{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:O3WNVTRROMXP6JWRNDZGZRQRIW","short_pith_number":"pith:O3WNVTRR","canonical_record":{"source":{"id":"1806.00174","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-06-01T02:50:30Z","cross_cats_sorted":[],"title_canon_sha256":"9f4e981a5276548914f21629d6dfa65380bd3a7b347336c9ef343887d80e6fc2","abstract_canon_sha256":"42b41be7ec47f803c5ccf57a3bc755adb45ac51901b4748062e9bf3ce90a8b45"},"schema_version":"1.0"},"canonical_sha256":"76ecdace31732eff26d168f26cc61145877f29b9530c5c685691511bcd84d975","source":{"kind":"arxiv","id":"1806.00174","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.00174","created_at":"2026-05-18T00:03:05Z"},{"alias_kind":"arxiv_version","alias_value":"1806.00174v1","created_at":"2026-05-18T00:03:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.00174","created_at":"2026-05-18T00:03:05Z"},{"alias_kind":"pith_short_12","alias_value":"O3WNVTRROMXP","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_16","alias_value":"O3WNVTRROMXP6JWR","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_8","alias_value":"O3WNVTRR","created_at":"2026-05-18T12:32:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:O3WNVTRROMXP6JWRNDZGZRQRIW","target":"record","payload":{"canonical_record":{"source":{"id":"1806.00174","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-06-01T02:50:30Z","cross_cats_sorted":[],"title_canon_sha256":"9f4e981a5276548914f21629d6dfa65380bd3a7b347336c9ef343887d80e6fc2","abstract_canon_sha256":"42b41be7ec47f803c5ccf57a3bc755adb45ac51901b4748062e9bf3ce90a8b45"},"schema_version":"1.0"},"canonical_sha256":"76ecdace31732eff26d168f26cc61145877f29b9530c5c685691511bcd84d975","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:03:05.533296Z","signature_b64":"59bLtrulp8aPdwq0vTH/3f8PqGtcd6MDHW6/pBdjniLFDFkybbAGV48+Gj7kK9G8d8SWG+9TYdZoS4wZvAFMBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"76ecdace31732eff26d168f26cc61145877f29b9530c5c685691511bcd84d975","last_reissued_at":"2026-05-18T00:03:05.532825Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:03:05.532825Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1806.00174","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":"2026-05-18T00:03:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2pBJeoLCfQ0ZUH6rmKLzg6/nNW1zZ5biTRgP/Gy4nmg8lOty0/cOHcVgNxqMTQ+mOhY0+/ZVhDb+5tikx6wzDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T11:07:08.950664Z"},"content_sha256":"c315340b37d8e61d82073368c1787cc253f116c4eba695a952d61c26ef15bb9c","schema_version":"1.0","event_id":"sha256:c315340b37d8e61d82073368c1787cc253f116c4eba695a952d61c26ef15bb9c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:O3WNVTRROMXP6JWRNDZGZRQRIW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spontaneous Transition to a Correlated Phase of Skyrmions Observed in Real Space","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Go Yusa, Hikaru Iwata, John N. Moore, Junichiro Hayakawa, Naokazu Shibata, Takaaki Mano, Takeshi Noda","submitted_at":"2018-06-01T02:50:30Z","abstract_excerpt":"We conduct photoluminescence microscopy that is sensitive to both electron and nuclear spin polarization to investigate the changes that occur in the magnetic ordering in the vicinity of the first integer quantum Hall state in a GaAs 2D electron system (2DES). We observe a discontinuity in the electron spin polarization and nuclear spin longitudinal relaxation time which heralds a spontaneous transition to a phase of magnetic skyrmions. We image in real space the spin phase domains that coexist at this transition, and observe hysteresis in their formation as a function of the 2DES's chemical p"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.00174","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":"2026-05-18T00:03:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KB6u/aJ8S0euqD5RLwkDX1uylsjbsNe9nY+ht4aGtoq6M6GvvwrzGSfEBFok0XpLkcLVbUtD7CUnZX979sjzCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T11:07:08.951011Z"},"content_sha256":"2c0adc7ad604682daca51a09ff881b06de6cc93f75a1189697be3938824d2da2","schema_version":"1.0","event_id":"sha256:2c0adc7ad604682daca51a09ff881b06de6cc93f75a1189697be3938824d2da2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/O3WNVTRROMXP6JWRNDZGZRQRIW/bundle.json","state_url":"https://pith.science