{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:MGZ3P2EIPZMAKREOCYZI5KJJ3L","short_pith_number":"pith:MGZ3P2EI","canonical_record":{"source":{"id":"1006.2058","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2010-06-10T15:19:52Z","cross_cats_sorted":[],"title_canon_sha256":"6d0316e7f7395204b553fde8181e022afd5ce24237693cda537857074c1b702f","abstract_canon_sha256":"3756af902bb3f4dfac521ced4353a1638b8080a189666d62427aa8a7524c23b7"},"schema_version":"1.0"},"canonical_sha256":"61b3b7e8887e5805448e16328ea929daf6f921e9462f4a3f87d4f5654168f1f1","source":{"kind":"arxiv","id":"1006.2058","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1006.2058","created_at":"2026-05-18T02:06:55Z"},{"alias_kind":"arxiv_version","alias_value":"1006.2058v1","created_at":"2026-05-18T02:06:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1006.2058","created_at":"2026-05-18T02:06:55Z"},{"alias_kind":"pith_short_12","alias_value":"MGZ3P2EIPZMA","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_16","alias_value":"MGZ3P2EIPZMAKREO","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_8","alias_value":"MGZ3P2EI","created_at":"2026-05-18T12:26:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:MGZ3P2EIPZMAKREOCYZI5KJJ3L","target":"record","payload":{"canonical_record":{"source":{"id":"1006.2058","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2010-06-10T15:19:52Z","cross_cats_sorted":[],"title_canon_sha256":"6d0316e7f7395204b553fde8181e022afd5ce24237693cda537857074c1b702f","abstract_canon_sha256":"3756af902bb3f4dfac521ced4353a1638b8080a189666d62427aa8a7524c23b7"},"schema_version":"1.0"},"canonical_sha256":"61b3b7e8887e5805448e16328ea929daf6f921e9462f4a3f87d4f5654168f1f1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:06:55.091590Z","signature_b64":"AWToZ+0dxES+Rs5Qr8JTSPrVJKWT7FJyfIP2rQ3FDM0nQoHsk6Hbhkc0sd50+hp0fsLQZon9WvThxMemRIQWDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"61b3b7e8887e5805448e16328ea929daf6f921e9462f4a3f87d4f5654168f1f1","last_reissued_at":"2026-05-18T02:06:55.090887Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:06:55.090887Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1006.2058","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":"2026-05-18T02:06:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"L6AWZsXyB997ejGlK5RLCmbmk1v4a1R9P84BfSDv96qlgyHncsNgBw6CEXbxpgiPPvMJjTwiiAxQu58qcCU4Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T00:33:31.095634Z"},"content_sha256":"f4d7926e1cba2594104f436eca4795c270d9320c9cd06b350833fddb791480d7","schema_version":"1.0","event_id":"sha256:f4d7926e1cba2594104f436eca4795c270d9320c9cd06b350833fddb791480d7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:MGZ3P2EIPZMAKREOCYZI5KJJ3L","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Yukawa particles confined in a channel and subject to a periodic potential: ground state and normal modes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"F. M. Peeters, G. A. Farias, J. C. N. Carvalho, W. P. Ferreira","submitted_at":"2010-06-10T15:19:52Z","abstract_excerpt":"We consider a classical system of two-dimensional (2D) charged particles, which interact through a repulsive Yukawa potential $exp(-r/\\lambda)/r$, confined in a parabolic channel which limits the motion of the particles in the $y$-direction. Along the $x$-direction, the particles are also subject to a periodic potential substrate. The ground state configurations and the normal mode spectra of the system are obtained as function of the periodicity and strength of the periodic potential ($V_0$), and density. An interesting set of tunable ground state configurations are found, with first and seco"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.2058","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":"2026-05-18T02:06:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yqPyGXAkHofic4Q1ZohvAUg3HHCCwg6dsRDa7p8WnzVaJ02Vo44TUQlYepRyKTnzeLd+pU45RDsFXUMj57PTAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T00:33:31.096299Z"},"content_sha256":"b0f2d25cdd470024e30b252ec28381f529b92590f67870160ae4dc08852ba299","schema_version":"1.0","event_id":"sha256:b0f2d25cdd470024e30b252ec28381f529b92590f67870160ae4dc08852ba299"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MGZ3P2EIPZMAKREOCYZI5KJJ3L/bundle.json","state_url":"https://pith.science/pith/MGZ3P2EIPZMAKREOCYZI5KJJ3L/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MGZ3P2EIPZMAKREOCYZI5KJJ3L/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":"2026-05-26T00:33:31Z","links":{"resolver":"https://pith.science/pith/MGZ3P2EIPZMAKREOCYZI5KJJ3L","bundle":"https://pith.science/pith/MGZ3P2EIPZMAKREOCYZI5KJJ3L/bundle.json","state":"https://pith.science/pith/MGZ3P2EIPZMAKREOCYZI5KJJ3L/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MGZ3P2EIPZMAKREOCYZI5KJJ3L/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:MGZ3P2EIPZMAKREOCYZI5KJJ3L","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":"3756af902bb3f4dfac521ced4353a1638b8080a189666d62427aa8a7524c23b7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2010-06-10T15:19:52Z","title_canon_sha256":"6d0316e7f7395204b553fde8181e022afd5ce24237693cda537857074c1b702f"},"schema_version":"1.0","source":{"id":"1006.2058","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1006.2058","created_at":"2026-05-18T02:06:55Z"},{"alias_kind":"arxiv_version","alias_value":"1006.2058v1","created_at":"2026-05-18T02:06:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1006.2058","created_at":"2026-05-18T02:06:55Z"},{"alias_kind":"pith_short_12","alias_value":"MGZ3P2EIPZMA","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_16","alias_value":"MGZ3P2EIPZMAKREO","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_8","alias_value":"MGZ3P2EI","created_at":"2026-05-18T12:26:10Z"}],"graph_snapshots":[{"event_id":"sha256:b0f2d25cdd470024e30b252ec28381f529b92590f67870160ae4dc08852ba299","target":"graph","created_at":"2026-05-18T02:06:55Z","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 a classical system of two-dimensional (2D) charged particles, which interact through a repulsive Yukawa potential $exp(-r/\\lambda)/r$, confined in a parabolic channel which limits the motion of the particles in the $y$-direction. Along the $x$-direction, the particles are also subject to a periodic potential substrate. The ground state configurations and the normal mode spectra of the system are obtained as function of the periodicity and strength of the periodic potential ($V_0$), and density. An interesting set of tunable ground state configurations are found, with first and seco","authors_text":"F. M. Peeters, G. A. Farias, J. C. N. Carvalho, W. P. Ferreira","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2010-06-10T15:19:52Z","title":"Yukawa particles confined in a channel and subject to a periodic potential: ground state and normal modes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.2058","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:f4d7926e1cba2594104f436eca4795c270d9320c9cd06b350833fddb791480d7","target":"record","created_at":"2026-05-18T02:06:55Z","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":"3756af902bb3f4dfac521ced4353a1638b8080a189666d62427aa8a7524c23b7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2010-06-10T15:19:52Z","title_canon_sha256":"6d0316e7f7395204b553fde8181e022afd5ce24237693cda537857074c1b702f"},"schema_version":"1.0","source":{"id":"1006.2058","kind":"arxiv","version":1}},"canonical_sha256":"61b3b7e8887e5805448e16328ea929daf6f921e9462f4a3f87d4f5654168f1f1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"61b3b7e8887e5805448e16328ea929daf6f921e9462f4a3f87d4f5654168f1f1","first_computed_at":"2026-05-18T02:06:55.090887Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:06:55.090887Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"AWToZ+0dxES+Rs5Qr8JTSPrVJKWT7FJyfIP2rQ3FDM0nQoHsk6Hbhkc0sd50+hp0fsLQZon9WvThxMemRIQWDg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:06:55.091590Z","signed_message":"canonical_sha256_bytes"},"source_id":"1006.2058","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f4d7926e1cba2594104f436eca4795c270d9320c9cd06b350833fddb791480d7","sha256:b0f2d25cdd470024e30b252ec28381f529b92590f67870160ae4dc08852ba299"],"state_sha256":"348bdbdfe931a8608154ad2a63757972935e24ef6a39e845fcb3e64a6208d593"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6WfqSdDevsTJxO81anFkywyRAR6ttBxrfaYdYR1JuaI6oUsAjdAz1y6HL5oNrtRjd7GaCg/maFUsaZ0YUl4/Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T00:33:31.099816Z","bundle_sha256":"bbdceb0bbf4104e8b33d367cf25f304b16fe37040476c29473df714ea1b69fe6"}}