a704f55454de4189cdf7c","abstract_canon_sha256":"5b98fd668f18d1729a1f77cf79cf2bdfc32c0faa2fef1b878d4058e97611ddeb"},"schema_version":"1.0"},"canonical_sha256":"a8696fa0f4dc5c0e43c4122d764be482a47d831f898600acb9be303caaff46fb","source":{"kind":"arxiv","id":"1609.03330","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.03330","created_at":"2026-05-18T01:04:42Z"},{"alias_kind":"arxiv_version","alias_value":"1609.03330v2","created_at":"2026-05-18T01:04:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.03330","created_at":"2026-05-18T01:04:42Z"},{"alias_kind":"pith_short_12","alias_value":"VBUW7IHU3ROA","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_16","alias_value":"VBUW7IHU3ROA4Q6E","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_8","alias_value":"VBUW7IHU","created_at":"2026-05-18T12:30:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:VBUW7IHU3ROA4Q6ECIWXMS7EQK","target":"record","payload":{"canonical_record":{"source":{"id":"1609.03330","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2016-09-12T10:02:30Z","cross_cats_sorted":[],"title_canon_sha256":"c067f472866b79a6b8a72c88ce61fa7b7f4a1eb5426a704f55454de4189cdf7c","abstract_canon_sha256":"5b98fd668f18d1729a1f77cf79cf2bdfc32c0faa2fef1b878d4058e97611ddeb"},"schema_version":"1.0"},"canonical_sha256":"a8696fa0f4dc5c0e43c4122d764be482a47d831f898600acb9be303caaff46fb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:04:42.811961Z","signature_b64":"DmBnvJ2u2701hiC0hJQ8npIgHa9ErfJKBMsuMk4vQfyDaAJUBCzAzzPlj9DXgRmV41GC2oJtWTvD/JD/sDPEAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a8696fa0f4dc5c0e43c4122d764be482a47d831f898600acb9be303caaff46fb","last_reissued_at":"2026-05-18T01:04:42.811523Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:04:42.811523Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1609.03330","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":"2026-05-18T01:04:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PPAnTHmywTVXYjNYd2beKJrCVowjQiAlIm7XwaXzOIPCFrPZRZNlyerfBBXy90P6xi1l2wbRL/xzOgsSgp6ZAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-21T22:32:54.035334Z"},"content_sha256":"19178f74b0999a11bb92b929261ccbaeccdcfae3746d7b83e187ccf0dd326721","schema_version":"1.0","event_id":"sha256:19178f74b0999a11bb92b929261ccbaeccdcfae3746d7b83e187ccf0dd326721"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:VBUW7IHU3ROA4Q6ECIWXMS7EQK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hearables: Multimodal physiological in-ear sensing","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.med-ph","authors_text":"Christos Papavassiliou, Danilo P Mandic, David J Sharp, David Looney, Mary J Morrell, Takashi Nakamura, Valentin Goverdovsky, Wilhelm von Rosenberg","submitted_at":"2016-09-12T10:02:30Z","abstract_excerpt":"Future health systems require the means to assess and track the neural and physiological function of a user over long periods of time and in the community. Human body responses are manifested through multiple modalities, such as the mechanical, electrical and chemical; yet current physiological monitors (actigraphy, heart rate) largely lack in both the desired cross-modal and non-stigmatizing aspects. We address these challenges through an inconspicuous and comfortable earpiece, equipped with miniature multimodal sensors, which benefits from the relatively stable position of the ear canal with"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.03330","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":"2026-05-18T01:04:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4zGS68nUnel+4krpdazEoUzLcx3LRbc532LN/Jo4cVph678ywFR9fBY/T0i6W2jgHLQVOEadvJLuPY8F1yRMBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-21T22:32:54.035676Z"},"content_sha256":"7334403886f1ab5c6b249349d227d9f8a4901ce425a28e9c040dc4f3a744ae3c","schema_version":"1.0","event_id":"sha256:7334403886f1ab5c6b249349d227d9f8a4901ce425a28e9c040dc4f3a744ae3c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VBUW7IHU3ROA4Q6ECIWXMS7EQK/bundle.json","state_url":"https://pith.science/pith/VBUW7IHU3ROA4Q6ECIWXMS7EQK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VBUW7IHU3ROA4Q6ECIWXMS7EQK/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