{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:DK3BBCX52XGXTYADHVJE2ORH7C","short_pith_number":"pith:DK3BBCX5","canonical_record":{"source":{"id":"1912.07644","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2019-12-16T19:17:34Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"4b709294d3ea8f6f1bd0dfd37e1c85c0962ef9eedc42b5ad92b2a09edba30a6c","abstract_canon_sha256":"52a46eb7a6f9e9f7ba905e16065e10f3f9f0bd62093208b272e7ea5c8c13faab"},"schema_version":"1.0"},"canonical_sha256":"1ab6108afdd5cd79e0033d524d3a27f8a57345b59f07d4d6e9058dbb9ca6ff25","source":{"kind":"arxiv","id":"1912.07644","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1912.07644","created_at":"2026-07-05T00:43:06Z"},{"alias_kind":"arxiv_version","alias_value":"1912.07644v1","created_at":"2026-07-05T00:43:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1912.07644","created_at":"2026-07-05T00:43:06Z"},{"alias_kind":"pith_short_12","alias_value":"DK3BBCX52XGX","created_at":"2026-07-05T00:43:06Z"},{"alias_kind":"pith_short_16","alias_value":"DK3BBCX52XGXTYAD","created_at":"2026-07-05T00:43:06Z"},{"alias_kind":"pith_short_8","alias_value":"DK3BBCX5","created_at":"2026-07-05T00:43:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:DK3BBCX52XGXTYADHVJE2ORH7C","target":"record","payload":{"canonical_record":{"source":{"id":"1912.07644","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2019-12-16T19:17:34Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"4b709294d3ea8f6f1bd0dfd37e1c85c0962ef9eedc42b5ad92b2a09edba30a6c","abstract_canon_sha256":"52a46eb7a6f9e9f7ba905e16065e10f3f9f0bd62093208b272e7ea5c8c13faab"},"schema_version":"1.0"},"canonical_sha256":"1ab6108afdd5cd79e0033d524d3a27f8a57345b59f07d4d6e9058dbb9ca6ff25","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:43:06.267803Z","signature_b64":"nkDrnRfcuhavMUyGzVSuFzWdq9VVQ+e9ksB1slMxwOxzmqb6nKqsHYFWxc1QbRZF00PIKz82d4MBZpJSood3AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1ab6108afdd5cd79e0033d524d3a27f8a57345b59f07d4d6e9058dbb9ca6ff25","last_reissued_at":"2026-07-05T00:43:06.267338Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:43:06.267338Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1912.07644","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":"2026-07-05T00:43:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9RMMojCIbxNPwNIIjbYLOBxbTMX8UZJhjFtzTvRXJNeZ43nm0jtMkH2LU8GqwRnwOHWerpUdIYfNF8KaQDNyBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T23:32:07.448001Z"},"content_sha256":"bd0db15fd92f200373c73c8cebaff9980fd80cb9c71f9c8db082637df91f1cc2","schema_version":"1.0","event_id":"sha256:bd0db15fd92f200373c73c8cebaff9980fd80cb9c71f9c8db082637df91f1cc2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:DK3BBCX52XGXTYADHVJE2ORH7C","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Multistable circular currents of polariton condensates trapped in ring potentials","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"cond-mat.quant-gas","authors_text":"Franziska Barkhausen, Stefan Schumacher, Xuekai Ma","submitted_at":"2019-12-16T19:17:34Z","abstract_excerpt":"We demonstrate the formation and trapping of different stationary solutions, oscillatory solutions, and rotating solutions of a polariton condensate in a planar semiconductor microcavity with a built-in ring-shaped potential well. Multistable ring shaped solutions are trapped in shallow potential wells. These solutions have the same ring shaped density distribution but different topological charges, corresponding to different orbital angular momentum (OAM) of the emitted light. For stronger confinement potentials, besides the fundamental modes, higher excited (dipole) modes can also be trapped"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1912.07644","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1912.07644/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T00:43:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nAONGvLARqgdS4xAs8Hminqei5l1EXYNttv/GiX8/S3OYFN0TQz4tNybBNDMkIP2RoKAijnz9tsn9+19ldZmDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T23:32:07.448896Z"},"content_sha256":"c9237f1d0d9f037373236e2d589664a9e4b71062ae93fce2203f0ff2e452e146","schema_version":"1.0","event_id":"sha256:c9237f1d0d9f037373236e2d589664a9e4b71062ae93fce2203f0ff2e452e146"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DK3BBCX52XGXTYADHVJE2ORH7C/bundle.json","state_url":"https://pith