{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:JEDIITRFFFSLAKH6MDDZSTQZ2M","short_pith_number":"pith:JEDIITRF","canonical_record":{"source":{"id":"1904.12508","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2019-04-29T08:57:00Z","cross_cats_sorted":[],"title_canon_sha256":"38181dbf169bd4d25f389ddbb7d2ccb84baa95814bc17427db17e29258d4c365","abstract_canon_sha256":"bb1a8c84a80881e549fa18b583cbfebe0c013c1bd827bc4d37fb21482d6135ec"},"schema_version":"1.0"},"canonical_sha256":"4906844e252964b028fe60c7994e19d3381b4809e6ac8b8b24ebbccc0197d895","source":{"kind":"arxiv","id":"1904.12508","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.12508","created_at":"2026-05-17T23:47:35Z"},{"alias_kind":"arxiv_version","alias_value":"1904.12508v1","created_at":"2026-05-17T23:47:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.12508","created_at":"2026-05-17T23:47:35Z"},{"alias_kind":"pith_short_12","alias_value":"JEDIITRFFFSL","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_16","alias_value":"JEDIITRFFFSLAKH6","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_8","alias_value":"JEDIITRF","created_at":"2026-05-18T12:33:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:JEDIITRFFFSLAKH6MDDZSTQZ2M","target":"record","payload":{"canonical_record":{"source":{"id":"1904.12508","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2019-04-29T08:57:00Z","cross_cats_sorted":[],"title_canon_sha256":"38181dbf169bd4d25f389ddbb7d2ccb84baa95814bc17427db17e29258d4c365","abstract_canon_sha256":"bb1a8c84a80881e549fa18b583cbfebe0c013c1bd827bc4d37fb21482d6135ec"},"schema_version":"1.0"},"canonical_sha256":"4906844e252964b028fe60c7994e19d3381b4809e6ac8b8b24ebbccc0197d895","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:47:35.010441Z","signature_b64":"uCNPkzIQf6jU2sTsnGlawkO/hiNmF3Bxr0uOc4jY1q9OyFR+454typm9mFkDVikGk5Wb4EnIxI9SNgydDpNOBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4906844e252964b028fe60c7994e19d3381b4809e6ac8b8b24ebbccc0197d895","last_reissued_at":"2026-05-17T23:47:35.010017Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:47:35.010017Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1904.12508","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":"2026-05-17T23:47:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kOJ5eaFzU8HITscokeE8bxbbYqY02ypi12nGCX7ZXEYLyRFoq1+jP7M+N5Vp0Ttk8/1068QUQilVse6AePxBCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T08:20:09.031493Z"},"content_sha256":"fcaa0960c43f098ab9dcdb2e542177d0c4945cdf1840f375c4acf7a0f6fc0ff2","schema_version":"1.0","event_id":"sha256:fcaa0960c43f098ab9dcdb2e542177d0c4945cdf1840f375c4acf7a0f6fc0ff2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:JEDIITRFFFSLAKH6MDDZSTQZ2M","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Relaxation Tribometry: A Generic Method to Identify the Nature of Contact Forces","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.class-ph","authors_text":"Alain Le Bot (LTDS), Artem Vasko, Julien Scheibert (LTDS), Oleg Braun","submitted_at":"2019-04-29T08:57:00Z","abstract_excerpt":"Recent years have witnessed the development of so-called relaxation tribometers, the free oscillation of which is altered by the presence of frictional stresses within the contact. So far, analysis of such oscillations has been restricted to the shape of their decaying envelope, to identify in particular solid or viscous friction components. Here, we present a more general expression of the forces possibly acting within the contact , and retain six possible, physically relevant terms. Two of them, which had never been proposed in the context of relaxation tribometry, only affect the oscillatio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.12508","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":"2026-05-17T23:47:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZRybRxg0uGufUMCgLuCtsqDFRC/sWAKHxofQHZgGIxdvR+EKI2/2y7a52cOpNKTfhUg9ZdP+k5bo9gn7lIhLAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T08:20:09.031824Z"},"content_sha256":"487efaa154b96ee69fdc6ff103f91e48fceb24052c9d570c2043c851359c0fbf","schema_version":"1.0","event_id":"sha256:487efaa154b96ee69fdc6ff103f91e48fceb24052c9d570c2043c851359c0fbf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JEDIITRFFFSLAKH6MDDZSTQZ2M/bundle.json","state_url":"https