":"2026-06-21T22:32:54Z","links":{"resolver":"https://pith.science/pith/VBUW7IHU3ROA4Q6ECIWXMS7EQK","bundle":"https://pith.science/pith/VBUW7IHU3ROA4Q6ECIWXMS7EQK/bundle.json","state":"https://pith.science/pith/VBUW7IHU3ROA4Q6ECIWXMS7EQK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VBUW7IHU3ROA4Q6ECIWXMS7EQK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:VBUW7IHU3ROA4Q6ECIWXMS7EQK","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":"5b98fd668f18d1729a1f77cf79cf2bdfc32c0faa2fef1b878d4058e97611ddeb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2016-09-12T10:02:30Z","title_canon_sha256":"c067f472866b79a6b8a72c88ce61fa7b7f4a1eb5426a704f55454de4189cdf7c"},"schema_version":"1.0","source":{"id":"1609.03330","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.03330","created_at":"2026-05-18T01:04:42Z"},{"alias_kind":"arxiv_version","alias_value":"1609.03330v2","created_at":"2026-05-18T01:04:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.03330","created_at":"2026-05-18T01:04:42Z"},{"alias_kind":"pith_short_12","alias_value":"VBUW7IHU3ROA","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_16","alias_value":"VBUW7IHU3ROA4Q6E","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_8","alias_value":"VBUW7IHU","created_at":"2026-05-18T12:30:48Z"}],"graph_snapshots":[{"event_id":"sha256:7334403886f1ab5c6b249349d227d9f8a4901ce425a28e9c040dc4f3a744ae3c","target":"graph","created_at":"2026-05-18T01:04:42Z","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":"Future health systems require the means to assess and track the neural and physiological function of a user over long periods of time and in the community. Human body responses are manifested through multiple modalities, such as the mechanical, electrical and chemical; yet current physiological monitors (actigraphy, heart rate) largely lack in both the desired cross-modal and non-stigmatizing aspects. We address these challenges through an inconspicuous and comfortable earpiece, equipped with miniature multimodal sensors, which benefits from the relatively stable position of the ear canal with","authors_text":"Christos Papavassiliou, Danilo P Mandic, David J Sharp, David Looney, Mary J Morrell, Takashi Nakamura, Valentin Goverdovsky, Wilhelm von Rosenberg","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2016-09-12T10:02:30Z","title":"Hearables: Multimodal physiological in-ear sensing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.03330","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":"sha256:19178f74b0999a11bb92b929261ccbaeccdcfae3746d7b83e187ccf0dd326721","target":"record","created_at":"2026-05-18T01:04:42Z","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":"5b98fd668f18d1729a1f77cf79cf2bdfc32c0faa2fef1b878d4058e97611ddeb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2016-09-12T10:02:30Z","title_canon_sha256":"c067f472866b79a6b8a72c88ce61fa7b7f4a1eb5426a704f55454de4189cdf7c"},"schema_version":"1.0","source":{"id":"1609.03330","kind":"arxiv","version":2}},"canonical_sha256":"a8696fa0f4dc5c0e43c4122d764be482a47d831f898600acb9be303caaff46fb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a8696fa0f4dc5c0e43c4122d764be482a47d831f898600acb9be303caaff46fb","first_computed_at":"2026-05-18T01:04:42.811523Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:04:42.811523Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DmBnvJ2u2701hiC0hJQ8npIgHa9ErfJKBMsuMk4vQfyDaAJUBCzAzzPlj9DXgRmV41GC2oJtWTvD/JD/sDPEAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:04:42.811961Z","signed_message":"canonical_sha256_bytes"},"source_id":"1609.03330","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:19178f74b0999a11bb92b929261ccbaeccdcfae3746d7b83e187ccf0dd326721","sha256:7334403886f1ab5c6b249349d227d9f8a4901ce425a28e9c040dc4f3a744ae3c"],"state_sha256":"f41b7ce7c81b7a02195699a7ce54424313f1126723fa077f3ceb4732a417d49d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"d1SVIMurbrpKhTyf4SUnzeGZWwEg8g8+MmmlrVeTJ4eO586l7olV2R9brAPkoQya9mtE4APEilcuzQdGkbPFCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-21T22:32:54.037639Z","bundle_sha256":"183de1b470cff0c5e28ee624ce3b2f3629df19e5c212fb472d2645a3fb45f03b"}}