{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:XQC6FMUTULPJ52RM34E2HUAKZN","short_pith_number":"pith:XQC6FMUT","canonical_record":{"source":{"id":"2111.02567","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2021-11-04T00:17:21Z","cross_cats_sorted":["hep-ph","hep-th","physics.flu-dyn"],"title_canon_sha256":"df372d10c5ae003f9e280de0d234676813c8297abc3aa716463c72dcae98a846","abstract_canon_sha256":"9f72e96e4417a7e1b2e32afd859000a06a027ff756a2191d8eb11be032e1e058"},"schema_version":"1.0"},"canonical_sha256":"bc05e2b293a2de9eea2cdf09a3d00acb4cb37cf1e3df8867dbcf9e12f33b99a9","source":{"kind":"arxiv","id":"2111.02567","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.02567","created_at":"2026-07-05T04:02:58Z"},{"alias_kind":"arxiv_version","alias_value":"2111.02567v1","created_at":"2026-07-05T04:02:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.02567","created_at":"2026-07-05T04:02:58Z"},{"alias_kind":"pith_short_12","alias_value":"XQC6FMUTULPJ","created_at":"2026-07-05T04:02:58Z"},{"alias_kind":"pith_short_16","alias_value":"XQC6FMUTULPJ52RM","created_at":"2026-07-05T04:02:58Z"},{"alias_kind":"pith_short_8","alias_value":"XQC6FMUT","created_at":"2026-07-05T04:02:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:XQC6FMUTULPJ52RM34E2HUAKZN","target":"record","payload":{"canonical_record":{"source":{"id":"2111.02567","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2021-11-04T00:17:21Z","cross_cats_sorted":["hep-ph","hep-th","physics.flu-dyn"],"title_canon_sha256":"df372d10c5ae003f9e280de0d234676813c8297abc3aa716463c72dcae98a846","abstract_canon_sha256":"9f72e96e4417a7e1b2e32afd859000a06a027ff756a2191d8eb11be032e1e058"},"schema_version":"1.0"},"canonical_sha256":"bc05e2b293a2de9eea2cdf09a3d00acb4cb37cf1e3df8867dbcf9e12f33b99a9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:02:58.478487Z","signature_b64":"bmeZ+M2wPkrlyFpT3GTYmvjo/jn6WJ0NelSNn3datdFS0WqqH9XiMhZQTy4aGBgHfnr95lxT6x3Ql0hIPQZJBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bc05e2b293a2de9eea2cdf09a3d00acb4cb37cf1e3df8867dbcf9e12f33b99a9","last_reissued_at":"2026-07-05T04:02:58.478012Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:02:58.478012Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2111.02567","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":"2026-07-05T04:02:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IdCSFLNm5Fnw8M4Nj4Q0MceufenOl0B5z95XFFTZopDchgQFl4uR4EpLLG7TIfijDf8UIcScm/ZXzGyROt3fAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T14:54:33.124673Z"},"content_sha256":"eab3bb25fdab912df887ae02500a5a6d2b607ee36c4ee5a01298e66bfcb7aaff","schema_version":"1.0","event_id":"sha256:eab3bb25fdab912df887ae02500a5a6d2b607ee36c4ee5a01298e66bfcb7aaff"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:XQC6FMUTULPJ52RM34E2HUAKZN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Origin and evolution of the multiply-quantised vortex instability","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ph","hep-th","physics.flu-dyn"],"primary_cat":"cond-mat.quant-gas","authors_text":"August Geelmuyden, Carlo F. Barenghi, Sam Patrick, Sebastian Erne, Silke Weinfurtner","submitted_at":"2021-11-04T00:17:21Z","abstract_excerpt":"We show that the dynamical instability of quantum vortices with more than a single quantum of angular momentum results from a superradiant bound state inside the vortex core. Our conclusion is supported by an analytic WKB calculation and numerical simulations of both linearised and fully non-linear equations of motion for a doubly-quantised vortex at the centre of a circular bucket trap. In the late stage of the instability, we reveal a striking novel behaviour of the system in the non-linear regime. Contrary to expectation, in the absence of dissipation the system never enters the regime of t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.02567","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/2111.02567/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":"2026-07-05T04:02:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mYShMRF9U25612Z90RGnc2RpDJQw4pyL4PM3iUzukKyAtjLrdIYPredFlls/e0Nc+WLRq24C3oseV3LUr8WkBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T14:54:33.125250Z"},"content_sha256":"8fd1589633a2442c149d3ad6094f44a84713caa1b0e4dbb14c246dfa00180c3f","schema_version":"1.0","event_id":"sha256:8fd1589633a2442c149d3ad6094f44a84713caa1b0e4dbb14c246dfa00180c3f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XQC6FMUTULPJ52RM34E2HUAKZN/bundle.json","state_url":"https://pith.science/pith/