{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:BCSSK3ATTDKRKRQM64CFQOSI26","short_pith_number":"pith:BCSSK3AT","canonical_record":{"source":{"id":"2503.12762","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.HC","submitted_at":"2025-03-17T02:54:34Z","cross_cats_sorted":[],"title_canon_sha256":"88658d07acc79ec791d0e23d83101b659b1e3ad5e9d6d9b1d7e33aecc0dd521a","abstract_canon_sha256":"a2af2454b6630b8feabf4972f887d375e56b17a24fda49c11f5df937926ff976"},"schema_version":"1.0"},"canonical_sha256":"08a5256c1398d515460cf704583a48d7bcfc4cd252d8f715d5bd0de6458486c3","source":{"kind":"arxiv","id":"2503.12762","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2503.12762","created_at":"2026-07-05T10:32:45Z"},{"alias_kind":"arxiv_version","alias_value":"2503.12762v1","created_at":"2026-07-05T10:32:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.12762","created_at":"2026-07-05T10:32:45Z"},{"alias_kind":"pith_short_12","alias_value":"BCSSK3ATTDKR","created_at":"2026-07-05T10:32:45Z"},{"alias_kind":"pith_short_16","alias_value":"BCSSK3ATTDKRKRQM","created_at":"2026-07-05T10:32:45Z"},{"alias_kind":"pith_short_8","alias_value":"BCSSK3AT","created_at":"2026-07-05T10:32:45Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:BCSSK3ATTDKRKRQM64CFQOSI26","target":"record","payload":{"canonical_record":{"source":{"id":"2503.12762","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.HC","submitted_at":"2025-03-17T02:54:34Z","cross_cats_sorted":[],"title_canon_sha256":"88658d07acc79ec791d0e23d83101b659b1e3ad5e9d6d9b1d7e33aecc0dd521a","abstract_canon_sha256":"a2af2454b6630b8feabf4972f887d375e56b17a24fda49c11f5df937926ff976"},"schema_version":"1.0"},"canonical_sha256":"08a5256c1398d515460cf704583a48d7bcfc4cd252d8f715d5bd0de6458486c3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:32:45.694667Z","signature_b64":"t9dkeTJCFAmvF0Z2hL02atb9cVGUcQqHxSPpsQv5pe8hSJPLU3FH6pfE8quOXfq0lvwtPfDeUUERuPe7MLF9BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"08a5256c1398d515460cf704583a48d7bcfc4cd252d8f715d5bd0de6458486c3","last_reissued_at":"2026-07-05T10:32:45.693999Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:32:45.693999Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2503.12762","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":"2026-07-05T10:32:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eEI2OXzg4+2JLnGKjS7+OFgZejReFnm8GolnD13WtZZ/MLMzS5wIc1telZpAURaqkphdLx5YH5vtw6yEmdiUAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T05:59:47.034391Z"},"content_sha256":"29749bb79ab93ee1ed4ce5ab0d490b9c0b75269e9973e85ce98b62428ba282cb","schema_version":"1.0","event_id":"sha256:29749bb79ab93ee1ed4ce5ab0d490b9c0b75269e9973e85ce98b62428ba282cb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:BCSSK3ATTDKRKRQM64CFQOSI26","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"NeckCheck: Predicting Neck Strain using Head Tracker Sensors","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.HC","authors_text":"Alan Seefeldt, Bhawana Chhaglani","submitted_at":"2025-03-17T02:54:34Z","abstract_excerpt":"Tech neck, a growing musculoskeletal concern caused by prolonged poor posture during device use, has significant health implications. This study investigates the relationship between head posture and muscular activity in the upper trapezius muscle to predict muscle strain by leveraging data from EMG sensors and head trackers. We train a regression model to predict EMG envelope readings using head movement data. We conduct preliminary experiments involving various postures to explore the correlation between these modalities and assess the feasibility of predicting muscle strain using head worn "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.12762","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/2503.12762/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":"2026-07-05T10:32:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zL+/950Uu5Knk8OnSiMDN4iXntTgarQnrZyC6sABsv3TEI2HuEFfFM6rpF7IpGBFKVg5VeEfhjVhsEBWQZg5Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T05:59:47.034774Z"},"content_sha256":"e8ac983f6a684e29e6a2e9e45dd207acc63562dd19a67283eff8b91861e8b71b","schema_version":"1.0","event_id":"sha256:e8ac983f6a684e29e6a2e9e45dd207acc63562dd19a67283eff8b91861e8b71b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BCSSK3ATTDKRKRQM64CFQOSI26/bundle.json","state_url":"https://pith.science/pith/BCSSK3ATTDKRKRQM64CFQOSI26/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BCSSK3ATTDKRKRQM64CFQOSI26/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":"2026-07-09T05:59:47Z","links":{"resolver":"https://pith.science/pith/BCSSK3ATTDKRKRQM64CFQOSI26","bundle":"https://pith.science/pith/BCSSK3ATTDKRKRQM64CFQOSI26/bundle.json","state":"https://pith.science/pith/BCSSK3ATTDKRKRQM64CFQOSI26/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BCSSK3ATTDKRKRQM64CFQOSI26/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:BCSSK3ATTDKRKRQM64CFQOSI26","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":"a2af2454b6630b8feabf4972f887d375e56b17a24fda49c11f5df937926ff976","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.HC","submitted_at":"2025-03-17T02:54:34Z","title_canon_sha256":"88658d07acc79ec791d0e23d83101b659b1e3ad5e9d6d9b1d7e33aecc0dd521a"},"schema_version":"1.0","source":{"id":"2503.12762","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2503.12762","created_at":"2026-07-05T10:32:45Z"},{"alias_kind":"arxiv_version","alias_value":"2503.12762v1","created_at":"2026-07-05T10:32:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.12762","created_at":"2026-07-05T10:32:45Z"},{"alias_kind":"pith_short_12","alias_value":"BCSSK3ATTDKR","created_at":"2026-07-05T10:32:45Z"},{"alias_kind":"pith_short_16","alias_value":"BCSSK3ATTDKRKRQM","created_at":"2026-07-05T10:32:45Z"},{"alias_kind":"pith_short_8","alias_value":"BCSSK3AT","created_at":"2026-07-05T10:32:45Z"}],"graph_snapshots":[{"event_id":"sha256:e8ac983f6a684e29e6a2e9e45dd207acc63562dd19a67283eff8b91861e8b71b","target":"graph","created_at":"2026-07-05T10:32:45Z","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/2503.12762/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Tech neck, a growing musculoskeletal concern caused by prolonged poor posture during device use, has significant health implications. This study investigates the relationship between head posture and muscular activity in the upper trapezius muscle to predict muscle strain by leveraging data from EMG sensors and head trackers. We train a regression model to predict EMG envelope readings using head movement data. We conduct preliminary experiments involving various postures to explore the correlation between these modalities and assess the feasibility of predicting muscle strain using head worn ","authors_text":"Alan Seefeldt, Bhawana Chhaglani","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.HC","submitted_at":"2025-03-17T02:54:34Z","title":"NeckCheck: Predicting Neck Strain using Head Tracker Sensors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.12762","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":"sha256:29749bb79ab93ee1ed4ce5ab0d490b9c0b75269e9973e85ce98b62428ba282cb","target":"record","created_at":"2026-07-05T10:32:45Z","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":"a2af2454b6630b8feabf4972f887d375e56b17a24fda49c11f5df937926ff976","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.HC","submitted_at":"2025-03-17T02:54:34Z","title_canon_sha256":"88658d07acc79ec791d0e23d83101b659b1e3ad5e9d6d9b1d7e33aecc0dd521a"},"schema_version":"1.0","source":{"id":"2503.12762","kind":"arxiv","version":1}},"canonical_sha256":"08a5256c1398d515460cf704583a48d7bcfc4cd252d8f715d5bd0de6458486c3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"08a5256c1398d515460cf704583a48d7bcfc4cd252d8f715d5bd0de6458486c3","first_computed_at":"2026-07-05T10:32:45.693999Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:32:45.693999Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"t9dkeTJCFAmvF0Z2hL02atb9cVGUcQqHxSPpsQv5pe8hSJPLU3FH6pfE8quOXfq0lvwtPfDeUUERuPe7MLF9BA==","signature_status":"signed_v1","signed_at":"2026-07-05T10:32:45.694667Z","signed_message":"canonical_sha256_bytes"},"source_id":"2503.12762","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:29749bb79ab93ee1ed4ce5ab0d490b9c0b75269e9973e85ce98b62428ba282cb","sha256:e8ac983f6a684e29e6a2e9e45dd207acc63562dd19a67283eff8b91861e8b71b"],"state_sha256":"da458363eb45501f854d8b409d3ce31ca57329e2436ae20ab3bfbabcc3743add"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"A6XgpdSK8Ev0+V2P2HaKi2w3MpgSdtRYhR41PwmbVYHD03dn8T6vRZOTIOnIv6TztlpxNBYmYGHBXOjkD+YtAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-09T05:59:47.037068Z","bundle_sha256":"2a4babd165fd73fca5437f4227a234bed0816c74ee3de5e74180c80415cdb4b0"}}