.science/pith/DK3BBCX52XGXTYADHVJE2ORH7C/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DK3BBCX52XGXTYADHVJE2ORH7C/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":"2026-08-20T23:32:07Z","links":{"resolver":"https://pith.science/pith/DK3BBCX52XGXTYADHVJE2ORH7C","bundle":"https://pith.science/pith/DK3BBCX52XGXTYADHVJE2ORH7C/bundle.json","state":"https://pith.science/pith/DK3BBCX52XGXTYADHVJE2ORH7C/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DK3BBCX52XGXTYADHVJE2ORH7C/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:DK3BBCX52XGXTYADHVJE2ORH7C","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":"52a46eb7a6f9e9f7ba905e16065e10f3f9f0bd62093208b272e7ea5c8c13faab","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2019-12-16T19:17:34Z","title_canon_sha256":"4b709294d3ea8f6f1bd0dfd37e1c85c0962ef9eedc42b5ad92b2a09edba30a6c"},"schema_version":"1.0","source":{"id":"1912.07644","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1912.07644","created_at":"2026-07-05T00:43:06Z"},{"alias_kind":"arxiv_version","alias_value":"1912.07644v1","created_at":"2026-07-05T00:43:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1912.07644","created_at":"2026-07-05T00:43:06Z"},{"alias_kind":"pith_short_12","alias_value":"DK3BBCX52XGX","created_at":"2026-07-05T00:43:06Z"},{"alias_kind":"pith_short_16","alias_value":"DK3BBCX52XGXTYAD","created_at":"2026-07-05T00:43:06Z"},{"alias_kind":"pith_short_8","alias_value":"DK3BBCX5","created_at":"2026-07-05T00:43:06Z"}],"graph_snapshots":[{"event_id":"sha256:c9237f1d0d9f037373236e2d589664a9e4b71062ae93fce2203f0ff2e452e146","target":"graph","created_at":"2026-07-05T00:43:06Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1912.07644/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We demonstrate the formation and trapping of different stationary solutions, oscillatory solutions, and rotating solutions of a polariton condensate in a planar semiconductor microcavity with a built-in ring-shaped potential well. Multistable ring shaped solutions are trapped in shallow potential wells. These solutions have the same ring shaped density distribution but different topological charges, corresponding to different orbital angular momentum (OAM) of the emitted light. For stronger confinement potentials, besides the fundamental modes, higher excited (dipole) modes can also be trapped","authors_text":"Franziska Barkhausen, Stefan Schumacher, Xuekai Ma","cross_cats":["physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2019-12-16T19:17:34Z","title":"Multistable circular currents of polariton condensates trapped in ring potentials"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1912.07644","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:bd0db15fd92f200373c73c8cebaff9980fd80cb9c71f9c8db082637df91f1cc2","target":"record","created_at":"2026-07-05T00:43:06Z","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":"52a46eb7a6f9e9f7ba905e16065e10f3f9f0bd62093208b272e7ea5c8c13faab","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2019-12-16T19:17:34Z","title_canon_sha256":"4b709294d3ea8f6f1bd0dfd37e1c85c0962ef9eedc42b5ad92b2a09edba30a6c"},"schema_version":"1.0","source":{"id":"1912.07644","kind":"arxiv","version":1}},"canonical_sha256":"1ab6108afdd5cd79e0033d524d3a27f8a57345b59f07d4d6e9058dbb9ca6ff25","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1ab6108afdd5cd79e0033d524d3a27f8a57345b59f07d4d6e9058dbb9ca6ff25","first_computed_at":"2026-07-05T00:43:06.267338Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:43:06.267338Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nkDrnRfcuhavMUyGzVSuFzWdq9VVQ+e9ksB1slMxwOxzmqb6nKqsHYFWxc1QbRZF00PIKz82d4MBZpJSood3AQ==","signature_status":"signed_v1","signed_at":"2026-07-05T00:43:06.267803Z","signed_message":"canonical_sha256_bytes"},"source_id":"1912.07644","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bd0db15fd92f200373c73c8cebaff9980fd80cb9c71f9c8db082637df91f1cc2","sha256:c9237f1d0d9f037373236e2d589664a9e4b71062ae93fce2203f0ff2e452e146"],"state_sha256":"dcd976d00f3c981659410866857df4b6962bdae4d759602ba427e9605fc463cc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rqkk93S+vdX5IAZX8NAHgKTmgRNTNBC9u+m/lp4iv24DHTYdN9vzxql+tSrjM0Nj2e8v4rUEucvTxMMxf3vpBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-20T23:32:07.455252Z","bundle_sha256":"fb6cbf1653e114960da9c912c1684e134c11d1f9d62d128b838724c7dc72f904"}}