{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:HHAUT7UV37PRCJC4H53GN4PDYE","short_pith_number":"pith:HHAUT7UV","canonical_record":{"source":{"id":"1208.3062","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-08-15T08:49:47Z","cross_cats_sorted":[],"title_canon_sha256":"025b73387e32329fd3a7ae16670923b719e4044c15cb616cda973a654730b1d0","abstract_canon_sha256":"01431a80afee4d784fff04520610d388bacd7a02b2c2d884a04aafcb9067f8d8"},"schema_version":"1.0"},"canonical_sha256":"39c149fe95dfdf11245c3f7666f1e3c115a5892a497fd4713a2708307bfd40a7","source":{"kind":"arxiv","id":"1208.3062","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.3062","created_at":"2026-05-18T03:39:28Z"},{"alias_kind":"arxiv_version","alias_value":"1208.3062v1","created_at":"2026-05-18T03:39:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.3062","created_at":"2026-05-18T03:39:28Z"},{"alias_kind":"pith_short_12","alias_value":"HHAUT7UV37PR","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_16","alias_value":"HHAUT7UV37PRCJC4","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_8","alias_value":"HHAUT7UV","created_at":"2026-05-18T12:27:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:HHAUT7UV37PRCJC4H53GN4PDYE","target":"record","payload":{"canonical_record":{"source":{"id":"1208.3062","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-08-15T08:49:47Z","cross_cats_sorted":[],"title_canon_sha256":"025b73387e32329fd3a7ae16670923b719e4044c15cb616cda973a654730b1d0","abstract_canon_sha256":"01431a80afee4d784fff04520610d388bacd7a02b2c2d884a04aafcb9067f8d8"},"schema_version":"1.0"},"canonical_sha256":"39c149fe95dfdf11245c3f7666f1e3c115a5892a497fd4713a2708307bfd40a7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:39:28.207953Z","signature_b64":"XgQpnwuOMDY0+c+cG5Gvy4yOhTWpog4jsvNdVe0fHwtaeU66/bez/U0v3tQAXoIjZSW0hGsK2iY7rNubrQT/Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"39c149fe95dfdf11245c3f7666f1e3c115a5892a497fd4713a2708307bfd40a7","last_reissued_at":"2026-05-18T03:39:28.207132Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:39:28.207132Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1208.3062","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":"2026-05-18T03:39:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5iLKjssQp62DDU3slH1bfSa/0CGF2EdDf08bAMM/3KZz+WRPYir7W+PlhEc+jS+Z0dlcBrnoIEtwSl4GJsLBAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T16:05:11.753348Z"},"content_sha256":"79b877d932dc7fd0dd5ff1079768163d2ff2a213b11e1031cffb2cc64037d1be","schema_version":"1.0","event_id":"sha256:79b877d932dc7fd0dd5ff1079768163d2ff2a213b11e1031cffb2cc64037d1be"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:HHAUT7UV37PRCJC4H53GN4PDYE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Vortex lock-in transition coinciding with the 3D to 2D crossover in YBa2Cu3O7","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"A. Erb, H. Keller, R. Puzniak, S. Bosma, S. Weyeneth","submitted_at":"2012-08-15T08:49:47Z","abstract_excerpt":"A vortex lock-in transition was directly detected by torque magnetometry in an overdoped YBa2Cu3O7 single crystal of low anisotropy (\\approx 7). The locked-in state was observed below the 3D to 2D crossover temperature Tcr = 76 K, independently of extrinsic pinning effects thanks to a high quality clean crystal and the use of a vortex shaking technique. The shape of the torque signal as a function of the angle between the applied magnetic field and the crystallographic c-axis is in very good agreement with the model developped by Feinberg and Ettouhami [Int. J. Mod. Phys. B 7, 2085 (1993)] for"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.3062","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":"2026-05-18T03:39:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"THKpwgtnsDPl3M7aNEAOMJMsYTesT7vGq/Gx+hFRbki1AYsOANl4Pvgl/T5epd/p/3aQHdEYNZ9gzY6owAcCAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T16:05:11.754096Z"},"content_sha256":"f33003dbb027439748ab0c97f1ab897c155570ada8e3f9f04e8491676185a20a","schema_version":"1.0","event_id":"sha256:f33003dbb027439748ab0c97f1ab897c155570ada8e3f9f04e8491676185a20a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HHAUT7UV37PRCJC4H53GN4PDYE/bundle.json","state_url":"https://pith.science/pith/HHAUT7