XQC6FMUTULPJ52RM34E2HUAKZN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XQC6FMUTULPJ52RM34E2HUAKZN/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":"2026-08-21T14:54:33Z","links":{"resolver":"https://pith.science/pith/XQC6FMUTULPJ52RM34E2HUAKZN","bundle":"https://pith.science/pith/XQC6FMUTULPJ52RM34E2HUAKZN/bundle.json","state":"https://pith.science/pith/XQC6FMUTULPJ52RM34E2HUAKZN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XQC6FMUTULPJ52RM34E2HUAKZN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:XQC6FMUTULPJ52RM34E2HUAKZN","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":"9f72e96e4417a7e1b2e32afd859000a06a027ff756a2191d8eb11be032e1e058","cross_cats_sorted":["hep-ph","hep-th","physics.flu-dyn"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2021-11-04T00:17:21Z","title_canon_sha256":"df372d10c5ae003f9e280de0d234676813c8297abc3aa716463c72dcae98a846"},"schema_version":"1.0","source":{"id":"2111.02567","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.02567","created_at":"2026-07-05T04:02:58Z"},{"alias_kind":"arxiv_version","alias_value":"2111.02567v1","created_at":"2026-07-05T04:02:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.02567","created_at":"2026-07-05T04:02:58Z"},{"alias_kind":"pith_short_12","alias_value":"XQC6FMUTULPJ","created_at":"2026-07-05T04:02:58Z"},{"alias_kind":"pith_short_16","alias_value":"XQC6FMUTULPJ52RM","created_at":"2026-07-05T04:02:58Z"},{"alias_kind":"pith_short_8","alias_value":"XQC6FMUT","created_at":"2026-07-05T04:02:58Z"}],"graph_snapshots":[{"event_id":"sha256:8fd1589633a2442c149d3ad6094f44a84713caa1b0e4dbb14c246dfa00180c3f","target":"graph","created_at":"2026-07-05T04:02:58Z","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/2111.02567/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We show that the dynamical instability of quantum vortices with more than a single quantum of angular momentum results from a superradiant bound state inside the vortex core. Our conclusion is supported by an analytic WKB calculation and numerical simulations of both linearised and fully non-linear equations of motion for a doubly-quantised vortex at the centre of a circular bucket trap. In the late stage of the instability, we reveal a striking novel behaviour of the system in the non-linear regime. Contrary to expectation, in the absence of dissipation the system never enters the regime of t","authors_text":"August Geelmuyden, Carlo F. Barenghi, Sam Patrick, Sebastian Erne, Silke Weinfurtner","cross_cats":["hep-ph","hep-th","physics.flu-dyn"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2021-11-04T00:17:21Z","title":"Origin and evolution of the multiply-quantised vortex instability"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.02567","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:eab3bb25fdab912df887ae02500a5a6d2b607ee36c4ee5a01298e66bfcb7aaff","target":"record","created_at":"2026-07-05T04:02:58Z","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":"9f72e96e4417a7e1b2e32afd859000a06a027ff756a2191d8eb11be032e1e058","cross_cats_sorted":["hep-ph","hep-th","physics.flu-dyn"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2021-11-04T00:17:21Z","title_canon_sha256":"df372d10c5ae003f9e280de0d234676813c8297abc3aa716463c72dcae98a846"},"schema_version":"1.0","source":{"id":"2111.02567","kind":"arxiv","version":1}},"canonical_sha256":"bc05e2b293a2de9eea2cdf09a3d00acb4cb37cf1e3df8867dbcf9e12f33b99a9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bc05e2b293a2de9eea2cdf09a3d00acb4cb37cf1e3df8867dbcf9e12f33b99a9","first_computed_at":"2026-07-05T04:02:58.478012Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:02:58.478012Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bmeZ+M2wPkrlyFpT3GTYmvjo/jn6WJ0NelSNn3datdFS0WqqH9XiMhZQTy4aGBgHfnr95lxT6x3Ql0hIPQZJBA==","signature_status":"signed_v1","signed_at":"2026-07-05T04:02:58.478487Z","signed_message":"canonical_sha256_bytes"},"source_id":"2111.02567","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:eab3bb25fdab912df887ae02500a5a6d2b607ee36c4ee5a01298e66bfcb7aaff","sha256:8fd1589633a2442c149d3ad6094f44a84713caa1b0e4dbb14c246dfa00180c3f"],"state_sha256":"5848f985c1ca0619b79f5b2432bb35dbac1529cbe099da0553a4e93f1fbdf873"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AqitGgIzOxjGRFs+gB0ZAyoYTjjFr4m2mW5B+qlHJTewf3eHpyxuEWQdXiOwoyhOjrzBnxOd5nwrqf7YLlaIBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-21T14:54:33.129646Z","bundle_sha256":"2273f71e7f0fb7ecb486178096bf8bef11f910e4904722b8b6fae52caf8bdd16"}}