{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:4ZCRHBVRQO4DXWNKCYZQJTXUGM","short_pith_number":"pith:4ZCRHBVR","canonical_record":{"source":{"id":"1504.07770","kind":"arxiv","version":5},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-04-29T08:43:13Z","cross_cats_sorted":[],"title_canon_sha256":"820900057acd7e86badee61f69c130594b4b7ba1a18e19c963d274c50f84afc4","abstract_canon_sha256":"7beec6bd328c3f926a3912d0c08e928fdfa45abf2adacb1d7f2dfac1c7612bf4"},"schema_version":"1.0"},"canonical_sha256":"e6451386b183b83bd9aa163304cef4330aefc31deb5623238c3e87cdbecb4f96","source":{"kind":"arxiv","id":"1504.07770","version":5},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.07770","created_at":"2026-05-18T01:18:09Z"},{"alias_kind":"arxiv_version","alias_value":"1504.07770v5","created_at":"2026-05-18T01:18:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.07770","created_at":"2026-05-18T01:18:09Z"},{"alias_kind":"pith_short_12","alias_value":"4ZCRHBVRQO4D","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_16","alias_value":"4ZCRHBVRQO4DXWNK","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_8","alias_value":"4ZCRHBVR","created_at":"2026-05-18T12:29:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:4ZCRHBVRQO4DXWNKCYZQJTXUGM","target":"record","payload":{"canonical_record":{"source":{"id":"1504.07770","kind":"arxiv","version":5},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-04-29T08:43:13Z","cross_cats_sorted":[],"title_canon_sha256":"820900057acd7e86badee61f69c130594b4b7ba1a18e19c963d274c50f84afc4","abstract_canon_sha256":"7beec6bd328c3f926a3912d0c08e928fdfa45abf2adacb1d7f2dfac1c7612bf4"},"schema_version":"1.0"},"canonical_sha256":"e6451386b183b83bd9aa163304cef4330aefc31deb5623238c3e87cdbecb4f96","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:18:09.855946Z","signature_b64":"dLXP5YtAaVAjmXb4RKnKHO1hQI2AsvlDVKH8vcjdK5HgXW/rnB0ngr91Te+8VLmmPMlu3STRcFxMLy/88qI0Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e6451386b183b83bd9aa163304cef4330aefc31deb5623238c3e87cdbecb4f96","last_reissued_at":"2026-05-18T01:18:09.855432Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:18:09.855432Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1504.07770","source_version":5,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:18:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eSPP+aVvsXGaMNtlZX3luiF2/Cok1y4lrrbQoJVsK/ydWv1pfd4oIMRPtLdRH5C4dT8Ja1qR0kL+KsMzQRb6Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T10:22:04.631885Z"},"content_sha256":"64053f5a8984ca765956e7d6683f2796e351dd668cfa6b5461f6115b54a1c91a","schema_version":"1.0","event_id":"sha256:64053f5a8984ca765956e7d6683f2796e351dd668cfa6b5461f6115b54a1c91a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:4ZCRHBVRQO4DXWNKCYZQJTXUGM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Decay of an isolated monopole into a Dirac monopole configuration","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"D. S. Hall, E. Ruokokoski, H. M\\\"akel\\\"a, K. Tiurev, M. M\\\"ott\\\"onen","submitted_at":"2015-04-29T08:43:13Z","abstract_excerpt":"We study numerically the detailed structure and decay dynamics of isolated monopoles in conditions similar to those of their recent experimental discovery. We find that the core of a monopole in the polar phase of a spin-1 Bose-Einstein condensate contains a small half-quantum vortex ring. Well after the creation of the monopole, we observe a dynamical quantum phase transition that destroys the polar phase. Strikingly, the resulting ferromagnetic order parameter exhibits a Dirac monopole in its synthetic magnetic field."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.07770","kind":"arxiv","version":5},"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":"2026-05-18T01:18:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FWtpbIt6NU8dv6oFGFFjMrzc7/C5uqaQlLE+3zd4ZGRCEapIqGhrHnRCE9kkBir9WPXX/msoG025DIqSHAHnCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T10:22:04.632631Z"},"content_sha256":"d8b656a3c379b3b520c67cce8c531260bac3258740a48d2d6b74b8fa9781fcad","schema_version":"1.0","event_id":"sha256:d8b656a3c379b3b520c67cce8c531260bac3258740a48d2d6b74b8fa9781fcad"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4ZCRHBVRQO4DXWNKCYZQJTXUGM/bundle.json","state_url":"https://pith