{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:VBDJBMZ3XIQHSHFU3TWE35XWGU","short_pith_number":"pith:VBDJBMZ3","canonical_record":{"source":{"id":"1502.05189","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-02-18T12:00:33Z","cross_cats_sorted":[],"title_canon_sha256":"e999c5ae3cc9bada021bc900cf8b189aa08634a923c746776c8a16bfd361a6c6","abstract_canon_sha256":"7a9e7aeda6a957e3a6008eb68bbf56dc41b221a07b7d5cf04e3fa930853413c4"},"schema_version":"1.0"},"canonical_sha256":"a84690b33bba20791cb4dcec4df6f6351d6f829c0e658c1cc6474e3fdff164a5","source":{"kind":"arxiv","id":"1502.05189","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.05189","created_at":"2026-05-18T01:41:00Z"},{"alias_kind":"arxiv_version","alias_value":"1502.05189v1","created_at":"2026-05-18T01:41:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.05189","created_at":"2026-05-18T01:41:00Z"},{"alias_kind":"pith_short_12","alias_value":"VBDJBMZ3XIQH","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_16","alias_value":"VBDJBMZ3XIQHSHFU","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_8","alias_value":"VBDJBMZ3","created_at":"2026-05-18T12:29:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:VBDJBMZ3XIQHSHFU3TWE35XWGU","target":"record","payload":{"canonical_record":{"source":{"id":"1502.05189","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-02-18T12:00:33Z","cross_cats_sorted":[],"title_canon_sha256":"e999c5ae3cc9bada021bc900cf8b189aa08634a923c746776c8a16bfd361a6c6","abstract_canon_sha256":"7a9e7aeda6a957e3a6008eb68bbf56dc41b221a07b7d5cf04e3fa930853413c4"},"schema_version":"1.0"},"canonical_sha256":"a84690b33bba20791cb4dcec4df6f6351d6f829c0e658c1cc6474e3fdff164a5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:41:00.976030Z","signature_b64":"H1v91ko1ORxk5U7k3A/ev6BRjbNwh2Iu+mq8hf7hTEL1VNV7u9NdJH53Q4FFWYqF5uCS0ZUxLYJintmhS9SyDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a84690b33bba20791cb4dcec4df6f6351d6f829c0e658c1cc6474e3fdff164a5","last_reissued_at":"2026-05-18T01:41:00.975356Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:41:00.975356Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1502.05189","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":"2026-05-18T01:41:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JwWt0L18Eoc+YouHC3NbYQGixoShkgV29zGjLReuyOrNJ8KNHa1b72RvTZ+2UxpSedoFyoNTWQxZdG+FJMrkBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T14:21:48.902082Z"},"content_sha256":"194476db9ea5fe21806fb4c29facd8e7c3a8b00479f3ac1574772900fd70c99f","schema_version":"1.0","event_id":"sha256:194476db9ea5fe21806fb4c29facd8e7c3a8b00479f3ac1574772900fd70c99f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:VBDJBMZ3XIQHSHFU3TWE35XWGU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Entropy and Kinetics of Point-Defects in Two-Dimensional Dipolar Crystals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Christoph Dellago, David Polster, Georg Maret, Peter Keim, Wolfgang Lechner","submitted_at":"2015-02-18T12:00:33Z","abstract_excerpt":"We study in experiment and with computer simulation the free energy and the kinetics of vacancy and interstitial defects in two-dimensional dipolar crystals. The defects appear in different local topologies which we characterize by their point group symmetry; $C_n$ is the n-fold cyclic group and $D_n$ is the dihedral group, including reflections. The frequency of different local topologies is not determined by their almost degenerate energies but dominated by entropy for symmetric configurations. The kinetics of the defects is fully reproduced by a master equation in a multi-state Markov model"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.05189","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":"2026-05-18T01:41:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MwGBemG6Li+VccHglQUz0SIaa0LUb0abFw6eKsUzf5LoGTYBLPjDLdNk80c86/4S6+l5piHqwu4XjBeqdRpgBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T14:21:48.902767Z"},"content_sha256":"44d1d75f6b9cd14067b1c1cd01705ab1a4ec2f0b5a2167da6c024c8ce0782a95","schema_version":"1.0","event_id":"sha256:44d1d75f6b9cd14067b1c1cd01705ab1a4ec2f0b5a2167da6c024c8ce0782a95"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VBDJBMZ3XIQHSHFU3TWE35XWGU/bundle.json","state_url":"https://pith.