{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:52JSOGVFQYHGE6BJEVDBZXE3FL","short_pith_number":"pith:52JSOGVF","canonical_record":{"source":{"id":"1703.10082","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2017-03-29T15:01:29Z","cross_cats_sorted":["q-bio.TO"],"title_canon_sha256":"f44ee91374d926fbc9d671a25f71f5b4ec1bc0d56984e6a34bf5ef1abcc8a538","abstract_canon_sha256":"78feeede1d4ec4953a3153f59a1ba83395512273e313d25fdce32eb1daa4c7cb"},"schema_version":"1.0"},"canonical_sha256":"ee93271aa5860e62782925461cdc9b2ae8ab1d55f033366ffd0cd11b28a669fd","source":{"kind":"arxiv","id":"1703.10082","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.10082","created_at":"2026-05-18T00:46:54Z"},{"alias_kind":"arxiv_version","alias_value":"1703.10082v1","created_at":"2026-05-18T00:46:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.10082","created_at":"2026-05-18T00:46:54Z"},{"alias_kind":"pith_short_12","alias_value":"52JSOGVFQYHG","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_16","alias_value":"52JSOGVFQYHGE6BJ","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_8","alias_value":"52JSOGVF","created_at":"2026-05-18T12:31:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:52JSOGVFQYHGE6BJEVDBZXE3FL","target":"record","payload":{"canonical_record":{"source":{"id":"1703.10082","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2017-03-29T15:01:29Z","cross_cats_sorted":["q-bio.TO"],"title_canon_sha256":"f44ee91374d926fbc9d671a25f71f5b4ec1bc0d56984e6a34bf5ef1abcc8a538","abstract_canon_sha256":"78feeede1d4ec4953a3153f59a1ba83395512273e313d25fdce32eb1daa4c7cb"},"schema_version":"1.0"},"canonical_sha256":"ee93271aa5860e62782925461cdc9b2ae8ab1d55f033366ffd0cd11b28a669fd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:46:54.972144Z","signature_b64":"J1ILEwshQg48LnF0KYjw+3c7dl/c4+VPGw8AjnOxCSkiw/WY0z0rdlJAInaHEULj6Itgoy2twmvnLNxjlASKAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ee93271aa5860e62782925461cdc9b2ae8ab1d55f033366ffd0cd11b28a669fd","last_reissued_at":"2026-05-18T00:46:54.971568Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:46:54.971568Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1703.10082","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":"2026-05-18T00:46:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"niUeafKenA6KdMfDhxbYSiVgHwO0GxFPJzZepHP2+LATcGYRyRtxQQWT+hDlnqUvSnlEXZRrV+m5UQcVCpxuCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T14:10:42.588769Z"},"content_sha256":"9e4214c9079a8d7736c041c2081d42e17972be33b33d2fb2c4fa8d3b3d75091d","schema_version":"1.0","event_id":"sha256:9e4214c9079a8d7736c041c2081d42e17972be33b33d2fb2c4fa8d3b3d75091d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:52JSOGVFQYHGE6BJEVDBZXE3FL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Mechanical analysis of pimple growth and pain level characterization","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["q-bio.TO"],"primary_cat":"physics.med-ph","authors_text":"Feng Hao, Hang Xiao, Liangliang Zhu, Xiangbiao Liao, Xiaobin Deng, Xiaoyang Shi, Xi Chen","submitted_at":"2017-03-29T15:01:29Z","abstract_excerpt":"Pimple is one of the most common skin diseases for humans. The mechanical modeling of pimple growth is very limited. A finite element model is developed to quantify the deformation field with the expansion of follicle, and then the mechanical stimulus is related to the sensation of pain during the development of pimple. Through these models, parametric studies show the dependence of mechanical stimulus and pain level on the pimple-surrounded structures, follicle depth and mechanical properties of the epidermis. The findings in this paper may provide useful insights on prevention or pain relief"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.10082","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":""},"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":"2026-05-18T00:46:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nmN3DfQj1TzlmUd6Yg7cDhzVTggArJ918SyYOQXgdgRLJ5d0BdQJO7WaFD/+WIilnvdiWqCn/YMXk/f8J+wfCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T14:10:42.589504Z"},"content_sha256":"697ba8b390cfe511cd8d0dc801a352a9ebb97b49615b69b35dae7cf5cc21d7f6","schema_version":"1.0","event_id":"sha256:697ba8b390cfe511cd8d0dc801a352a9ebb97b49615b69b35dae7cf5cc21d7f6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/52JSOGVFQYHGE6BJEVDBZXE3FL/bundle.json","state