{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:MEIQJUDZCRUH3KEM32JNO3XQEA","short_pith_number":"pith:MEIQJUDZ","canonical_record":{"source":{"id":"1403.2896","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2014-03-12T12:03:43Z","cross_cats_sorted":[],"title_canon_sha256":"ebd1d319f63afe75d43be610c996d7f84fad61580730c0ed6fcadf84a5bf89c7","abstract_canon_sha256":"4d9916790c42e6e3e1372c44008450e9ec6eb6009b6ea3a57b956506899a4557"},"schema_version":"1.0"},"canonical_sha256":"611104d07914687da88cde92d76ef020141a32bf5ff5e1412f3fa916a42927df","source":{"kind":"arxiv","id":"1403.2896","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1403.2896","created_at":"2026-05-18T02:55:03Z"},{"alias_kind":"arxiv_version","alias_value":"1403.2896v1","created_at":"2026-05-18T02:55:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.2896","created_at":"2026-05-18T02:55:03Z"},{"alias_kind":"pith_short_12","alias_value":"MEIQJUDZCRUH","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_16","alias_value":"MEIQJUDZCRUH3KEM","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_8","alias_value":"MEIQJUDZ","created_at":"2026-05-18T12:28:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:MEIQJUDZCRUH3KEM32JNO3XQEA","target":"record","payload":{"canonical_record":{"source":{"id":"1403.2896","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2014-03-12T12:03:43Z","cross_cats_sorted":[],"title_canon_sha256":"ebd1d319f63afe75d43be610c996d7f84fad61580730c0ed6fcadf84a5bf89c7","abstract_canon_sha256":"4d9916790c42e6e3e1372c44008450e9ec6eb6009b6ea3a57b956506899a4557"},"schema_version":"1.0"},"canonical_sha256":"611104d07914687da88cde92d76ef020141a32bf5ff5e1412f3fa916a42927df","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:55:03.577790Z","signature_b64":"4CKeSfkBKTasPfZ5aeOAx33iiN4/5DGdq/PT0f7fqtAinonZKy5dnGg1PYO35jP4lf3lfQy2NYO1TFpzXK8hDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"611104d07914687da88cde92d76ef020141a32bf5ff5e1412f3fa916a42927df","last_reissued_at":"2026-05-18T02:55:03.577214Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:55:03.577214Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1403.2896","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":"2026-05-18T02:55:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cFc0nnCDEzf1ZEKQ4HBpdG1jZHg08CNfOi83N/ujFZXe8ntCjCImOwezo+Q4ZLTqYwSNJvzIk7fkCh11HzXGDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T16:41:49.335073Z"},"content_sha256":"5374d59ad0884f6f708b31e893012561c68a9531f2d495510e1144fb1b27d7c4","schema_version":"1.0","event_id":"sha256:5374d59ad0884f6f708b31e893012561c68a9531f2d495510e1144fb1b27d7c4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:MEIQJUDZCRUH3KEM32JNO3XQEA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fluctuations in partitioning systems with few degrees of freedom","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.stat-mech","authors_text":"A. Sarracino, A. Vulpiani, D. Villamaina, G. Gradenigo, L. Cerino","submitted_at":"2014-03-12T12:03:43Z","abstract_excerpt":"We study the behavior of a moving wall in contact with a particle gas and subjected to an external force. We compare the fluctuations of the system observed in the microcanonical and canonical ensembles, at varying the number of particles. Static and dynamic correlations signal significant differences between the two ensembles. Furthermore, velocity-velocity correlations of the moving wall present a complex two-time relaxation which cannot be reproduced by a standard Langevin-like description. Quite remarkably, increasing the number of gas particles in an elongated geometry, we find a typical "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.2896","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":"2026-05-18T02:55:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YeIvZgY2a8Ma5bQJhns9w/+gsNLgCa+whdjlXBMwY5k3gGiLTtCL9vvmIm2IOucC8a16MfLJMAjuZBwVVPy+AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T16:41:49.335751Z"},"content_sha256":"78180515879a2e6fcbdb9352f1cdb88954a9b1308cb6bad9a0b7d6086bc4e916","schema_version":"1.0","event_id":"sha256:78180515879a2e6fcbdb9352f1cdb88954a9b1308cb6bad9a0b7d6086bc4e916"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MEIQJUDZCRUH3KEM32JNO3XQEA/bundle.json","state_url":"https://pith.science/pith/MEIQJUDZCRUH3KEM32JNO3XQEA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MEIQJUDZCRUH3KEM32JNO3XQEA/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":"2026-05-31T16:41:49Z","links":{"resolver":"https://pith.science/pith/MEIQJUDZCRUH3KEM32JNO3XQEA","bundle":"https://pith.science/pith/MEIQJUDZCRUH3KEM32JNO3XQEA/bundle.json","state":"https://pith.science/pith/MEIQJUDZCRUH3KEM32JNO3XQEA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MEIQJUDZCRUH3KEM32JNO3XQEA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:MEIQJUDZCRUH3KEM32JNO3XQEA","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":"4d9916790c42e6e3e1372c44008450e9ec6eb6009b6ea3a57b956506899a4557","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2014-03-12T12:03:43Z","title_canon_sha256":"ebd1d319f63afe75d43be610c996d7f84fad61580730c0ed6fcadf84a5bf89c7"},"schema_version":"1.0","source":{"id":"1403.2896","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1403.2896","created_at":"2026-05-18T02:55:03Z"},{"alias_kind":"arxiv_version","alias_value":"1403.2896v1","created_at":"2026-05-18T02:55:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.2896","created_at":"2026-05-18T02:55:03Z"},{"alias_kind":"pith_short_12","alias_value":"MEIQJUDZCRUH","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_16","alias_value":"MEIQJUDZCRUH3KEM","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_8","alias_value":"MEIQJUDZ","created_at":"2026-05-18T12:28:38Z"}],"graph_snapshots":[{"event_id":"sha256:78180515879a2e6fcbdb9352f1cdb88954a9b1308cb6bad9a0b7d6086bc4e916","target":"graph","created_at":"2026-05-18T02:55:03Z","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":"We study the behavior of a moving wall in contact with a particle gas and subjected to an external force. We compare the fluctuations of the system observed in the microcanonical and canonical ensembles, at varying the number of particles. Static and dynamic correlations signal significant differences between the two ensembles. Furthermore, velocity-velocity correlations of the moving wall present a complex two-time relaxation which cannot be reproduced by a standard Langevin-like description. Quite remarkably, increasing the number of gas particles in an elongated geometry, we find a typical ","authors_text":"A. Sarracino, A. Vulpiani, D. Villamaina, G. Gradenigo, L. Cerino","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2014-03-12T12:03:43Z","title":"Fluctuations in partitioning systems with few degrees of freedom"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.2896","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":"sha256:5374d59ad0884f6f708b31e893012561c68a9531f2d495510e1144fb1b27d7c4","target":"record","created_at":"2026-05-18T02:55:03Z","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":"4d9916790c42e6e3e1372c44008450e9ec6eb6009b6ea3a57b956506899a4557","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2014-03-12T12:03:43Z","title_canon_sha256":"ebd1d319f63afe75d43be610c996d7f84fad61580730c0ed6fcadf84a5bf89c7"},"schema_version":"1.0","source":{"id":"1403.2896","kind":"arxiv","version":1}},"canonical_sha256":"611104d07914687da88cde92d76ef020141a32bf5ff5e1412f3fa916a42927df","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"611104d07914687da88cde92d76ef020141a32bf5ff5e1412f3fa916a42927df","first_computed_at":"2026-05-18T02:55:03.577214Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:55:03.577214Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4CKeSfkBKTasPfZ5aeOAx33iiN4/5DGdq/PT0f7fqtAinonZKy5dnGg1PYO35jP4lf3lfQy2NYO1TFpzXK8hDA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:55:03.577790Z","signed_message":"canonical_sha256_bytes"},"source_id":"1403.2896","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5374d59ad0884f6f708b31e893012561c68a9531f2d495510e1144fb1b27d7c4","sha256:78180515879a2e6fcbdb9352f1cdb88954a9b1308cb6bad9a0b7d6086bc4e916"],"state_sha256":"7ddc6ff2d5778c39f718e6d6b2e2e9f1e1a46e6ee84b5af9963e62b58949f25b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QXUV8w0bNCFzxB1bi1YlZD7RIGb+Y4CZOYmZVy1ChR32KvGcb4tGSp/uCGbudtm1iUAiwS+qNTPzvLLOHfDgBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T16:41:49.340193Z","bundle_sha256":"b6bbf108f1a69cc5fcc2b213013234685da8045fa0723f7910f79557bcc6a7df"}}