{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:VEM2NRFWK6GE2J65SMVRXPNP47","short_pith_number":"pith:VEM2NRFW","canonical_record":{"source":{"id":"1402.4335","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2014-02-18T13:55:25Z","cross_cats_sorted":["physics.atm-clus","quant-ph"],"title_canon_sha256":"796441c74335348cd291180ee7f6d5f1ae7a8f7c1507fbb70cf362f87368fd0d","abstract_canon_sha256":"f36b52e705ed869cbd01c2f3b68918662f8e10c0d3cdfbdc3e19241e5dbd9cd4"},"schema_version":"1.0"},"canonical_sha256":"a919a6c4b6578c4d27dd932b1bbdafe7fe168359a62c5e1493eec8aca6a8731b","source":{"kind":"arxiv","id":"1402.4335","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.4335","created_at":"2026-05-18T02:45:31Z"},{"alias_kind":"arxiv_version","alias_value":"1402.4335v2","created_at":"2026-05-18T02:45:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.4335","created_at":"2026-05-18T02:45:31Z"},{"alias_kind":"pith_short_12","alias_value":"VEM2NRFWK6GE","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"VEM2NRFWK6GE2J65","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"VEM2NRFW","created_at":"2026-05-18T12:28:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:VEM2NRFWK6GE2J65SMVRXPNP47","target":"record","payload":{"canonical_record":{"source":{"id":"1402.4335","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2014-02-18T13:55:25Z","cross_cats_sorted":["physics.atm-clus","quant-ph"],"title_canon_sha256":"796441c74335348cd291180ee7f6d5f1ae7a8f7c1507fbb70cf362f87368fd0d","abstract_canon_sha256":"f36b52e705ed869cbd01c2f3b68918662f8e10c0d3cdfbdc3e19241e5dbd9cd4"},"schema_version":"1.0"},"canonical_sha256":"a919a6c4b6578c4d27dd932b1bbdafe7fe168359a62c5e1493eec8aca6a8731b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:45:31.681454Z","signature_b64":"pnsLzcDbNL48Amnfi0tgqJWU810Nqj5OW9JghjKm88wjIuQ9UBvc/IeqdnardP2I7o65neUWfTN448TUH35bDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a919a6c4b6578c4d27dd932b1bbdafe7fe168359a62c5e1493eec8aca6a8731b","last_reissued_at":"2026-05-18T02:45:31.680728Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:45:31.680728Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1402.4335","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:45:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DFPDgpqw3dCqfBWiJj3zZZM3bgr8ZKy6LsBZ52ME79SzvSFgX8VFQY0DsQPHNuWfca7Ye1c/uVCzmbd412l9BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T16:36:11.221817Z"},"content_sha256":"cc0bf454ea72e8809183e82471617d8919e158553b5e4b19016da28c764ae15c","schema_version":"1.0","event_id":"sha256:cc0bf454ea72e8809183e82471617d8919e158553b5e4b19016da28c764ae15c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:VEM2NRFWK6GE2J65SMVRXPNP47","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Formation of classical crystals of dipolar particles in a helical geometry","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atm-clus","quant-ph"],"primary_cat":"cond-mat.quant-gas","authors_text":"A. S. Jensen, D. V. Fedorov, J. K. Pedersen, N. T. Zinner","submitted_at":"2014-02-18T13:55:25Z","abstract_excerpt":"We consider crystal formation of particles with dipole-dipole interactions that are confined to move in a one-dimensional helical geometry with their dipole moments oriented along the symmetry axis of the confining helix. The stable classical lowest energy configurations are found to be chain structures for a large range of pitch-to-radius ratios for relatively low density of dipoles and a moderate total number of particles. The classical normal mode spectra support the chain interpretation both through structure and the distinct degeneracies depending discretely on the number of dipoles per r"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.4335","kind":"arxiv","version":2},"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":"2026-05-18T02:45:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gW8v+d0ud8+7CBun6Cqg3t36mPYGvaOQzvdeyZiBUMy8IpFPfNgjy3gxNARBNQRrTYG3XLg4z8ZcjVsy0YsCCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T16:36:11.222375Z"},"content_sha256":"22ac8cb03ddd69474dd7ffbf336d9586d4a5a06bfbf6e17d72c39c091cbe168a","schema_version":"1.0","event_id":"sha256:22ac8cb03ddd69474dd7ffbf336d9586d4a5a06bfbf6e17d72c39c091cbe168a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VEM2NRFWK6GE2J65SMVRXPNP47/bundle.json","state_url":"https