{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:EQCFSUMXQYJFFCJOE7B7ZEVHUS","short_pith_number":"pith:EQCFSUMX","canonical_record":{"source":{"id":"1810.04435","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-10-10T09:40:14Z","cross_cats_sorted":["cond-mat.other","cond-mat.soft","physics.chem-ph"],"title_canon_sha256":"88c461568fbb81b48f9d48e24330a3f545aa6baaac241e41d7bcabf4cf5e6b9e","abstract_canon_sha256":"8c6b7fce3690f2ed0d4d4a78ae7d706be6b01921b7d04762467e2040ec6422f3"},"schema_version":"1.0"},"canonical_sha256":"2404595197861252892e27c3fc92a7a480eb3c183c8db8931cecfecf8444a6eb","source":{"kind":"arxiv","id":"1810.04435","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.04435","created_at":"2026-05-18T00:03:40Z"},{"alias_kind":"arxiv_version","alias_value":"1810.04435v1","created_at":"2026-05-18T00:03:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.04435","created_at":"2026-05-18T00:03:40Z"},{"alias_kind":"pith_short_12","alias_value":"EQCFSUMXQYJF","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_16","alias_value":"EQCFSUMXQYJFFCJO","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_8","alias_value":"EQCFSUMX","created_at":"2026-05-18T12:32:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:EQCFSUMXQYJFFCJOE7B7ZEVHUS","target":"record","payload":{"canonical_record":{"source":{"id":"1810.04435","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-10-10T09:40:14Z","cross_cats_sorted":["cond-mat.other","cond-mat.soft","physics.chem-ph"],"title_canon_sha256":"88c461568fbb81b48f9d48e24330a3f545aa6baaac241e41d7bcabf4cf5e6b9e","abstract_canon_sha256":"8c6b7fce3690f2ed0d4d4a78ae7d706be6b01921b7d04762467e2040ec6422f3"},"schema_version":"1.0"},"canonical_sha256":"2404595197861252892e27c3fc92a7a480eb3c183c8db8931cecfecf8444a6eb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:03:40.128700Z","signature_b64":"U7I6sSen2hU1It8KvoLGQ9HhxIiRV+CvyR1Byi6kXzOaq521pmS/dkOMwfWJid2ql1mtzl1PL8jna0KW4o2CDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2404595197861252892e27c3fc92a7a480eb3c183c8db8931cecfecf8444a6eb","last_reissued_at":"2026-05-18T00:03:40.128050Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:03:40.128050Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.04435","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":"2026-05-18T00:03:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YqOTstqvoix9qau8nqIK6mdqCXuDLJxKQkvX+Ca9oiI85GcyXvTgzie4gmYDyY6ucmLASE+HwEc4j/YHBwduBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T18:44:09.990651Z"},"content_sha256":"455af257996a74b8992091b116bfa8990962f4af9e9620ed61dc5aef26996944","schema_version":"1.0","event_id":"sha256:455af257996a74b8992091b116bfa8990962f4af9e9620ed61dc5aef26996944"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:EQCFSUMXQYJFFCJOE7B7ZEVHUS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Collective modes of two-dimensional classical Coulomb fluids","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.other","cond-mat.soft","physics.chem-ph"],"primary_cat":"physics.plasm-ph","authors_text":"A. G. Khrapak, L. A. Mistryukova, N. P. Kryuchkov, S. A. Khrapak, S. O. Yurchenko","submitted_at":"2018-10-10T09:40:14Z","abstract_excerpt":"Molecular dynamics simulations have been performed to investigate in detail collective modes spectra of two-dimensional Coulomb fluids in a wide range of coupling. The obtained dispersion relations are compared with theoretical approaches based on quasi-crystalline approximation (QCA), also known as the quasi-localized charge approximation (QLCA) in the plasma-related context. An overall satisfactory agreement between theory and simulations is documented for the longitudinal mode at moderate coupling and in the long-wavelength domain at strong coupling. For the transverse mode, satisfactory