{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:PDKES6X7GP573IZW3BN6HDVZG3","short_pith_number":"pith:PDKES6X7","canonical_record":{"source":{"id":"1705.03236","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-05-09T09:03:40Z","cross_cats_sorted":["cond-mat.quant-gas"],"title_canon_sha256":"2ba11eddca18a72f9a0498be1398a428ce434768de3d5d17681cf08b19e0bc9a","abstract_canon_sha256":"fdf112da12e5c6bf8926ea868861bafc9b8d281c8df290a7a762f2b80a94f7d2"},"schema_version":"1.0"},"canonical_sha256":"78d4497aff33fbfda336d85be38eb936f59ceb4894281dc322a9d64e6501dc1e","source":{"kind":"arxiv","id":"1705.03236","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.03236","created_at":"2026-05-18T00:38:27Z"},{"alias_kind":"arxiv_version","alias_value":"1705.03236v1","created_at":"2026-05-18T00:38:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.03236","created_at":"2026-05-18T00:38:27Z"},{"alias_kind":"pith_short_12","alias_value":"PDKES6X7GP57","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_16","alias_value":"PDKES6X7GP573IZW","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_8","alias_value":"PDKES6X7","created_at":"2026-05-18T12:31:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:PDKES6X7GP573IZW3BN6HDVZG3","target":"record","payload":{"canonical_record":{"source":{"id":"1705.03236","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-05-09T09:03:40Z","cross_cats_sorted":["cond-mat.quant-gas"],"title_canon_sha256":"2ba11eddca18a72f9a0498be1398a428ce434768de3d5d17681cf08b19e0bc9a","abstract_canon_sha256":"fdf112da12e5c6bf8926ea868861bafc9b8d281c8df290a7a762f2b80a94f7d2"},"schema_version":"1.0"},"canonical_sha256":"78d4497aff33fbfda336d85be38eb936f59ceb4894281dc322a9d64e6501dc1e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:38:27.300615Z","signature_b64":"AA+x3t5G2py5aGEZDR4PVNp9U9gOPKnYy9auWWLE747DQ6SrIGhJQRQ8OMyj6tu2u6WtzAxxZ+6yL9upAWJXAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"78d4497aff33fbfda336d85be38eb936f59ceb4894281dc322a9d64e6501dc1e","last_reissued_at":"2026-05-18T00:38:27.299980Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:38:27.299980Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1705.03236","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":"2026-05-18T00:38:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nYekkyviy8NAcbPGAUvRTBXALTf1coX4BYDnVHhN+WAunauS8yAf7CNv7WZPfTLqF04QkwWxiGc/vMazsbkJBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T20:55:42.803743Z"},"content_sha256":"5787ee3cc467f52a723cd27fcd22594205bf40f802ef77b9d1a04a054e08e766","schema_version":"1.0","event_id":"sha256:5787ee3cc467f52a723cd27fcd22594205bf40f802ef77b9d1a04a054e08e766"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:PDKES6X7GP573IZW3BN6HDVZG3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The onset of nanoscale dissipation in superfluid He-4 at zero temperature: the role of vortex shedding and cavitation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas"],"primary_cat":"cond-mat.mes-hall","authors_text":"Francesco Ancilotto, Jussi Eloranta, Manuel Barranco, Marti Pi","submitted_at":"2017-05-09T09:03:40Z","abstract_excerpt":"Two-dimensional flow past an infinitely long cylinder of nanoscopic radius in superfluid He-4 at zero temperature is studied by time-dependent density functional theory. The calculations reveal two distinct critical phenomena for the onset of dissipation: 1) vortex-antivortex pair shedding from the periphery of the moving cylinder and 2) appearance of cavitation in the wake, which possesses similar geometry as observed experimentally for fast moving micrometer-scale particles in superfluid He-4. Vortex pairs with the same circulation are occasionally emitted in the form of dimers, which consti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.03236","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":"2026-05-18T00:38:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DdT0RCVsYJxILShdQzZf2V/92WEH44P28v5J5+BuPgSc7i1pmEXbfWcQCRNzmZ3KoTS7v6LGwF29mo4wqZjLBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T20:55:42.804440Z"},"content_sha256":"350ae8ebc58d94143f7d7c9e02eafca6a8b453e4eff8842827965bd26c3d106e","schema_version":"1.0","event_id":"sha256:350ae8ebc58d94143f7d7c9e02eafca6a8b453e4eff8842827965bd26c3d106e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PDKES6X7GP573IZW3BN6HDVZG3/bundle.json","state_url":"https://pith.science/pith/PDKES