{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:B4E64Z5B63LTZF5IXE4XI46CZQ","short_pith_number":"pith:B4E64Z5B","schema_version":"1.0","canonical_sha256":"0f09ee67a1f6d73c97a8b9397473c2cc01648cf87966ec8952c87e11166dd180","source":{"kind":"arxiv","id":"1010.2217","version":3},"attestation_state":"computed","paper":{"title":"Easy plane baby skyrmions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.other"],"primary_cat":"hep-th","authors_text":"Juha J\\\"aykk\\\"a, Martin Speight","submitted_at":"2010-10-11T20:08:28Z","abstract_excerpt":"The baby Skyrme model is studied with a novel choice of potential, $V=1/2 \\phi_3^2$. This \"easy plane\" potential vanishes at the equator of the target two-sphere. Hence, in contrast to previously studied cases, the boundary value of the field breaks the residual SO(2) internal symmetry of the model. Consequently, even the unit charge skyrmion has only discrete symmetry and consists of a bound state of two half lumps. A model of long-range inter-skyrmion forces is developed wherein a unit skyrmion is pictured as a single scalar dipole inducing a massless scalar field tangential to the vacuum ma"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1010.2217","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2010-10-11T20:08:28Z","cross_cats_sorted":["cond-mat.other"],"title_canon_sha256":"8d59b7f89069a83b81c2038a2897ac167f3301c4666baa7fb90fcf09bdb4b1a8","abstract_canon_sha256":"ef9e843c42574452bf4c24059c80bf765a32fadf9ddcee0aacb5b080f3bd2353"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:23:46.046778Z","signature_b64":"+qkWOTFlchs4B75wpRipko3kBnbDqO+t+N4quhnSx9C2oaQ7chc17LvJpvc8/tPcWd2rQ1gds5w729hrpp1xCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0f09ee67a1f6d73c97a8b9397473c2cc01648cf87966ec8952c87e11166dd180","last_reissued_at":"2026-05-18T02:23:46.046100Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:23:46.046100Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Easy plane baby skyrmions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.other"],"primary_cat":"hep-th","authors_text":"Juha J\\\"aykk\\\"a, Martin Speight","submitted_at":"2010-10-11T20:08:28Z","abstract_excerpt":"The baby Skyrme model is studied with a novel choice of potential, $V=1/2 \\phi_3^2$. This \"easy plane\" potential vanishes at the equator of the target two-sphere. Hence, in contrast to previously studied cases, the boundary value of the field breaks the residual SO(2) internal symmetry of the model. Consequently, even the unit charge skyrmion has only discrete symmetry and consists of a bound state of two half lumps. A model of long-range inter-skyrmion forces is developed wherein a unit skyrmion is pictured as a single scalar dipole inducing a massless scalar field tangential to the vacuum ma"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.2217","kind":"arxiv","version":3},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1010.2217","created_at":"2026-05-18T02:23:46.046191+00:00"},{"alias_kind":"arxiv_version","alias_value":"1010.2217v3","created_at":"2026-05-18T02:23:46.046191+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.2217","created_at":"2026-05-18T02:23:46.046191+00:00"},{"alias_kind":"pith_short_12","alias_value":"B4E64Z5B63LT","created_at":"2026-05-18T12:26:05.355336+00:00"},{"alias_kind":"pith_short_16","alias_value":"B4E64Z5B63LTZF5I","created_at":"2026-05-18T12:26:05.355336+00:00"},{"alias_kind":"pith_short_8","alias_value":"B4E64Z5B","created_at":"2026-05-18T12:26:05.355336+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/B4E64Z5B63LTZF5IXE4XI46CZQ","json":"https://pith.science/pith/B4E64Z5B63LTZF5IXE4XI46CZQ.json","graph_json":"https://pith.science/api/pith-number/B4E64Z5B63LTZF5IXE4XI46CZQ/graph.json","events_json":"https://pith.science/api/pith-number/B4E64Z5B63LTZF5IXE4XI46CZQ/events.json","paper":"https://pith.science/paper/B4E64Z5B"},"agent_actions":{"view_html":"https://pith.science/pith/B4E64Z5B63LTZF5IXE4XI46CZQ","download_json":"https://pith.science/pith/B4E64Z5B63LTZF5IXE4XI46CZQ.json","view_paper":"https://pith.science/paper/B4E64Z5B","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1010.2217&json=true","fetch_graph":"https://pith.science/api/pith-number/B4E64Z5B63LTZF5IXE4XI46CZQ/graph.json","fetch_events":"https://pith.science/api/pith-number/B4E64Z5B63LTZF5IXE4XI46CZQ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/B4E64Z5B63LTZF5IXE4XI46CZQ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/B4E64Z5B63LTZF5IXE4XI46CZQ/action/storage_attestation","attest_author":"https://pith.science/pith/B4E64Z5B63LTZF5IXE4XI46CZQ/action/author_attestation","sign_citation":"https://pith.science/pith/B4E64Z5B63LTZF5IXE4XI46CZQ/action/citation_signature","submit_replication":"https://pith.science/pith/B4E64Z5B63LTZF5IXE4XI46CZQ/action/replication_record"}},"created_at":"2026-05-18T02:23:46.046191+00:00","updated_at":"2026-05-18T02:23:46.046191+00:00"}