{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:XIKFV2XJKTP3SZTCLBLKYSHE3B","short_pith_number":"pith:XIKFV2XJ","canonical_record":{"source":{"id":"1105.1664","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2011-05-09T13:08:07Z","cross_cats_sorted":["cond-mat.soft"],"title_canon_sha256":"9cf945c8e4b241a5f74c738e07823be2a35327d566bc7bdd1227499695047b64","abstract_canon_sha256":"48085437eab6e8417fa51c9834d5e1b6d2c090c7d06998d77d89412d3ef45194"},"schema_version":"1.0"},"canonical_sha256":"ba145aeae954dfb966625856ac48e4d8651495d9656328174d0ba57dce63dcb7","source":{"kind":"arxiv","id":"1105.1664","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1105.1664","created_at":"2026-05-18T03:49:22Z"},{"alias_kind":"arxiv_version","alias_value":"1105.1664v1","created_at":"2026-05-18T03:49:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.1664","created_at":"2026-05-18T03:49:22Z"},{"alias_kind":"pith_short_12","alias_value":"XIKFV2XJKTP3","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_16","alias_value":"XIKFV2XJKTP3SZTC","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_8","alias_value":"XIKFV2XJ","created_at":"2026-05-18T12:26:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:XIKFV2XJKTP3SZTCLBLKYSHE3B","target":"record","payload":{"canonical_record":{"source":{"id":"1105.1664","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2011-05-09T13:08:07Z","cross_cats_sorted":["cond-mat.soft"],"title_canon_sha256":"9cf945c8e4b241a5f74c738e07823be2a35327d566bc7bdd1227499695047b64","abstract_canon_sha256":"48085437eab6e8417fa51c9834d5e1b6d2c090c7d06998d77d89412d3ef45194"},"schema_version":"1.0"},"canonical_sha256":"ba145aeae954dfb966625856ac48e4d8651495d9656328174d0ba57dce63dcb7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:49:22.373920Z","signature_b64":"bCiaAS89uLff0GK9bVl2IWZF4CqqH+fZ1nzStZ/JxPhH0KlWWj0KaVJ4LDLkel1i3FlbU517GNjSXtw9lHV0Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ba145aeae954dfb966625856ac48e4d8651495d9656328174d0ba57dce63dcb7","last_reissued_at":"2026-05-18T03:49:22.373261Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:49:22.373261Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1105.1664","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":"2026-05-18T03:49:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4dYNM6dRLuaJsfbqSOBmGYotC/ArV/7mFW3uSMFVZK0z+rCdFX5q7hguVpjI/fxC/U55fA5bx3Zg8A5u70ArDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T21:03:52.646123Z"},"content_sha256":"ae1cdf088ff2e21fbf08f19a311029e9694909d2be4398f251856f7c839c75c5","schema_version":"1.0","event_id":"sha256:ae1cdf088ff2e21fbf08f19a311029e9694909d2be4398f251856f7c839c75c5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:XIKFV2XJKTP3SZTCLBLKYSHE3B","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ground state structures of superparamagnetic 2D dusty plasma crystals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.soft"],"primary_cat":"physics.plasm-ph","authors_text":"Gabor J. Kalman, Marlene Rosenberg, Peter Hartmann, Zolt\\'an Donk\\'o","submitted_at":"2011-05-09T13:08:07Z","abstract_excerpt":"Ground state structures of finite, cylindrically confined two-dimensional Yukawa systems composed of charged superparamagnetic dust grains in an external magnetic field are investigated numerically, using molecular dynamic simulations and lattice summation methods. The ground state configuration of the system is identified using, as an approximation, the experimentally obtained shape of the horizontal confinement potential in a classical single layer dusty plasma experiment with non-magnetic grains. Results are presented for the dependence of the number density and lattice parameters of the du"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.1664","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":"2026-05-18T03:49:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oeSZwXu9XnkoB553/hVmIB6T75hDFuqFaAQI/pg/5VgDqPF7gZE6bBpj04JPTaU8ALHpMKVYfoyh8zb4tXmIBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T21:03:52.646542Z"},"content_sha256":"a8bc0bd676cedb523bb6bf245cbe2e6d97ef565064c7025aec75f701b87ef87c","schema_version":"1.0","event_id":"sha256:a8bc0bd676cedb523bb6bf245cbe2e6d97ef565064c7025aec75f701b87ef87c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XIKFV2XJKTP3SZTCLBLKYSHE3B/bundle.json","state_url":"https://pith.science/pith/XIKFV2XJKTP3SZTCLBLKYSHE3B/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XIKFV2XJKTP3SZTCLBLKYSHE3B/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":"2026-06-23T21:03:52Z","links":{"resolver":"https://pith.science/pith/XIKFV2XJKTP3SZTCLBLKYSHE3B","bundle":"https://pith.science/pith/XIKFV2XJKTP3SZTCLBLKYSHE3B/bundle.json","state":"https://pith.science/pith/XIKFV2XJKTP3SZTCLBLKYSHE3B/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XIKFV2XJKTP3SZTCLBLKYSHE3B/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:XIKFV2XJKTP3SZTCLBLKYSHE3B","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":"48085437eab6e8417fa51c9834d5e1b6d2c090c7d06998d77d89412d3ef45194","cross_cats_sorted":["cond-mat.soft"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2011-05-09T13:08:07Z","title_canon_sha256":"9cf945c8e4b241a5f74c738e07823be2a35327d566bc7bdd1227499695047b64"},"schema_version":"1.0","source":{"id":"1105.1664","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1105.1664","created_at":"2026-05-18T03:49:22Z"},{"alias_kind":"arxiv_version","alias_value":"1105.1664v1","created_at":"2026-05-18T03:49:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.1664","created_at":"2026-05-18T03:49:22Z"},{"alias_kind":"pith_short_12","alias_value":"XIKFV2XJKTP3","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_16","alias_value":"XIKFV2XJKTP3SZTC","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_8","alias_value":"XIKFV2XJ","created_at":"2026-05-18T12:26:44Z"}],"graph_snapshots":[{"event_id":"sha256:a8bc0bd676cedb523bb6bf245cbe2e6d97ef565064c7025aec75f701b87ef87c","target":"graph","created_at":"2026-05-18T03:49:22Z","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":"Ground state structures of finite, cylindrically confined two-dimensional Yukawa systems composed of charged superparamagnetic dust grains in an external magnetic field are investigated numerically, using molecular dynamic simulations and lattice summation methods. The ground state configuration of the system is identified using, as an approximation, the experimentally obtained shape of the horizontal confinement potential in a classical single layer dusty plasma experiment with non-magnetic grains. Results are presented for the dependence of the number density and lattice parameters of the du","authors_text":"Gabor J. Kalman, Marlene Rosenberg, Peter Hartmann, Zolt\\'an Donk\\'o","cross_cats":["cond-mat.soft"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2011-05-09T13:08:07Z","title":"Ground state structures of superparamagnetic 2D dusty plasma crystals"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.1664","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:ae1cdf088ff2e21fbf08f19a311029e9694909d2be4398f251856f7c839c75c5","target":"record","created_at":"2026-05-18T03:49:22Z","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":"48085437eab6e8417fa51c9834d5e1b6d2c090c7d06998d77d89412d3ef45194","cross_cats_sorted":["cond-mat.soft"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2011-05-09T13:08:07Z","title_canon_sha256":"9cf945c8e4b241a5f74c738e07823be2a35327d566bc7bdd1227499695047b64"},"schema_version":"1.0","source":{"id":"1105.1664","kind":"arxiv","version":1}},"canonical_sha256":"ba145aeae954dfb966625856ac48e4d8651495d9656328174d0ba57dce63dcb7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ba145aeae954dfb966625856ac48e4d8651495d9656328174d0ba57dce63dcb7","first_computed_at":"2026-05-18T03:49:22.373261Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:49:22.373261Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bCiaAS89uLff0GK9bVl2IWZF4CqqH+fZ1nzStZ/JxPhH0KlWWj0KaVJ4LDLkel1i3FlbU517GNjSXtw9lHV0Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:49:22.373920Z","signed_message":"canonical_sha256_bytes"},"source_id":"1105.1664","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ae1cdf088ff2e21fbf08f19a311029e9694909d2be4398f251856f7c839c75c5","sha256:a8bc0bd676cedb523bb6bf245cbe2e6d97ef565064c7025aec75f701b87ef87c"],"state_sha256":"82957005a6abb55e7f6a90f2027f7241e881d80c19a72b8bf79ae882abed3f84"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z72YfMUrbroXZlWg1EE88675fl2PqK0dB8354vpGR1UnqfHas2V2s3Q6aYvRHbcluJJY/RFgIQXbogBVTKxGCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-23T21:03:52.648507Z","bundle_sha256":"10623655335762e48270850f48f5baac001bc5525644da5e04eff82a98e5c082"}}