{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:BXILGFSCUUXLJTSLCXR37NKSUZ","short_pith_number":"pith:BXILGFSC","canonical_record":{"source":{"id":"2012.02770","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.med-ph","submitted_at":"2020-12-04T18:36:59Z","cross_cats_sorted":["cond-mat.soft"],"title_canon_sha256":"f6727bb0409b203c68862b700c4c5cc0df1a084d8407370f72ef744410169b16","abstract_canon_sha256":"ba7f3b0f812218ed20c781e5e4d3aeaf2936420b8df73ef3e95a56e6f58cb78c"},"schema_version":"1.0"},"canonical_sha256":"0dd0b31642a52eb4ce4b15e3bfb552a64b3e61a1cd91c5cf365cd4c2ba0350e4","source":{"kind":"arxiv","id":"2012.02770","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.02770","created_at":"2026-07-05T01:57:09Z"},{"alias_kind":"arxiv_version","alias_value":"2012.02770v1","created_at":"2026-07-05T01:57:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.02770","created_at":"2026-07-05T01:57:09Z"},{"alias_kind":"pith_short_12","alias_value":"BXILGFSCUUXL","created_at":"2026-07-05T01:57:09Z"},{"alias_kind":"pith_short_16","alias_value":"BXILGFSCUUXLJTSL","created_at":"2026-07-05T01:57:09Z"},{"alias_kind":"pith_short_8","alias_value":"BXILGFSC","created_at":"2026-07-05T01:57:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:BXILGFSCUUXLJTSLCXR37NKSUZ","target":"record","payload":{"canonical_record":{"source":{"id":"2012.02770","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.med-ph","submitted_at":"2020-12-04T18:36:59Z","cross_cats_sorted":["cond-mat.soft"],"title_canon_sha256":"f6727bb0409b203c68862b700c4c5cc0df1a084d8407370f72ef744410169b16","abstract_canon_sha256":"ba7f3b0f812218ed20c781e5e4d3aeaf2936420b8df73ef3e95a56e6f58cb78c"},"schema_version":"1.0"},"canonical_sha256":"0dd0b31642a52eb4ce4b15e3bfb552a64b3e61a1cd91c5cf365cd4c2ba0350e4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:57:09.991109Z","signature_b64":"1KslX/hwIeVD80Ko1MtTYoffn2bxgwF2mTCoZKrb+YnO48cFoUNKxuUdAvnMykh7GttiLaUO+5H1eibqD+hsDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0dd0b31642a52eb4ce4b15e3bfb552a64b3e61a1cd91c5cf365cd4c2ba0350e4","last_reissued_at":"2026-07-05T01:57:09.990695Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:57:09.990695Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2012.02770","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":"2026-07-05T01:57:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hSWbiblqYeTWEwczvEy0WmLC5De3Wevp2U+wL17aQ0OXMHvvdu/hr/8iFQWtjShqTG57qwdcS9K68Ki0QIgOBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T12:32:06.895813Z"},"content_sha256":"aa4fe1f788c5bdf4836e3c9cf0eeb1358352a2c4b6589e3715e7ef2614414880","schema_version":"1.0","event_id":"sha256:aa4fe1f788c5bdf4836e3c9cf0eeb1358352a2c4b6589e3715e7ef2614414880"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:BXILGFSCUUXLJTSLCXR37NKSUZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Probing blood pressure and arterial stiffness noninvasively by guided axial waves","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.soft"],"primary_cat":"physics.med-ph","authors_text":"Guo-Yang Li, Weiqiang Xu, Yang Zheng, Yanping Cao, Yuxuan Jiang, Zhaoyi Zhang","submitted_at":"2020-12-04T18:36:59Z","abstract_excerpt":"The clinical and economic burden of cardiovascular diseases (CVDs) poses a global challenge. Growing evidence suggests an early assessment of arterial stiffness can provide insights into the pathogenesis of CVDs. However, it remains difficult to quantitatively characterize the arterial stiffness in vivo. Here we utilize the guided elastic waves continuously excited and detected by ultrasound as a tool to probe the blood pressure (BP) and mechanical properties of the common carotid artery (CCA) simultaneously. In a pilot study of 17 healthy volunteers, we obverse a ~20% variation in the group v"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.02770","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/2012.02770/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":"2026-07-05T01:57:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lDbVTlJtWE8fnetPMJaWSMWAmtA+PLddQqAE4Q+yGtOS1fR9Bg9eYsWvVkwlLC+xsaS+r3EsChfGvijdutcYBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T12:32:06.896300Z"},"content_sha256":"8d47d4c3e8ccf2c268632593c8ca9a2f99f3c3c8c880fb65700859a697a277a3","schema_version":"1.0","event_id":"sha256:8d47d4c3e8ccf2c268632593c8ca9a2f99f3c3c8c880fb65700859a697a277a3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BXILGFSCUUXLJTSLCXR37NKSUZ/bundle.json","state_url":"https://pith.science/pith/BXILGFSCUUXLJTSLCXR37NKSUZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BXILGFSCUUXLJTSLCXR37NKSUZ/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":"2026-08-05T12:32:06Z","links":{"resolver":"https://pith.science/pith/BXILGFSCUUXLJTSLCXR37NKSUZ","bundle":"https://pith.science/pith/BXILGFSCUUXLJTSLCXR37NKSUZ/bundle.json","state":"https://pith.science/pith/BXILGFSCUUXLJTSLCXR37NKSUZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BXILGFSCUUXLJTSLCXR37NKSUZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:BXILGFSCUUXLJTSLCXR37NKSUZ","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":"ba7f3b0f812218ed20c781e5e4d3aeaf2936420b8df73ef3e95a56e6f58cb78c","cross_cats_sorted":["cond-mat.soft"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.med-ph","submitted_at":"2020-12-04T18:36:59Z","title_canon_sha256":"f6727bb0409b203c68862b700c4c5cc0df1a084d8407370f72ef744410169b16"},"schema_version":"1.0","source":{"id":"2012.02770","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.02770","created_at":"2026-07-05T01:57:09Z"},{"alias_kind":"arxiv_version","alias_value":"2012.02770v1","created_at":"2026-07-05T01:57:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.02770","created_at":"2026-07-05T01:57:09Z"},{"alias_kind":"pith_short_12","alias_value":"BXILGFSCUUXL","created_at":"2026-07-05T01:57:09Z"},{"alias_kind":"pith_short_16","alias_value":"BXILGFSCUUXLJTSL","created_at":"2026-07-05T01:57:09Z"},{"alias_kind":"pith_short_8","alias_value":"BXILGFSC","created_at":"2026-07-05T01:57:09Z"}],"graph_snapshots":[{"event_id":"sha256:8d47d4c3e8ccf2c268632593c8ca9a2f99f3c3c8c880fb65700859a697a277a3","target":"graph","created_at":"2026-07-05T01:57:09Z","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/2012.02770/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The clinical and economic burden of cardiovascular diseases (CVDs) poses a global challenge. Growing evidence suggests an early assessment of arterial stiffness can provide insights into the pathogenesis of CVDs. However, it remains difficult to quantitatively characterize the arterial stiffness in vivo. Here we utilize the guided elastic waves continuously excited and detected by ultrasound as a tool to probe the blood pressure (BP) and mechanical properties of the common carotid artery (CCA) simultaneously. In a pilot study of 17 healthy volunteers, we obverse a ~20% variation in the group v","authors_text":"Guo-Yang Li, Weiqiang Xu, Yang Zheng, Yanping Cao, Yuxuan Jiang, Zhaoyi Zhang","cross_cats":["cond-mat.soft"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.med-ph","submitted_at":"2020-12-04T18:36:59Z","title":"Probing blood pressure and arterial stiffness noninvasively by guided axial waves"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.02770","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:aa4fe1f788c5bdf4836e3c9cf0eeb1358352a2c4b6589e3715e7ef2614414880","target":"record","created_at":"2026-07-05T01:57:09Z","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":"ba7f3b0f812218ed20c781e5e4d3aeaf2936420b8df73ef3e95a56e6f58cb78c","cross_cats_sorted":["cond-mat.soft"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.med-ph","submitted_at":"2020-12-04T18:36:59Z","title_canon_sha256":"f6727bb0409b203c68862b700c4c5cc0df1a084d8407370f72ef744410169b16"},"schema_version":"1.0","source":{"id":"2012.02770","kind":"arxiv","version":1}},"canonical_sha256":"0dd0b31642a52eb4ce4b15e3bfb552a64b3e61a1cd91c5cf365cd4c2ba0350e4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0dd0b31642a52eb4ce4b15e3bfb552a64b3e61a1cd91c5cf365cd4c2ba0350e4","first_computed_at":"2026-07-05T01:57:09.990695Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:57:09.990695Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1KslX/hwIeVD80Ko1MtTYoffn2bxgwF2mTCoZKrb+YnO48cFoUNKxuUdAvnMykh7GttiLaUO+5H1eibqD+hsDg==","signature_status":"signed_v1","signed_at":"2026-07-05T01:57:09.991109Z","signed_message":"canonical_sha256_bytes"},"source_id":"2012.02770","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:aa4fe1f788c5bdf4836e3c9cf0eeb1358352a2c4b6589e3715e7ef2614414880","sha256:8d47d4c3e8ccf2c268632593c8ca9a2f99f3c3c8c880fb65700859a697a277a3"],"state_sha256":"7636d2ba65ab8f691311e64eeaf433d6d3ac6fee6a6a1a8337ff105f38d04467"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"H1xOXOu9vPXEjl4MANOPDwZ+5tcWeKUK86SSH5ZAVTz2z6NFuPcL2ki+YqA7W+tDbutkPp7+bpq4SKZsK1WkBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T12:32:06.901053Z","bundle_sha256":"09299a10e8541abb1a2698f413b035e3942427e8b563fd6874018e8ba082f1fc"}}