{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:3J2V67E6CFQ5PTBHMOV76SZV77","short_pith_number":"pith:3J2V67E6","canonical_record":{"source":{"id":"2208.04643","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-08-09T10:02:09Z","cross_cats_sorted":[],"title_canon_sha256":"e4c1b2437a819f6f5a4676a9517d1432d059d4f8cce6c7cc8e280d58ec138e76","abstract_canon_sha256":"f110ddedbc6e6acfe84b0eef1529a9a9f1dcc547e148f8a84c42e2b9bf52d539"},"schema_version":"1.0"},"canonical_sha256":"da755f7c9e1161d7cc2763abff4b35ffdf95c05e9cc30526e518acf0227df993","source":{"kind":"arxiv","id":"2208.04643","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2208.04643","created_at":"2026-07-05T05:29:28Z"},{"alias_kind":"arxiv_version","alias_value":"2208.04643v1","created_at":"2026-07-05T05:29:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2208.04643","created_at":"2026-07-05T05:29:28Z"},{"alias_kind":"pith_short_12","alias_value":"3J2V67E6CFQ5","created_at":"2026-07-05T05:29:28Z"},{"alias_kind":"pith_short_16","alias_value":"3J2V67E6CFQ5PTBH","created_at":"2026-07-05T05:29:28Z"},{"alias_kind":"pith_short_8","alias_value":"3J2V67E6","created_at":"2026-07-05T05:29:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:3J2V67E6CFQ5PTBHMOV76SZV77","target":"record","payload":{"canonical_record":{"source":{"id":"2208.04643","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-08-09T10:02:09Z","cross_cats_sorted":[],"title_canon_sha256":"e4c1b2437a819f6f5a4676a9517d1432d059d4f8cce6c7cc8e280d58ec138e76","abstract_canon_sha256":"f110ddedbc6e6acfe84b0eef1529a9a9f1dcc547e148f8a84c42e2b9bf52d539"},"schema_version":"1.0"},"canonical_sha256":"da755f7c9e1161d7cc2763abff4b35ffdf95c05e9cc30526e518acf0227df993","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:29:28.695846Z","signature_b64":"WPWB1qYcZZ5nm7xM2qs+fPpbIYLPqcvLgsmOFoWgxgt1ScCo8bmHEROa8Cc0I34EMG2U0E+yk99wTzbawk1hAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"da755f7c9e1161d7cc2763abff4b35ffdf95c05e9cc30526e518acf0227df993","last_reissued_at":"2026-07-05T05:29:28.695410Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:29:28.695410Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2208.04643","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":"2026-07-05T05:29:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"odAERhqvUqPqkPNVt+DOjU/wZMzqUXtvZhzRU4UUz5NnDmJHbciIMffebzR8z5mudmN4VTZK/qwk5Sy9E2VlDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T03:41:09.985194Z"},"content_sha256":"75fbdf656b04e44881cfe4def9e81ead641d383ef05ba9c74e6a8da7255abcdd","schema_version":"1.0","event_id":"sha256:75fbdf656b04e44881cfe4def9e81ead641d383ef05ba9c74e6a8da7255abcdd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:3J2V67E6CFQ5PTBHMOV76SZV77","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Pressure-Independent Through-Plane Electrical Conductivity Measurements of Highly Filled Conductive Polymer Composites","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Jesper D. C. Christiansen, S{\\o}ren J. Andreasen, Thomas Larsen, Tom Larsen","submitted_at":"2022-08-09T10:02:09Z","abstract_excerpt":"Highly filled conductive polymer composites (CPCs) are widely used in applications such as bipolar plate materials for polymer electrolyte membrane fuel cells and redox flow batteries, electromagnetic interference shielding and sensors due to their useful electrical properties. A common method for determining through-plane electrical conductivities $\\left(\\sigma_{\\rm tp} \\right)$ of such highly filled CPCs applies a conductive carbon paper between electrodes and sample with application of external pressure to improve electrical contact. We show the pressure-dependence of the measured $\\sigma_{"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2208.04643","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/2208.04643/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":"2026-07-05T05:29:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MRdl3YmUdPazqsc6C6k9WeY7ILuQMboj7iu7zvG6Q2EBdMier6nT783xkW+aYDCDPJCUVWawKCf7rqhtHLCRDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T03:41:09.985714Z"},"content_sha256":"3e1511fc80f147ef885dcdca495f4e90f82f37ad7a575ebc57ef9adde1cb15c2","schema_version":"1.0","event_id":"sha256:3e1511fc80f147ef885dcdca495f4e90f82f37ad7a575ebc57ef9adde1cb15c2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3J2V67E6CFQ5PTBHMOV76SZV77/bundle.json","state_url":"https://pith.science/pith/3J2V67E6CFQ5PTBHMOV76SZV77/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3J2V67E6CFQ5PTBHMOV76SZV77/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":"2026-08-15T03:41:10Z","links":{"resolver":"https://pith.science/pith/3J2V67E6CFQ5PTBHMOV76SZV77","bundle":"https://pith.science/pith/3J2V67E6CFQ5PTBHMOV76SZV77/bundle.json","state":"https://pith.science/pith/3J2V67E6CFQ5PTBHMOV76SZV77/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3J2V67E6CFQ5PTBHMOV76SZV77/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:3J2V67E6CFQ5PTBHMOV76SZV77","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":"f110ddedbc6e6acfe84b0eef1529a9a9f1dcc547e148f8a84c42e2b9bf52d539","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-08-09T10:02:09Z","title_canon_sha256":"e4c1b2437a819f6f5a4676a9517d1432d059d4f8cce6c7cc8e280d58ec138e76"},"schema_version":"1.0","source":{"id":"2208.04643","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2208.04643","created_at":"2026-07-05T05:29:28Z"},{"alias_kind":"arxiv_version","alias_value":"2208.04643v1","created_at":"2026-07-05T05:29:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2208.04643","created_at":"2026-07-05T05:29:28Z"},{"alias_kind":"pith_short_12","alias_value":"3J2V67E6CFQ5","created_at":"2026-07-05T05:29:28Z"},{"alias_kind":"pith_short_16","alias_value":"3J2V67E6CFQ5PTBH","created_at":"2026-07-05T05:29:28Z"},{"alias_kind":"pith_short_8","alias_value":"3J2V67E6","created_at":"2026-07-05T05:29:28Z"}],"graph_snapshots":[{"event_id":"sha256:3e1511fc80f147ef885dcdca495f4e90f82f37ad7a575ebc57ef9adde1cb15c2","target":"graph","created_at":"2026-07-05T05:29:28Z","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/2208.04643/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Highly filled conductive polymer composites (CPCs) are widely used in applications such as bipolar plate materials for polymer electrolyte membrane fuel cells and redox flow batteries, electromagnetic interference shielding and sensors due to their useful electrical properties. A common method for determining through-plane electrical conductivities $\\left(\\sigma_{\\rm tp} \\right)$ of such highly filled CPCs applies a conductive carbon paper between electrodes and sample with application of external pressure to improve electrical contact. We show the pressure-dependence of the measured $\\sigma_{","authors_text":"Jesper D. C. Christiansen, S{\\o}ren J. Andreasen, Thomas Larsen, Tom Larsen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-08-09T10:02:09Z","title":"Pressure-Independent Through-Plane Electrical Conductivity Measurements of Highly Filled Conductive Polymer Composites"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2208.04643","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":"sha256:75fbdf656b04e44881cfe4def9e81ead641d383ef05ba9c74e6a8da7255abcdd","target":"record","created_at":"2026-07-05T05:29:28Z","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":"f110ddedbc6e6acfe84b0eef1529a9a9f1dcc547e148f8a84c42e2b9bf52d539","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-08-09T10:02:09Z","title_canon_sha256":"e4c1b2437a819f6f5a4676a9517d1432d059d4f8cce6c7cc8e280d58ec138e76"},"schema_version":"1.0","source":{"id":"2208.04643","kind":"arxiv","version":1}},"canonical_sha256":"da755f7c9e1161d7cc2763abff4b35ffdf95c05e9cc30526e518acf0227df993","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"da755f7c9e1161d7cc2763abff4b35ffdf95c05e9cc30526e518acf0227df993","first_computed_at":"2026-07-05T05:29:28.695410Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:29:28.695410Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WPWB1qYcZZ5nm7xM2qs+fPpbIYLPqcvLgsmOFoWgxgt1ScCo8bmHEROa8Cc0I34EMG2U0E+yk99wTzbawk1hAg==","signature_status":"signed_v1","signed_at":"2026-07-05T05:29:28.695846Z","signed_message":"canonical_sha256_bytes"},"source_id":"2208.04643","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:75fbdf656b04e44881cfe4def9e81ead641d383ef05ba9c74e6a8da7255abcdd","sha256:3e1511fc80f147ef885dcdca495f4e90f82f37ad7a575ebc57ef9adde1cb15c2"],"state_sha256":"48d994bd7b06d8693c05bead89d2013eaa3f2e25a2cd8be606943bc17e295551"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"j4YM7kEXj31feusLI5x0sR2afSC0+rIKFYcGiYMGVPgNbbMDfQRlWEUNs8O8ycVUCNtD+CyEF486uN1MoLv9Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T03:41:10.017484Z","bundle_sha256":"7a7db06e5f2cb7a595fda9395b148038d16178c59fd6f98322e319561d934839"}}