{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:API3ZTTQ2WRBBEYQ5O34RHPU6O","short_pith_number":"pith:API3ZTTQ","canonical_record":{"source":{"id":"1211.5869","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2012-11-26T06:59:42Z","cross_cats_sorted":[],"title_canon_sha256":"845c2095c3dd653331009822c365f466b3beb1b6e56aa3bd8392be0360820f0a","abstract_canon_sha256":"1b4a16ebeb1296beac794011da53fa44bba54a9b9b3c210f6ccc8cf33900b3a5"},"schema_version":"1.0"},"canonical_sha256":"03d1bcce70d5a2109310ebb7c89df4f3afcbafb2cf9ca419958bb4687e718d93","source":{"kind":"arxiv","id":"1211.5869","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1211.5869","created_at":"2026-05-18T02:19:08Z"},{"alias_kind":"arxiv_version","alias_value":"1211.5869v2","created_at":"2026-05-18T02:19:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.5869","created_at":"2026-05-18T02:19:08Z"},{"alias_kind":"pith_short_12","alias_value":"API3ZTTQ2WRB","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_16","alias_value":"API3ZTTQ2WRBBEYQ","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_8","alias_value":"API3ZTTQ","created_at":"2026-05-18T12:26:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:API3ZTTQ2WRBBEYQ5O34RHPU6O","target":"record","payload":{"canonical_record":{"source":{"id":"1211.5869","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2012-11-26T06:59:42Z","cross_cats_sorted":[],"title_canon_sha256":"845c2095c3dd653331009822c365f466b3beb1b6e56aa3bd8392be0360820f0a","abstract_canon_sha256":"1b4a16ebeb1296beac794011da53fa44bba54a9b9b3c210f6ccc8cf33900b3a5"},"schema_version":"1.0"},"canonical_sha256":"03d1bcce70d5a2109310ebb7c89df4f3afcbafb2cf9ca419958bb4687e718d93","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:19:08.711120Z","signature_b64":"L/A66NvWwPzOrB7w8kB4ag2UWk6aIUuxZm3BickalQ7YbC/4Hl/m4ecvCe0LULffcuuw6q//HJSsYxEqRQw3Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"03d1bcce70d5a2109310ebb7c89df4f3afcbafb2cf9ca419958bb4687e718d93","last_reissued_at":"2026-05-18T02:19:08.710624Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:19:08.710624Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1211.5869","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:19:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZZPu17r66SJCiNmXjL5j6x1+SYYvpTJmkGPnmoZiotXj6inASKiuDLYH9/jAP4rMrVIxvcnwXcw++D22ex4bAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T12:10:29.977529Z"},"content_sha256":"f236a77a39240b07cff42d0970cbee13a23e3073467e8dd03aa7ae70cbba4014","schema_version":"1.0","event_id":"sha256:f236a77a39240b07cff42d0970cbee13a23e3073467e8dd03aa7ae70cbba4014"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:API3ZTTQ2WRBBEYQ5O34RHPU6O","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Modulation of a quantized vortex street with a vibrating obstacle","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"Hiroki Saito, Kenta Tazaki, Tomohiko Aioi","submitted_at":"2012-11-26T06:59:42Z","abstract_excerpt":"Dynamics of a superfluid flow past an obstacle are investigated by solving the Gross-Pitaevskii equation numerically. For an appropriate velocity and size of the obstacle, quantized vortices are periodically generated in the wake, which form a Benard-von Karman vortex street. It is found that vibration of an obstacle modulates the vortex street breaking a symmetry."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.5869","kind":"arxiv","version":2},"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":"2026-05-18T02:19:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lVNk3PI2ESVAwpARO6RFyNUTx6Gs/+OGyZOVXIdiZ+R/uEFEG/kz5QccFGTN37MztlQqTBrGL37WtCthyeYQAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T12:10:29.977874Z"},"content_sha256":"f537586d3239070bce0fd7f4499d3a7c0da0c371d752939ea050e524d6fa1a8f","schema_version":"1.0","event_id":"sha256:f537586d3239070bce0fd7f4499d3a7c0da0c371d752939ea050e524d6fa1a8f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/API3ZTTQ2WRBBEYQ5O34RHPU6O/bundle.json","state_url":"https://pith.science/pith/API3ZTTQ2WRBBEYQ5O34RHPU6O/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/API3ZTTQ2WRBBEYQ5O34RHPU6O/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":"2026-06-05T12:10:29Z","links":{"resolver":"https://pith.science/pith/API3ZTTQ2WRBBEYQ5O34RHPU6O","bundle":"https://pith.science/pith/API3ZTTQ2WRBBEYQ5O34RHPU6O/bundle.json","state":"https://pith.science/pith/API3ZTTQ2WRBBEYQ5O34RHPU6O/state.json","well_known_bundle":"https://pith.science/.well-known/pith/API3ZTTQ2WRBBEYQ5O34RHPU6O/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:API3ZTTQ2WRBBEYQ5O34RHPU6O","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":"1b4a16ebeb1296beac794011da53fa44bba54a9b9b3c210f6ccc8cf33900b3a5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2012-11-26T06:59:42Z","title_canon_sha256":"845c2095c3dd653331009822c365f466b3beb1b6e56aa3bd8392be0360820f0a"},"schema_version":"1.0","source":{"id":"1211.5869","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1211.5869","created_at":"2026-05-18T02:19:08Z"},{"alias_kind":"arxiv_version","alias_value":"1211.5869v2","created_at":"2026-05-18T02:19:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.5869","created_at":"2026-05-18T02:19:08Z"},{"alias_kind":"pith_short_12","alias_value":"API3ZTTQ2WRB","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_16","alias_value":"API3ZTTQ2WRBBEYQ","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_8","alias_value":"API3ZTTQ","created_at":"2026-05-18T12:26:58Z"}],"graph_snapshots":[{"event_id":"sha256:f537586d3239070bce0fd7f4499d3a7c0da0c371d752939ea050e524d6fa1a8f","target":"graph","created_at":"2026-05-18T02:19:08Z","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":"Dynamics of a superfluid flow past an obstacle are investigated by solving the Gross-Pitaevskii equation numerically. For an appropriate velocity and size of the obstacle, quantized vortices are periodically generated in the wake, which form a Benard-von Karman vortex street. It is found that vibration of an obstacle modulates the vortex street breaking a symmetry.","authors_text":"Hiroki Saito, Kenta Tazaki, Tomohiko Aioi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2012-11-26T06:59:42Z","title":"Modulation of a quantized vortex street with a vibrating obstacle"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.5869","kind":"arxiv","version":2},"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:f236a77a39240b07cff42d0970cbee13a23e3073467e8dd03aa7ae70cbba4014","target":"record","created_at":"2026-05-18T02:19:08Z","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":"1b4a16ebeb1296beac794011da53fa44bba54a9b9b3c210f6ccc8cf33900b3a5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2012-11-26T06:59:42Z","title_canon_sha256":"845c2095c3dd653331009822c365f466b3beb1b6e56aa3bd8392be0360820f0a"},"schema_version":"1.0","source":{"id":"1211.5869","kind":"arxiv","version":2}},"canonical_sha256":"03d1bcce70d5a2109310ebb7c89df4f3afcbafb2cf9ca419958bb4687e718d93","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"03d1bcce70d5a2109310ebb7c89df4f3afcbafb2cf9ca419958bb4687e718d93","first_computed_at":"2026-05-18T02:19:08.710624Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:19:08.710624Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"L/A66NvWwPzOrB7w8kB4ag2UWk6aIUuxZm3BickalQ7YbC/4Hl/m4ecvCe0LULffcuuw6q//HJSsYxEqRQw3Dw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:19:08.711120Z","signed_message":"canonical_sha256_bytes"},"source_id":"1211.5869","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f236a77a39240b07cff42d0970cbee13a23e3073467e8dd03aa7ae70cbba4014","sha256:f537586d3239070bce0fd7f4499d3a7c0da0c371d752939ea050e524d6fa1a8f"],"state_sha256":"de3d988021862bacb3bdba5ce0cf614063165982b9e9696895ddbf9c578feb5f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2bwGbQPreRWPDrQMknD16c6sB6NvKZZIO+/c94U11nBqe/t8kGwD7hSLOP8Z/wrPg+NFsV6PhayGpxERkUuLCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T12:10:29.979811Z","bundle_sha256":"b440bd4e4fe00b627bcb6fcda80409531245637b9cef996751584e82520e6ad2"}}