{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:ZHCL4J2BWQIG6JYZLUQPBYAVFE","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":"356e062969f2dc2aef63977b7644e77184560959e4f809eea0f2c8b499a29c89","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2011-02-24T11:23:10Z","title_canon_sha256":"28c808b6f9c2dcd24dc6e7b0916584774d8ec69f9b8198997100ddcbe5eda162"},"schema_version":"1.0","source":{"id":"1102.4962","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1102.4962","created_at":"2026-05-18T02:03:05Z"},{"alias_kind":"arxiv_version","alias_value":"1102.4962v2","created_at":"2026-05-18T02:03:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.4962","created_at":"2026-05-18T02:03:05Z"},{"alias_kind":"pith_short_12","alias_value":"ZHCL4J2BWQIG","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_16","alias_value":"ZHCL4J2BWQIG6JYZ","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_8","alias_value":"ZHCL4J2B","created_at":"2026-05-18T12:26:47Z"}],"graph_snapshots":[{"event_id":"sha256:53daa84aba99fd260279c6e09189c140623d311af66e503d4d6eabfd7b3d5b5c","target":"graph","created_at":"2026-05-18T02:03:05Z","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 Monte Carlo simulations of a variant of the bond-fluctuation model without topological constraints we examine the center-of-mass (COM) dynamics of polymer melts in $d=3$ dimensions. Our analysis focuses on the COM displacement correlation function $\\CN(t) \\approx \\partial_t^2 \\MSDcmN(t)/2$, measuring the curvature of the COM mean-square displacement $\\MSDcmN(t)$. We demonstrate that $\\CN(t) \\approx -(\\RN/\\TN)^2 (\\rhostar/\\rho) \\ f(x=t/\\TN)$ with $N$ being the chain length ($16 \\le N \\le 8192$), $\\RN\\sim N^{1/2}$ the typical chain size, $\\TN\\sim N^2$ the longest chain relaxation time, $\\rho$","authors_text":"Albert Johner, Anna Cavallo, Hendrik Meyer, Jean Farago, Joachim P. Wittmer, J\\\"org Baschnagel, Patrycia Poli\\'nska","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2011-02-24T11:23:10Z","title":"Scale-free center-of-mass displacement correlations in dense polymer solutions and melts without topological constraints and momentum conservation: A bond-fluctuation model study"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.4962","kind":"arxiv","version":2},"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:c5eb3ddc3eb52d9d9bc78ea5a6407bf8f07c0a04d3155e38c77d37be33a46aa5","target":"record","created_at":"2026-05-18T02:03:05Z","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":"356e062969f2dc2aef63977b7644e77184560959e4f809eea0f2c8b499a29c89","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2011-02-24T11:23:10Z","title_canon_sha256":"28c808b6f9c2dcd24dc6e7b0916584774d8ec69f9b8198997100ddcbe5eda162"},"schema_version":"1.0","source":{"id":"1102.4962","kind":"arxiv","version":2}},"canonical_sha256":"c9c4be2741b4106f27195d20f0e015292849f9e1dc0de6a4270975584dc57cf1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c9c4be2741b4106f27195d20f0e015292849f9e1dc0de6a4270975584dc57cf1","first_computed_at":"2026-05-18T02:03:05.556965Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:03:05.556965Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Fhxv3Sz5vkFHXBb3GSfqhPzx7UuwYcacVVBq6fOIE46+XoEKrV59m4th3xeAckjFDVNwO+S+8kA7zf6j4POADQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:03:05.557448Z","signed_message":"canonical_sha256_bytes"},"source_id":"1102.4962","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c5eb3ddc3eb52d9d9bc78ea5a6407bf8f07c0a04d3155e38c77d37be33a46aa5","sha256:53daa84aba99fd260279c6e09189c140623d311af66e503d4d6eabfd7b3d5b5c"],"state_sha256":"df3a848dfba002782852662ab817621d873aebdcf5ccdfa43ba2a7e9d83a45bb"}