{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:UUNIYOL2SKMSEJHXKWNTYGMEHF","short_pith_number":"pith:UUNIYOL2","canonical_record":{"source":{"id":"1204.3252","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-04-15T10:22:44Z","cross_cats_sorted":[],"title_canon_sha256":"8a12ac5968744ac90c52a8b47d1e0a95dc1651583b6df977197407d1d2fcdea3","abstract_canon_sha256":"dd1e5d018fec3f745b4be5094a7e3aeec800730bc284d9775ba6ed63c180f91f"},"schema_version":"1.0"},"canonical_sha256":"a51a8c397a92992224f7559b3c1984397f13493984a1a94154c09fadf1d9239e","source":{"kind":"arxiv","id":"1204.3252","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.3252","created_at":"2026-05-18T03:57:52Z"},{"alias_kind":"arxiv_version","alias_value":"1204.3252v1","created_at":"2026-05-18T03:57:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.3252","created_at":"2026-05-18T03:57:52Z"},{"alias_kind":"pith_short_12","alias_value":"UUNIYOL2SKMS","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_16","alias_value":"UUNIYOL2SKMSEJHX","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_8","alias_value":"UUNIYOL2","created_at":"2026-05-18T12:27:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:UUNIYOL2SKMSEJHXKWNTYGMEHF","target":"record","payload":{"canonical_record":{"source":{"id":"1204.3252","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-04-15T10:22:44Z","cross_cats_sorted":[],"title_canon_sha256":"8a12ac5968744ac90c52a8b47d1e0a95dc1651583b6df977197407d1d2fcdea3","abstract_canon_sha256":"dd1e5d018fec3f745b4be5094a7e3aeec800730bc284d9775ba6ed63c180f91f"},"schema_version":"1.0"},"canonical_sha256":"a51a8c397a92992224f7559b3c1984397f13493984a1a94154c09fadf1d9239e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:57:52.058916Z","signature_b64":"4e4eVJEj4+03u8cbAQDz17PrYnknkuY8GMdXBOzyzH4LAzJUw4bKksYcQC0xHtrLQSCcM43KxHtJxINVwp7DBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a51a8c397a92992224f7559b3c1984397f13493984a1a94154c09fadf1d9239e","last_reissued_at":"2026-05-18T03:57:52.058093Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:57:52.058093Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1204.3252","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":"2026-05-18T03:57:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EgKNjYSbORLV0j3qhjewwziNPTCA2diW6OtRTUxs6eJU/aT66moaSRPYN7Zbt7RUXhXphMpQT1bKT2VtfJDMBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T12:12:52.475757Z"},"content_sha256":"824a60540bd91b6628cdf35b0e93e67efecb76dff02d13febddb261d48a91519","schema_version":"1.0","event_id":"sha256:824a60540bd91b6628cdf35b0e93e67efecb76dff02d13febddb261d48a91519"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:UUNIYOL2SKMSEJHXKWNTYGMEHF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The critical current density in type-II superconducting bulk materials","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Ming Ju Chou, Wei Yeu Chen","submitted_at":"2012-04-15T10:22:44Z","abstract_excerpt":"The critical current density Jc in type-II conventional and high-Tc superconducting bulk materials is investigated based on the quantum theory for the vortex dynamics. It is shown that for a constant magnetic field, the critical current density Jc decreases weakly with increasing temperature when T<T_dp(depinning temperature); when T_dp< T <T_f (boundary fluctuation temperature,Jc is power-law-decaying,and when T>T_f,Jc decays exponentially; while for a constant temperature, Jc first decreases, then increases after reaching a maximum, and finally decreases again as the magnetic field increases"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.3252","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":"2026-05-18T03:57:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jdqPV1R97KhYqCkFXBCMSEXSZ4B24J0HoZV+2xj04AkdEn/Io0qtNs1xht5IrYMl/5OLSYqP6wuoj0BESH+uDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T12:12:52.476439Z"},"content_sha256":"679f3c9bdfa0decfe13260b8fe6c53d4f2099e8742df7066cd7d5d98e00d7f43","schema_version":"1.0","event_id":"sha256:679f3c9bdfa0decfe13260b8fe6c53d4f2099e8742df7066cd7d5d98e00d7f43"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UUNIYOL2SKMSEJHXKWNTYGMEHF/bundle.json","state_url":"https://pith.science