://pith.science/pith/JEDIITRFFFSLAKH6MDDZSTQZ2M/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JEDIITRFFFSLAKH6MDDZSTQZ2M/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":"2026-06-01T08:20:09Z","links":{"resolver":"https://pith.science/pith/JEDIITRFFFSLAKH6MDDZSTQZ2M","bundle":"https://pith.science/pith/JEDIITRFFFSLAKH6MDDZSTQZ2M/bundle.json","state":"https://pith.science/pith/JEDIITRFFFSLAKH6MDDZSTQZ2M/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JEDIITRFFFSLAKH6MDDZSTQZ2M/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:JEDIITRFFFSLAKH6MDDZSTQZ2M","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":"bb1a8c84a80881e549fa18b583cbfebe0c013c1bd827bc4d37fb21482d6135ec","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2019-04-29T08:57:00Z","title_canon_sha256":"38181dbf169bd4d25f389ddbb7d2ccb84baa95814bc17427db17e29258d4c365"},"schema_version":"1.0","source":{"id":"1904.12508","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.12508","created_at":"2026-05-17T23:47:35Z"},{"alias_kind":"arxiv_version","alias_value":"1904.12508v1","created_at":"2026-05-17T23:47:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.12508","created_at":"2026-05-17T23:47:35Z"},{"alias_kind":"pith_short_12","alias_value":"JEDIITRFFFSL","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_16","alias_value":"JEDIITRFFFSLAKH6","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_8","alias_value":"JEDIITRF","created_at":"2026-05-18T12:33:18Z"}],"graph_snapshots":[{"event_id":"sha256:487efaa154b96ee69fdc6ff103f91e48fceb24052c9d570c2043c851359c0fbf","target":"graph","created_at":"2026-05-17T23:47:35Z","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":"Recent years have witnessed the development of so-called relaxation tribometers, the free oscillation of which is altered by the presence of frictional stresses within the contact. So far, analysis of such oscillations has been restricted to the shape of their decaying envelope, to identify in particular solid or viscous friction components. Here, we present a more general expression of the forces possibly acting within the contact , and retain six possible, physically relevant terms. Two of them, which had never been proposed in the context of relaxation tribometry, only affect the oscillatio","authors_text":"Alain Le Bot (LTDS), Artem Vasko, Julien Scheibert (LTDS), Oleg Braun","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2019-04-29T08:57:00Z","title":"Relaxation Tribometry: A Generic Method to Identify the Nature of Contact Forces"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.12508","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:fcaa0960c43f098ab9dcdb2e542177d0c4945cdf1840f375c4acf7a0f6fc0ff2","target":"record","created_at":"2026-05-17T23:47:35Z","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":"bb1a8c84a80881e549fa18b583cbfebe0c013c1bd827bc4d37fb21482d6135ec","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2019-04-29T08:57:00Z","title_canon_sha256":"38181dbf169bd4d25f389ddbb7d2ccb84baa95814bc17427db17e29258d4c365"},"schema_version":"1.0","source":{"id":"1904.12508","kind":"arxiv","version":1}},"canonical_sha256":"4906844e252964b028fe60c7994e19d3381b4809e6ac8b8b24ebbccc0197d895","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4906844e252964b028fe60c7994e19d3381b4809e6ac8b8b24ebbccc0197d895","first_computed_at":"2026-05-17T23:47:35.010017Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:47:35.010017Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uCNPkzIQf6jU2sTsnGlawkO/hiNmF3Bxr0uOc4jY1q9OyFR+454typm9mFkDVikGk5Wb4EnIxI9SNgydDpNOBg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:47:35.010441Z","signed_message":"canonical_sha256_bytes"},"source_id":"1904.12508","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fcaa0960c43f098ab9dcdb2e542177d0c4945cdf1840f375c4acf7a0f6fc0ff2","sha256:487efaa154b96ee69fdc6ff103f91e48fceb24052c9d570c2043c851359c0fbf"],"state_sha256":"b123c9f14eae8efe2896b462b72dd151541e7b4316c237829b55745043dd1d79"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sMsQGs8eTjpfKtT5HmUiyzDFjv+OOgufQajw/u1ufb8AAntKGJ+TbFWVVhprGohmL61vCH4Gxd4eTsCxxgm/Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T08:20:09.033673Z","bundle_sha256":"01fbf5733a0bdc0812f906fee1d5a8730d59a15ec3b5f89886d855a2c80d06e0"}}