ag"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.04435","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":"2026-05-18T00:03:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ukE7Dbe8MbYdqWegH0XTNpiC4HLw+ppr4vGVn/mg/x+qPZ0mtiSg8EozQiJnsQrdJ0qQNhjB/9BLfxLjrBFECQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T18:44:09.991008Z"},"content_sha256":"9ebdb9018151ed4f6143f5ee208e223f895e8e3b860e48fc4c08e6e2b4fe6e10","schema_version":"1.0","event_id":"sha256:9ebdb9018151ed4f6143f5ee208e223f895e8e3b860e48fc4c08e6e2b4fe6e10"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EQCFSUMXQYJFFCJOE7B7ZEVHUS/bundle.json","state_url":"https://pith.science/pith/EQCFSUMXQYJFFCJOE7B7ZEVHUS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EQCFSUMXQYJFFCJOE7B7ZEVHUS/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":"2026-06-01T18:44:09Z","links":{"resolver":"https://pith.science/pith/EQCFSUMXQYJFFCJOE7B7ZEVHUS","bundle":"https://pith.science/pith/EQCFSUMXQYJFFCJOE7B7ZEVHUS/bundle.json","state":"https://pith.science/pith/EQCFSUMXQYJFFCJOE7B7ZEVHUS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EQCFSUMXQYJFFCJOE7B7ZEVHUS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:EQCFSUMXQYJFFCJOE7B7ZEVHUS","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":"8c6b7fce3690f2ed0d4d4a78ae7d706be6b01921b7d04762467e2040ec6422f3","cross_cats_sorted":["cond-mat.other","cond-mat.soft","physics.chem-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-10-10T09:40:14Z","title_canon_sha256":"88c461568fbb81b48f9d48e24330a3f545aa6baaac241e41d7bcabf4cf5e6b9e"},"schema_version":"1.0","source":{"id":"1810.04435","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.04435","created_at":"2026-05-18T00:03:40Z"},{"alias_kind":"arxiv_version","alias_value":"1810.04435v1","created_at":"2026-05-18T00:03:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.04435","created_at":"2026-05-18T00:03:40Z"},{"alias_kind":"pith_short_12","alias_value":"EQCFSUMXQYJF","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_16","alias_value":"EQCFSUMXQYJFFCJO","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_8","alias_value":"EQCFSUMX","created_at":"2026-05-18T12:32:22Z"}],"graph_snapshots":[{"event_id":"sha256:9ebdb9018151ed4f6143f5ee208e223f895e8e3b860e48fc4c08e6e2b4fe6e10","target":"graph","created_at":"2026-05-18T00:03:40Z","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":"Molecular dynamics simulations have been performed to investigate in detail collective modes spectra of two-dimensional Coulomb fluids in a wide range of coupling. The obtained dispersion relations are compared with theoretical approaches based on quasi-crystalline approximation (QCA), also known as the quasi-localized charge approximation (QLCA) in the plasma-related context. An overall satisfactory agreement between theory and simulations is documented for the longitudinal mode at moderate coupling and in the long-wavelength domain at strong coupling. For the transverse mode, satisfactory ag","authors_text":"A. G. Khrapak, L. A. Mistryukova, N. P. Kryuchkov, S. A. Khrapak, S. O. Yurchenko","cross_cats":["cond-mat.other","cond-mat.soft","physics.chem-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-10-10T09:40:14Z","title":"Collective modes of two-dimensional classical Coulomb fluids"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.04435","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":"sha256:455af257996a74b8992091b116bfa8990962f4af9e9620ed61dc5aef26996944","target":"record","created_at":"2026-05-18T00:03:40Z","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":"8c6b7fce3690f2ed0d4d4a78ae7d706be6b01921b7d04762467e2040ec6422f3","cross_cats_sorted":["cond-mat.other","cond-mat.soft","physics.chem-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-10-10T09:40:14Z","title_canon_sha256":"88c461568fbb81b48f9d48e24330a3f545aa6baaac241e41d7bcabf4cf5e6b9e"},"schema_version":"1.0","source":{"id":"1810.04435","kind":"arxiv","version":1}},"canonical_sha256":"2404595197861252892e27c3fc92a7a480eb3c183c8db8931cecfecf8444a6eb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2404595197861252892e27c3fc92a7a480eb3c183c8db8931cecfecf8444a6eb","first_computed_at":"2026-05-18T00:03:40.128050Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:03:40.128050Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"U7I6sSen2hU1It8KvoLGQ9HhxIiRV+CvyR1Byi6kXzOaq521pmS/dkOMwfWJid2ql1mtzl1PL8jna0KW4o2CDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:03:40.128700Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.04435","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:455af257996a74b8992091b116bfa8990962f4af9e9620ed61dc5aef26996944","sha256:9ebdb9018151ed4f6143f5ee208e223f895e8e3b860e48fc4c08e6e2b4fe6e10"],"state_sha256":"ebf39d43dd6486050d3286c8aab74d3695a7d15fa82772d8892a96edcbcf4f7a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6w+Se7L02cNgfyUjG6VVt/+Vx7z+WOdiGnxZ/PtU7z3J5lJPg+VJty1VHfLsyWNPyGLwGtEWpgnz7HsrW76NAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T18:44:09.993011Z","bundle_sha256":"eba60e7f05776fc494e3b62989969a325003afd8faaf0c455a164ee7b6c0ebf1"}}