://pith.science/pith/VEM2NRFWK6GE2J65SMVRXPNP47/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VEM2NRFWK6GE2J65SMVRXPNP47/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":"2026-05-25T16:36:11Z","links":{"resolver":"https://pith.science/pith/VEM2NRFWK6GE2J65SMVRXPNP47","bundle":"https://pith.science/pith/VEM2NRFWK6GE2J65SMVRXPNP47/bundle.json","state":"https://pith.science/pith/VEM2NRFWK6GE2J65SMVRXPNP47/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VEM2NRFWK6GE2J65SMVRXPNP47/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:VEM2NRFWK6GE2J65SMVRXPNP47","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":"f36b52e705ed869cbd01c2f3b68918662f8e10c0d3cdfbdc3e19241e5dbd9cd4","cross_cats_sorted":["physics.atm-clus","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2014-02-18T13:55:25Z","title_canon_sha256":"796441c74335348cd291180ee7f6d5f1ae7a8f7c1507fbb70cf362f87368fd0d"},"schema_version":"1.0","source":{"id":"1402.4335","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.4335","created_at":"2026-05-18T02:45:31Z"},{"alias_kind":"arxiv_version","alias_value":"1402.4335v2","created_at":"2026-05-18T02:45:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.4335","created_at":"2026-05-18T02:45:31Z"},{"alias_kind":"pith_short_12","alias_value":"VEM2NRFWK6GE","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"VEM2NRFWK6GE2J65","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"VEM2NRFW","created_at":"2026-05-18T12:28:52Z"}],"graph_snapshots":[{"event_id":"sha256:22ac8cb03ddd69474dd7ffbf336d9586d4a5a06bfbf6e17d72c39c091cbe168a","target":"graph","created_at":"2026-05-18T02:45:31Z","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 consider crystal formation of particles with dipole-dipole interactions that are confined to move in a one-dimensional helical geometry with their dipole moments oriented along the symmetry axis of the confining helix. The stable classical lowest energy configurations are found to be chain structures for a large range of pitch-to-radius ratios for relatively low density of dipoles and a moderate total number of particles. The classical normal mode spectra support the chain interpretation both through structure and the distinct degeneracies depending discretely on the number of dipoles per r","authors_text":"A. S. Jensen, D. V. Fedorov, J. K. Pedersen, N. T. Zinner","cross_cats":["physics.atm-clus","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2014-02-18T13:55:25Z","title":"Formation of classical crystals of dipolar particles in a helical geometry"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.4335","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:cc0bf454ea72e8809183e82471617d8919e158553b5e4b19016da28c764ae15c","target":"record","created_at":"2026-05-18T02:45:31Z","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":"f36b52e705ed869cbd01c2f3b68918662f8e10c0d3cdfbdc3e19241e5dbd9cd4","cross_cats_sorted":["physics.atm-clus","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2014-02-18T13:55:25Z","title_canon_sha256":"796441c74335348cd291180ee7f6d5f1ae7a8f7c1507fbb70cf362f87368fd0d"},"schema_version":"1.0","source":{"id":"1402.4335","kind":"arxiv","version":2}},"canonical_sha256":"a919a6c4b6578c4d27dd932b1bbdafe7fe168359a62c5e1493eec8aca6a8731b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a919a6c4b6578c4d27dd932b1bbdafe7fe168359a62c5e1493eec8aca6a8731b","first_computed_at":"2026-05-18T02:45:31.680728Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:45:31.680728Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pnsLzcDbNL48Amnfi0tgqJWU810Nqj5OW9JghjKm88wjIuQ9UBvc/IeqdnardP2I7o65neUWfTN448TUH35bDw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:45:31.681454Z","signed_message":"canonical_sha256_bytes"},"source_id":"1402.4335","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cc0bf454ea72e8809183e82471617d8919e158553b5e4b19016da28c764ae15c","sha256:22ac8cb03ddd69474dd7ffbf336d9586d4a5a06bfbf6e17d72c39c091cbe168a"],"state_sha256":"62253f0d01c9ab62b6fd546f286a4b90c5cefa487ffe13d890c49ee50a15ef02"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VUPBj8f1pcrX9lmx+Poebx7kB8Fud8VcT/OSVEMglmhEDtIBlyM0fqTVWMm6UDM8pXvh3a06oIYJo6hU0MTZBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T16:36:11.225122Z","bundle_sha256":"47bed553102938cf246ea0ab879a85a246bd49fceea1af2e64618a6356fe15f9"}}