.science/pith/4ZCRHBVRQO4DXWNKCYZQJTXUGM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4ZCRHBVRQO4DXWNKCYZQJTXUGM/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":"2026-05-25T10:22:04Z","links":{"resolver":"https://pith.science/pith/4ZCRHBVRQO4DXWNKCYZQJTXUGM","bundle":"https://pith.science/pith/4ZCRHBVRQO4DXWNKCYZQJTXUGM/bundle.json","state":"https://pith.science/pith/4ZCRHBVRQO4DXWNKCYZQJTXUGM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4ZCRHBVRQO4DXWNKCYZQJTXUGM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:4ZCRHBVRQO4DXWNKCYZQJTXUGM","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":"7beec6bd328c3f926a3912d0c08e928fdfa45abf2adacb1d7f2dfac1c7612bf4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-04-29T08:43:13Z","title_canon_sha256":"820900057acd7e86badee61f69c130594b4b7ba1a18e19c963d274c50f84afc4"},"schema_version":"1.0","source":{"id":"1504.07770","kind":"arxiv","version":5}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.07770","created_at":"2026-05-18T01:18:09Z"},{"alias_kind":"arxiv_version","alias_value":"1504.07770v5","created_at":"2026-05-18T01:18:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.07770","created_at":"2026-05-18T01:18:09Z"},{"alias_kind":"pith_short_12","alias_value":"4ZCRHBVRQO4D","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_16","alias_value":"4ZCRHBVRQO4DXWNK","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_8","alias_value":"4ZCRHBVR","created_at":"2026-05-18T12:29:05Z"}],"graph_snapshots":[{"event_id":"sha256:d8b656a3c379b3b520c67cce8c531260bac3258740a48d2d6b74b8fa9781fcad","target":"graph","created_at":"2026-05-18T01:18:09Z","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 study numerically the detailed structure and decay dynamics of isolated monopoles in conditions similar to those of their recent experimental discovery. We find that the core of a monopole in the polar phase of a spin-1 Bose-Einstein condensate contains a small half-quantum vortex ring. Well after the creation of the monopole, we observe a dynamical quantum phase transition that destroys the polar phase. Strikingly, the resulting ferromagnetic order parameter exhibits a Dirac monopole in its synthetic magnetic field.","authors_text":"D. S. Hall, E. Ruokokoski, H. M\\\"akel\\\"a, K. Tiurev, M. M\\\"ott\\\"onen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-04-29T08:43:13Z","title":"Decay of an isolated monopole into a Dirac monopole configuration"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.07770","kind":"arxiv","version":5},"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":"sha256:64053f5a8984ca765956e7d6683f2796e351dd668cfa6b5461f6115b54a1c91a","target":"record","created_at":"2026-05-18T01:18:09Z","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":"7beec6bd328c3f926a3912d0c08e928fdfa45abf2adacb1d7f2dfac1c7612bf4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-04-29T08:43:13Z","title_canon_sha256":"820900057acd7e86badee61f69c130594b4b7ba1a18e19c963d274c50f84afc4"},"schema_version":"1.0","source":{"id":"1504.07770","kind":"arxiv","version":5}},"canonical_sha256":"e6451386b183b83bd9aa163304cef4330aefc31deb5623238c3e87cdbecb4f96","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e6451386b183b83bd9aa163304cef4330aefc31deb5623238c3e87cdbecb4f96","first_computed_at":"2026-05-18T01:18:09.855432Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:18:09.855432Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dLXP5YtAaVAjmXb4RKnKHO1hQI2AsvlDVKH8vcjdK5HgXW/rnB0ngr91Te+8VLmmPMlu3STRcFxMLy/88qI0Dg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:18:09.855946Z","signed_message":"canonical_sha256_bytes"},"source_id":"1504.07770","source_kind":"arxiv","source_version":5}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:64053f5a8984ca765956e7d6683f2796e351dd668cfa6b5461f6115b54a1c91a","sha256:d8b656a3c379b3b520c67cce8c531260bac3258740a48d2d6b74b8fa9781fcad"],"state_sha256":"ae32788bc89360a5a97077212b236d6202b77f2e690f437da48f902443b2e7d2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1zY4bN96yiip9+HwSifq8HbbGAKlRmesGGIHDpcYh/3srKrvWDjB6uGD7ytVmT4SPaNPKrjNsFHemjKYg681Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T10:22:04.635538Z","bundle_sha256":"0912999b7ed1142c57d61cc03070a70286fbaac48a0e940a444dff6ec71a72dc"}}