/pith/UUNIYOL2SKMSEJHXKWNTYGMEHF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UUNIYOL2SKMSEJHXKWNTYGMEHF/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":"2026-05-31T12:12:52Z","links":{"resolver":"https://pith.science/pith/UUNIYOL2SKMSEJHXKWNTYGMEHF","bundle":"https://pith.science/pith/UUNIYOL2SKMSEJHXKWNTYGMEHF/bundle.json","state":"https://pith.science/pith/UUNIYOL2SKMSEJHXKWNTYGMEHF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UUNIYOL2SKMSEJHXKWNTYGMEHF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:UUNIYOL2SKMSEJHXKWNTYGMEHF","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":"dd1e5d018fec3f745b4be5094a7e3aeec800730bc284d9775ba6ed63c180f91f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-04-15T10:22:44Z","title_canon_sha256":"8a12ac5968744ac90c52a8b47d1e0a95dc1651583b6df977197407d1d2fcdea3"},"schema_version":"1.0","source":{"id":"1204.3252","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.3252","created_at":"2026-05-18T03:57:52Z"},{"alias_kind":"arxiv_version","alias_value":"1204.3252v1","created_at":"2026-05-18T03:57:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.3252","created_at":"2026-05-18T03:57:52Z"},{"alias_kind":"pith_short_12","alias_value":"UUNIYOL2SKMS","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_16","alias_value":"UUNIYOL2SKMSEJHX","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_8","alias_value":"UUNIYOL2","created_at":"2026-05-18T12:27:25Z"}],"graph_snapshots":[{"event_id":"sha256:679f3c9bdfa0decfe13260b8fe6c53d4f2099e8742df7066cd7d5d98e00d7f43","target":"graph","created_at":"2026-05-18T03:57:52Z","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":"The critical current density Jc in type-II conventional and high-Tc superconducting bulk materials is investigated based on the quantum theory for the vortex dynamics. It is shown that for a constant magnetic field, the critical current density Jc decreases weakly with increasing temperature when T<T_dp(depinning temperature); when T_dp< T <T_f (boundary fluctuation temperature,Jc is power-law-decaying,and when T>T_f,Jc decays exponentially; while for a constant temperature, Jc first decreases, then increases after reaching a maximum, and finally decreases again as the magnetic field increases","authors_text":"Ming Ju Chou, Wei Yeu Chen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-04-15T10:22:44Z","title":"The critical current density in type-II superconducting bulk materials"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.3252","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":"sha256:824a60540bd91b6628cdf35b0e93e67efecb76dff02d13febddb261d48a91519","target":"record","created_at":"2026-05-18T03:57:52Z","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":"dd1e5d018fec3f745b4be5094a7e3aeec800730bc284d9775ba6ed63c180f91f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-04-15T10:22:44Z","title_canon_sha256":"8a12ac5968744ac90c52a8b47d1e0a95dc1651583b6df977197407d1d2fcdea3"},"schema_version":"1.0","source":{"id":"1204.3252","kind":"arxiv","version":1}},"canonical_sha256":"a51a8c397a92992224f7559b3c1984397f13493984a1a94154c09fadf1d9239e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a51a8c397a92992224f7559b3c1984397f13493984a1a94154c09fadf1d9239e","first_computed_at":"2026-05-18T03:57:52.058093Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:57:52.058093Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4e4eVJEj4+03u8cbAQDz17PrYnknkuY8GMdXBOzyzH4LAzJUw4bKksYcQC0xHtrLQSCcM43KxHtJxINVwp7DBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:57:52.058916Z","signed_message":"canonical_sha256_bytes"},"source_id":"1204.3252","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:824a60540bd91b6628cdf35b0e93e67efecb76dff02d13febddb261d48a91519","sha256:679f3c9bdfa0decfe13260b8fe6c53d4f2099e8742df7066cd7d5d98e00d7f43"],"state_sha256":"915e790fe2d94e91729a80826b8fb1f54c655fd44f946cb3aef8ceb04ad78472"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cax87/E8TW2sSq4mNaIB3tGRRfMkqU/k4U6Kf9N4YkOhZdzyVQtK4BClKfeT3j4206bTr8Zi1o4sjJA2CzDeBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T12:12:52.480263Z","bundle_sha256":"fcdac220637a68f8d41efbda86669eb8e780c0138be397e14b903e551b742a0b"}}