science/pith/VBDJBMZ3XIQHSHFU3TWE35XWGU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VBDJBMZ3XIQHSHFU3TWE35XWGU/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":"2026-05-27T14:21:48Z","links":{"resolver":"https://pith.science/pith/VBDJBMZ3XIQHSHFU3TWE35XWGU","bundle":"https://pith.science/pith/VBDJBMZ3XIQHSHFU3TWE35XWGU/bundle.json","state":"https://pith.science/pith/VBDJBMZ3XIQHSHFU3TWE35XWGU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VBDJBMZ3XIQHSHFU3TWE35XWGU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:VBDJBMZ3XIQHSHFU3TWE35XWGU","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":"7a9e7aeda6a957e3a6008eb68bbf56dc41b221a07b7d5cf04e3fa930853413c4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-02-18T12:00:33Z","title_canon_sha256":"e999c5ae3cc9bada021bc900cf8b189aa08634a923c746776c8a16bfd361a6c6"},"schema_version":"1.0","source":{"id":"1502.05189","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.05189","created_at":"2026-05-18T01:41:00Z"},{"alias_kind":"arxiv_version","alias_value":"1502.05189v1","created_at":"2026-05-18T01:41:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.05189","created_at":"2026-05-18T01:41:00Z"},{"alias_kind":"pith_short_12","alias_value":"VBDJBMZ3XIQH","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_16","alias_value":"VBDJBMZ3XIQHSHFU","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_8","alias_value":"VBDJBMZ3","created_at":"2026-05-18T12:29:44Z"}],"graph_snapshots":[{"event_id":"sha256:44d1d75f6b9cd14067b1c1cd01705ab1a4ec2f0b5a2167da6c024c8ce0782a95","target":"graph","created_at":"2026-05-18T01:41:00Z","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 in experiment and with computer simulation the free energy and the kinetics of vacancy and interstitial defects in two-dimensional dipolar crystals. The defects appear in different local topologies which we characterize by their point group symmetry; $C_n$ is the n-fold cyclic group and $D_n$ is the dihedral group, including reflections. The frequency of different local topologies is not determined by their almost degenerate energies but dominated by entropy for symmetric configurations. The kinetics of the defects is fully reproduced by a master equation in a multi-state Markov model","authors_text":"Christoph Dellago, David Polster, Georg Maret, Peter Keim, Wolfgang Lechner","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-02-18T12:00:33Z","title":"Entropy and Kinetics of Point-Defects in Two-Dimensional Dipolar Crystals"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.05189","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":"sha256:194476db9ea5fe21806fb4c29facd8e7c3a8b00479f3ac1574772900fd70c99f","target":"record","created_at":"2026-05-18T01:41:00Z","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":"7a9e7aeda6a957e3a6008eb68bbf56dc41b221a07b7d5cf04e3fa930853413c4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-02-18T12:00:33Z","title_canon_sha256":"e999c5ae3cc9bada021bc900cf8b189aa08634a923c746776c8a16bfd361a6c6"},"schema_version":"1.0","source":{"id":"1502.05189","kind":"arxiv","version":1}},"canonical_sha256":"a84690b33bba20791cb4dcec4df6f6351d6f829c0e658c1cc6474e3fdff164a5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a84690b33bba20791cb4dcec4df6f6351d6f829c0e658c1cc6474e3fdff164a5","first_computed_at":"2026-05-18T01:41:00.975356Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:41:00.975356Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"H1v91ko1ORxk5U7k3A/ev6BRjbNwh2Iu+mq8hf7hTEL1VNV7u9NdJH53Q4FFWYqF5uCS0ZUxLYJintmhS9SyDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:41:00.976030Z","signed_message":"canonical_sha256_bytes"},"source_id":"1502.05189","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:194476db9ea5fe21806fb4c29facd8e7c3a8b00479f3ac1574772900fd70c99f","sha256:44d1d75f6b9cd14067b1c1cd01705ab1a4ec2f0b5a2167da6c024c8ce0782a95"],"state_sha256":"d08e08916d974ec39e5b5a9772c6aaac98c963a6c48bd81e9caa07b783cbddbf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VhLFsLJlgrArdEQMVueRCCoczbGa05U9u4oCFtqvMweZSF0NVyiIjohUox9dbDeGmCmwk4aqs3Xj9xcTXVbOBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T14:21:48.906185Z","bundle_sha256":"ce910296d7fe6ef477c05c5e05d6811e3a3a1d5d34ccdfee99791aeb41423811"}}