{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:B4E64Z5B63LTZF5IXE4XI46CZQ","short_pith_number":"pith:B4E64Z5B","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"},"canonical_sha256":"0f09ee67a1f6d73c97a8b9397473c2cc01648cf87966ec8952c87e11166dd180","source":{"kind":"arxiv","id":"1010.2217","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1010.2217","created_at":"2026-05-18T02:23:46Z"},{"alias_kind":"arxiv_version","alias_value":"1010.2217v3","created_at":"2026-05-18T02:23:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.2217","created_at":"2026-05-18T02:23:46Z"},{"alias_kind":"pith_short_12","alias_value":"B4E64Z5B63LT","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_16","alias_value":"B4E64Z5B63LTZF5I","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_8","alias_value":"B4E64Z5B","created_at":"2026-05-18T12:26:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:B4E64Z5B63LTZF5IXE4XI46CZQ","target":"record","payload":{"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"},"canonical_sha256":"0f09ee67a1f6d73c97a8b9397473c2cc01648cf87966ec8952c87e11166dd180","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"},"source_kind":"arxiv","source_id":"1010.2217","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:23:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qIyhuOfb2rD7j6A61CDZHfdDqUkJCSwkZF3y8dn4kFYcs6mMSzBVKWFNQw2Dr5PV8MCUupGT+Lz7W+MTTbnRBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T15:08:10.999089Z"},"content_sha256":"80fc2b5c7e798c7154cd974174bd2862c5ca028ed2504373a5b213a554076573","schema_version":"1.0","event_id":"sha256:80fc2b5c7e798c7154cd974174bd2862c5ca028ed2504373a5b213a554076573"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:B4E64Z5B63LTZF5IXE4XI46CZQ","target":"graph","payload":{"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:23:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HJVjiC4SQWVEogNTgheY3tCww1gxiRo9KZ3ethRgixerWJA69KsuNjCHh1i7ruOU6tqIrhVI9/a5Kg7kLRHhBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T15:08:10.999805Z"},"content_sha256":"f2efa7eef0cc56e2bf8c6ff395f13b3e10685af34406163f88d9f43ea27511bd","schema_version":"1.0","event_id":"sha256:f2efa7eef0cc56e2bf8c6ff395f13b3e10685af34406163f88d9f43ea27511bd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/B4E64Z5B63LTZF5IXE4XI46CZQ/bundle.json","state_url":"https://pith.science/pith/B4E64Z5B63LTZF5IXE4XI46CZQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/B4E64Z5B63LTZF5IXE4XI46CZQ/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":"2026-06-06T15:08:11Z","links":{"resolver":"https://pith.science/pith/B4E64Z5B63LTZF5IXE4XI46CZQ","bundle":"https://pith.science/pith/B4E64Z5B63LTZF5IXE4XI46CZQ/bundle.json","state":"https://pith.science/pith/B4E64Z5B63LTZF5IXE4XI46CZQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/B4E64Z5B63LTZF5IXE4XI46CZQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:B4E64Z5B63LTZF5IXE4XI46CZQ","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":"ef9e843c42574452bf4c24059c80bf765a32fadf9ddcee0aacb5b080f3bd2353","cross_cats_sorted":["cond-mat.other"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2010-10-11T20:08:28Z","title_canon_sha256":"8d59b7f89069a83b81c2038a2897ac167f3301c4666baa7fb90fcf09bdb4b1a8"},"schema_version":"1.0","source":{"id":"1010.2217","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1010.2217","created_at":"2026-05-18T02:23:46Z"},{"alias_kind":"arxiv_version","alias_value":"1010.2217v3","created_at":"2026-05-18T02:23:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.2217","created_at":"2026-05-18T02:23:46Z"},{"alias_kind":"pith_short_12","alias_value":"B4E64Z5B63LT","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_16","alias_value":"B4E64Z5B63LTZF5I","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_8","alias_value":"B4E64Z5B","created_at":"2026-05-18T12:26:05Z"}],"graph_snapshots":[{"event_id":"sha256:f2efa7eef0cc56e2bf8c6ff395f13b3e10685af34406163f88d9f43ea27511bd","target":"graph","created_at":"2026-05-18T02:23:46Z","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":"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","authors_text":"Juha J\\\"aykk\\\"a, Martin Speight","cross_cats":["cond-mat.other"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2010-10-11T20:08:28Z","title":"Easy plane baby skyrmions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.2217","kind":"arxiv","version":3},"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":"sha256:80fc2b5c7e798c7154cd974174bd2862c5ca028ed2504373a5b213a554076573","target":"record","created_at":"2026-05-18T02:23:46Z","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":"ef9e843c42574452bf4c24059c80bf765a32fadf9ddcee0aacb5b080f3bd2353","cross_cats_sorted":["cond-mat.other"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2010-10-11T20:08:28Z","title_canon_sha256":"8d59b7f89069a83b81c2038a2897ac167f3301c4666baa7fb90fcf09bdb4b1a8"},"schema_version":"1.0","source":{"id":"1010.2217","kind":"arxiv","version":3}},"canonical_sha256":"0f09ee67a1f6d73c97a8b9397473c2cc01648cf87966ec8952c87e11166dd180","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0f09ee67a1f6d73c97a8b9397473c2cc01648cf87966ec8952c87e11166dd180","first_computed_at":"2026-05-18T02:23:46.046100Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:23:46.046100Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+qkWOTFlchs4B75wpRipko3kBnbDqO+t+N4quhnSx9C2oaQ7chc17LvJpvc8/tPcWd2rQ1gds5w729hrpp1xCA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:23:46.046778Z","signed_message":"canonical_sha256_bytes"},"source_id":"1010.2217","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:80fc2b5c7e798c7154cd974174bd2862c5ca028ed2504373a5b213a554076573","sha256:f2efa7eef0cc56e2bf8c6ff395f13b3e10685af34406163f88d9f43ea27511bd"],"state_sha256":"709e6a31831d7f7227607ac0f24b1f2fb34355a5e28cbe450e1978ff557394b1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ytiGKDQYaFMn8ug3I8tnKHwFx8vVPeyREUgs28vEbD/tCVtl7jp9B+mPfSN0QsOfjdtDANeO65mHIO4ns3IMAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T15:08:11.003697Z","bundle_sha256":"4dc0aaac691f9acd2e7b1cec108ba79bc4c34612d638496f84e9a75843902a41"}}