6X7GP573IZW3BN6HDVZG3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PDKES6X7GP573IZW3BN6HDVZG3/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":"2026-05-26T20:55:42Z","links":{"resolver":"https://pith.science/pith/PDKES6X7GP573IZW3BN6HDVZG3","bundle":"https://pith.science/pith/PDKES6X7GP573IZW3BN6HDVZG3/bundle.json","state":"https://pith.science/pith/PDKES6X7GP573IZW3BN6HDVZG3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PDKES6X7GP573IZW3BN6HDVZG3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:PDKES6X7GP573IZW3BN6HDVZG3","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":"fdf112da12e5c6bf8926ea868861bafc9b8d281c8df290a7a762f2b80a94f7d2","cross_cats_sorted":["cond-mat.quant-gas"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-05-09T09:03:40Z","title_canon_sha256":"2ba11eddca18a72f9a0498be1398a428ce434768de3d5d17681cf08b19e0bc9a"},"schema_version":"1.0","source":{"id":"1705.03236","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.03236","created_at":"2026-05-18T00:38:27Z"},{"alias_kind":"arxiv_version","alias_value":"1705.03236v1","created_at":"2026-05-18T00:38:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.03236","created_at":"2026-05-18T00:38:27Z"},{"alias_kind":"pith_short_12","alias_value":"PDKES6X7GP57","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_16","alias_value":"PDKES6X7GP573IZW","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_8","alias_value":"PDKES6X7","created_at":"2026-05-18T12:31:37Z"}],"graph_snapshots":[{"event_id":"sha256:350ae8ebc58d94143f7d7c9e02eafca6a8b453e4eff8842827965bd26c3d106e","target":"graph","created_at":"2026-05-18T00:38:27Z","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":"Two-dimensional flow past an infinitely long cylinder of nanoscopic radius in superfluid He-4 at zero temperature is studied by time-dependent density functional theory. The calculations reveal two distinct critical phenomena for the onset of dissipation: 1) vortex-antivortex pair shedding from the periphery of the moving cylinder and 2) appearance of cavitation in the wake, which possesses similar geometry as observed experimentally for fast moving micrometer-scale particles in superfluid He-4. Vortex pairs with the same circulation are occasionally emitted in the form of dimers, which consti","authors_text":"Francesco Ancilotto, Jussi Eloranta, Manuel Barranco, Marti Pi","cross_cats":["cond-mat.quant-gas"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-05-09T09:03:40Z","title":"The onset of nanoscale dissipation in superfluid He-4 at zero temperature: the role of vortex shedding and cavitation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.03236","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":"sha256:5787ee3cc467f52a723cd27fcd22594205bf40f802ef77b9d1a04a054e08e766","target":"record","created_at":"2026-05-18T00:38:27Z","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":"fdf112da12e5c6bf8926ea868861bafc9b8d281c8df290a7a762f2b80a94f7d2","cross_cats_sorted":["cond-mat.quant-gas"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-05-09T09:03:40Z","title_canon_sha256":"2ba11eddca18a72f9a0498be1398a428ce434768de3d5d17681cf08b19e0bc9a"},"schema_version":"1.0","source":{"id":"1705.03236","kind":"arxiv","version":1}},"canonical_sha256":"78d4497aff33fbfda336d85be38eb936f59ceb4894281dc322a9d64e6501dc1e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"78d4497aff33fbfda336d85be38eb936f59ceb4894281dc322a9d64e6501dc1e","first_computed_at":"2026-05-18T00:38:27.299980Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:38:27.299980Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"AA+x3t5G2py5aGEZDR4PVNp9U9gOPKnYy9auWWLE747DQ6SrIGhJQRQ8OMyj6tu2u6WtzAxxZ+6yL9upAWJXAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:38:27.300615Z","signed_message":"canonical_sha256_bytes"},"source_id":"1705.03236","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5787ee3cc467f52a723cd27fcd22594205bf40f802ef77b9d1a04a054e08e766","sha256:350ae8ebc58d94143f7d7c9e02eafca6a8b453e4eff8842827965bd26c3d106e"],"state_sha256":"28f3b9057fdefac41663fcae080b6b552a2d6b74edfc156f535cc71f70f43637"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2bLOFSgoc7X/DrXcZSFtoIsXpRLW2LQL2e7rFm0YErZ3/oY0eT75Ghw1kMBIEuK/9Oq4ghLlfFXwyHNW53/UBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T20:55:42.808017Z","bundle_sha256":"074de24d077a79aebbe294fffce8756b0d797419e03f03bfcd790af19b8c57d9"}}