UV37PRCJC4H53GN4PDYE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HHAUT7UV37PRCJC4H53GN4PDYE/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":"2026-05-31T16:05:11Z","links":{"resolver":"https://pith.science/pith/HHAUT7UV37PRCJC4H53GN4PDYE","bundle":"https://pith.science/pith/HHAUT7UV37PRCJC4H53GN4PDYE/bundle.json","state":"https://pith.science/pith/HHAUT7UV37PRCJC4H53GN4PDYE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HHAUT7UV37PRCJC4H53GN4PDYE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:HHAUT7UV37PRCJC4H53GN4PDYE","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":"01431a80afee4d784fff04520610d388bacd7a02b2c2d884a04aafcb9067f8d8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-08-15T08:49:47Z","title_canon_sha256":"025b73387e32329fd3a7ae16670923b719e4044c15cb616cda973a654730b1d0"},"schema_version":"1.0","source":{"id":"1208.3062","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.3062","created_at":"2026-05-18T03:39:28Z"},{"alias_kind":"arxiv_version","alias_value":"1208.3062v1","created_at":"2026-05-18T03:39:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.3062","created_at":"2026-05-18T03:39:28Z"},{"alias_kind":"pith_short_12","alias_value":"HHAUT7UV37PR","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_16","alias_value":"HHAUT7UV37PRCJC4","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_8","alias_value":"HHAUT7UV","created_at":"2026-05-18T12:27:09Z"}],"graph_snapshots":[{"event_id":"sha256:f33003dbb027439748ab0c97f1ab897c155570ada8e3f9f04e8491676185a20a","target":"graph","created_at":"2026-05-18T03:39:28Z","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"},"paper":{"abstract_excerpt":"A vortex lock-in transition was directly detected by torque magnetometry in an overdoped YBa2Cu3O7 single crystal of low anisotropy (\\approx 7). The locked-in state was observed below the 3D to 2D crossover temperature Tcr = 76 K, independently of extrinsic pinning effects thanks to a high quality clean crystal and the use of a vortex shaking technique. The shape of the torque signal as a function of the angle between the applied magnetic field and the crystallographic c-axis is in very good agreement with the model developped by Feinberg and Ettouhami [Int. J. Mod. Phys. B 7, 2085 (1993)] for","authors_text":"A. Erb, H. Keller, R. Puzniak, S. Bosma, S. Weyeneth","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-08-15T08:49:47Z","title":"Vortex lock-in transition coinciding with the 3D to 2D crossover in YBa2Cu3O7"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.3062","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":"sha256:79b877d932dc7fd0dd5ff1079768163d2ff2a213b11e1031cffb2cc64037d1be","target":"record","created_at":"2026-05-18T03:39:28Z","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":"01431a80afee4d784fff04520610d388bacd7a02b2c2d884a04aafcb9067f8d8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-08-15T08:49:47Z","title_canon_sha256":"025b73387e32329fd3a7ae16670923b719e4044c15cb616cda973a654730b1d0"},"schema_version":"1.0","source":{"id":"1208.3062","kind":"arxiv","version":1}},"canonical_sha256":"39c149fe95dfdf11245c3f7666f1e3c115a5892a497fd4713a2708307bfd40a7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"39c149fe95dfdf11245c3f7666f1e3c115a5892a497fd4713a2708307bfd40a7","first_computed_at":"2026-05-18T03:39:28.207132Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:39:28.207132Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XgQpnwuOMDY0+c+cG5Gvy4yOhTWpog4jsvNdVe0fHwtaeU66/bez/U0v3tQAXoIjZSW0hGsK2iY7rNubrQT/Cw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:39:28.207953Z","signed_message":"canonical_sha256_bytes"},"source_id":"1208.3062","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:79b877d932dc7fd0dd5ff1079768163d2ff2a213b11e1031cffb2cc64037d1be","sha256:f33003dbb027439748ab0c97f1ab897c155570ada8e3f9f04e8491676185a20a"],"state_sha256":"68d8a5a4ba135e11639364df82335860ec444b8a0fb93fcb903d6064b02d8cdf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R/8pJu56Y+IDlMV5Rfd+S+acXBbZVOu9WPXxP88SNNibgXwUHCDnJI/aAO6D7aLMC/9KVdkewb68cBqFN2gaCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T16:05:11.757762Z","bundle_sha256":"f2a261b599774c233beae6d753b6ef03cb682ab23cd647dd9aa83a0e4b6b3bfa"}}