_url":"https://pith.science/pith/52JSOGVFQYHGE6BJEVDBZXE3FL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/52JSOGVFQYHGE6BJEVDBZXE3FL/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":"2026-06-07T14:10:42Z","links":{"resolver":"https://pith.science/pith/52JSOGVFQYHGE6BJEVDBZXE3FL","bundle":"https://pith.science/pith/52JSOGVFQYHGE6BJEVDBZXE3FL/bundle.json","state":"https://pith.science/pith/52JSOGVFQYHGE6BJEVDBZXE3FL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/52JSOGVFQYHGE6BJEVDBZXE3FL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:52JSOGVFQYHGE6BJEVDBZXE3FL","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":"78feeede1d4ec4953a3153f59a1ba83395512273e313d25fdce32eb1daa4c7cb","cross_cats_sorted":["q-bio.TO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2017-03-29T15:01:29Z","title_canon_sha256":"f44ee91374d926fbc9d671a25f71f5b4ec1bc0d56984e6a34bf5ef1abcc8a538"},"schema_version":"1.0","source":{"id":"1703.10082","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.10082","created_at":"2026-05-18T00:46:54Z"},{"alias_kind":"arxiv_version","alias_value":"1703.10082v1","created_at":"2026-05-18T00:46:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.10082","created_at":"2026-05-18T00:46:54Z"},{"alias_kind":"pith_short_12","alias_value":"52JSOGVFQYHG","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_16","alias_value":"52JSOGVFQYHGE6BJ","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_8","alias_value":"52JSOGVF","created_at":"2026-05-18T12:31:00Z"}],"graph_snapshots":[{"event_id":"sha256:697ba8b390cfe511cd8d0dc801a352a9ebb97b49615b69b35dae7cf5cc21d7f6","target":"graph","created_at":"2026-05-18T00:46:54Z","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":"Pimple is one of the most common skin diseases for humans. The mechanical modeling of pimple growth is very limited. A finite element model is developed to quantify the deformation field with the expansion of follicle, and then the mechanical stimulus is related to the sensation of pain during the development of pimple. Through these models, parametric studies show the dependence of mechanical stimulus and pain level on the pimple-surrounded structures, follicle depth and mechanical properties of the epidermis. The findings in this paper may provide useful insights on prevention or pain relief","authors_text":"Feng Hao, Hang Xiao, Liangliang Zhu, Xiangbiao Liao, Xiaobin Deng, Xiaoyang Shi, Xi Chen","cross_cats":["q-bio.TO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2017-03-29T15:01:29Z","title":"Mechanical analysis of pimple growth and pain level characterization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.10082","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":"sha256:9e4214c9079a8d7736c041c2081d42e17972be33b33d2fb2c4fa8d3b3d75091d","target":"record","created_at":"2026-05-18T00:46:54Z","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":"78feeede1d4ec4953a3153f59a1ba83395512273e313d25fdce32eb1daa4c7cb","cross_cats_sorted":["q-bio.TO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2017-03-29T15:01:29Z","title_canon_sha256":"f44ee91374d926fbc9d671a25f71f5b4ec1bc0d56984e6a34bf5ef1abcc8a538"},"schema_version":"1.0","source":{"id":"1703.10082","kind":"arxiv","version":1}},"canonical_sha256":"ee93271aa5860e62782925461cdc9b2ae8ab1d55f033366ffd0cd11b28a669fd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ee93271aa5860e62782925461cdc9b2ae8ab1d55f033366ffd0cd11b28a669fd","first_computed_at":"2026-05-18T00:46:54.971568Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:46:54.971568Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"J1ILEwshQg48LnF0KYjw+3c7dl/c4+VPGw8AjnOxCSkiw/WY0z0rdlJAInaHEULj6Itgoy2twmvnLNxjlASKAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:46:54.972144Z","signed_message":"canonical_sha256_bytes"},"source_id":"1703.10082","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9e4214c9079a8d7736c041c2081d42e17972be33b33d2fb2c4fa8d3b3d75091d","sha256:697ba8b390cfe511cd8d0dc801a352a9ebb97b49615b69b35dae7cf5cc21d7f6"],"state_sha256":"c696b668fef5e737228371727b279ec8b7836eda7137ec7bffe7e9a58e29b7b7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EYWO3rUTq42AFr4Bz8KtmxpBVuFGxTznM6qr8DYnZlLvNaCjYDyutGvmv8i8ocdTk/RLtZuVvxoCPl5gOoFTBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T14:10:42.593632Z","bundle_sha256":"5b44b2574edd3a5c045eb06f744f383499a325f0f4c953a52225dcee01811dd7"}}