{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:ZYWY4SGOFJ2YKH4KG7D2N3MUEN","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":"c639a305bc07a312dedd9bc37fadcbab54907ad31847648c7e94d8c9af119d31","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2008-10-30T19:08:50Z","title_canon_sha256":"b1acac1ae71abc4f75a6d72ca9dea4780e75375f00d707f59335ebb7e79819aa"},"schema_version":"1.0","source":{"id":"0810.5521","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0810.5521","created_at":"2026-05-18T02:15:22Z"},{"alias_kind":"arxiv_version","alias_value":"0810.5521v1","created_at":"2026-05-18T02:15:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0810.5521","created_at":"2026-05-18T02:15:22Z"},{"alias_kind":"pith_short_12","alias_value":"ZYWY4SGOFJ2Y","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"ZYWY4SGOFJ2YKH4K","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"ZYWY4SGO","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:d11520ed32d3b09393a68ea413067b021570bc2352999ef691907160a0ccb1d9","target":"graph","created_at":"2026-05-18T02:15:22Z","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":"By analyzing trajectories of solid hydrogen tracers in superfluid $^4$He, we identify tens of thousands of individual reconnection events between quantized vortices. We characterize the dynamics by the minimum separation distance $\\delta(t)$ between the two reconnecting vortices both before and after the events. Applying dimensional arguments, this separation has been predicted to behave asymptotically as $\\delta(t) \\approx A(\\kappa |t-t_0|)^{1/2}$, where $\\kappa=h/m$ is the quantum of circulation. The major finding of the experiments and their analysis is strong support for this asymptotic fo","authors_text":"D. P. Lathrop, Michael E. Fisher, M. S. Paoletti","cross_cats":["cond-mat.supr-con"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2008-10-30T19:08:50Z","title":"Reconnection Dynamics for Quantized Vortices"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0810.5521","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":"sha256:9e4f312b6c6c36a8775e81a68b489f49599085df2401aec0711dc79d1c681afe","target":"record","created_at":"2026-05-18T02:15:22Z","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":"c639a305bc07a312dedd9bc37fadcbab54907ad31847648c7e94d8c9af119d31","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2008-10-30T19:08:50Z","title_canon_sha256":"b1acac1ae71abc4f75a6d72ca9dea4780e75375f00d707f59335ebb7e79819aa"},"schema_version":"1.0","source":{"id":"0810.5521","kind":"arxiv","version":1}},"canonical_sha256":"ce2d8e48ce2a75851f8a37c7a6ed94237d16b1a79b935a8a8c02296ffc938800","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ce2d8e48ce2a75851f8a37c7a6ed94237d16b1a79b935a8a8c02296ffc938800","first_computed_at":"2026-05-18T02:15:22.827993Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:15:22.827993Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"I86mYYt2e8syn6DFNp7HwJRKIvOc+w4l5tb+I2+03fKNYiIWXDsItk0jks3mm15wau6EDDd0ku1TApBjDe5FAg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:15:22.828647Z","signed_message":"canonical_sha256_bytes"},"source_id":"0810.5521","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9e4f312b6c6c36a8775e81a68b489f49599085df2401aec0711dc79d1c681afe","sha256:d11520ed32d3b09393a68ea413067b021570bc2352999ef691907160a0ccb1d9"],"state_sha256":"5e14b17db28b241600845d1974868313ec777a8608193ea59eae1b5a47a3c68b"}