/pith/O3WNVTRROMXP6JWRNDZGZRQRIW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/O3WNVTRROMXP6JWRNDZGZRQRIW/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":"2026-05-28T11:07:08Z","links":{"resolver":"https://pith.science/pith/O3WNVTRROMXP6JWRNDZGZRQRIW","bundle":"https://pith.science/pith/O3WNVTRROMXP6JWRNDZGZRQRIW/bundle.json","state":"https://pith.science/pith/O3WNVTRROMXP6JWRNDZGZRQRIW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/O3WNVTRROMXP6JWRNDZGZRQRIW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:O3WNVTRROMXP6JWRNDZGZRQRIW","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":"42b41be7ec47f803c5ccf57a3bc755adb45ac51901b4748062e9bf3ce90a8b45","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-06-01T02:50:30Z","title_canon_sha256":"9f4e981a5276548914f21629d6dfa65380bd3a7b347336c9ef343887d80e6fc2"},"schema_version":"1.0","source":{"id":"1806.00174","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.00174","created_at":"2026-05-18T00:03:05Z"},{"alias_kind":"arxiv_version","alias_value":"1806.00174v1","created_at":"2026-05-18T00:03:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.00174","created_at":"2026-05-18T00:03:05Z"},{"alias_kind":"pith_short_12","alias_value":"O3WNVTRROMXP","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_16","alias_value":"O3WNVTRROMXP6JWR","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_8","alias_value":"O3WNVTRR","created_at":"2026-05-18T12:32:40Z"}],"graph_snapshots":[{"event_id":"sha256:2c0adc7ad604682daca51a09ff881b06de6cc93f75a1189697be3938824d2da2","target":"graph","created_at":"2026-05-18T00:03:05Z","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 conduct photoluminescence microscopy that is sensitive to both electron and nuclear spin polarization to investigate the changes that occur in the magnetic ordering in the vicinity of the first integer quantum Hall state in a GaAs 2D electron system (2DES). We observe a discontinuity in the electron spin polarization and nuclear spin longitudinal relaxation time which heralds a spontaneous transition to a phase of magnetic skyrmions. We image in real space the spin phase domains that coexist at this transition, and observe hysteresis in their formation as a function of the 2DES's chemical p","authors_text":"Go Yusa, Hikaru Iwata, John N. Moore, Junichiro Hayakawa, Naokazu Shibata, Takaaki Mano, Takeshi Noda","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-06-01T02:50:30Z","title":"Spontaneous Transition to a Correlated Phase of Skyrmions Observed in Real Space"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.00174","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:c315340b37d8e61d82073368c1787cc253f116c4eba695a952d61c26ef15bb9c","target":"record","created_at":"2026-05-18T00:03:05Z","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":"42b41be7ec47f803c5ccf57a3bc755adb45ac51901b4748062e9bf3ce90a8b45","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-06-01T02:50:30Z","title_canon_sha256":"9f4e981a5276548914f21629d6dfa65380bd3a7b347336c9ef343887d80e6fc2"},"schema_version":"1.0","source":{"id":"1806.00174","kind":"arxiv","version":1}},"canonical_sha256":"76ecdace31732eff26d168f26cc61145877f29b9530c5c685691511bcd84d975","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"76ecdace31732eff26d168f26cc61145877f29b9530c5c685691511bcd84d975","first_computed_at":"2026-05-18T00:03:05.532825Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:03:05.532825Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"59bLtrulp8aPdwq0vTH/3f8PqGtcd6MDHW6/pBdjniLFDFkybbAGV48+Gj7kK9G8d8SWG+9TYdZoS4wZvAFMBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:03:05.533296Z","signed_message":"canonical_sha256_bytes"},"source_id":"1806.00174","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c315340b37d8e61d82073368c1787cc253f116c4eba695a952d61c26ef15bb9c","sha256:2c0adc7ad604682daca51a09ff881b06de6cc93f75a1189697be3938824d2da2"],"state_sha256":"0e044ed9f5e931a6170d154714077110949b7b97a654430e647a7b7f57124df5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5Bl9JC2yrJ7k2xz9neRreCt91T5t9biyLkBKWAC5v1G79BeSNWcTUrxtsmUuIjwFMgBaADaEPOpsumoDgrNdBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T11:07:08.953089Z","bundle_sha256":"e1a474c228265fc4605577404e541cd3c1e067aa09240357b1bd171c1e6c606c"}}