{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:G7N7G4XHRHXRSIOM4CZKJXRDSA","short_pith_number":"pith:G7N7G4XH","canonical_record":{"source":{"id":"2606.19339","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-06-17T17:59:45Z","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.quant-gas","cond-mat.supr-con"],"title_canon_sha256":"5ba798692ffde34c2ac8dcf0aef3dea665e33b9940695ef2ec1de157c5d66a84","abstract_canon_sha256":"132865727758cf10e12db839d885d464f5391b201a378ee3e4427c65e2894b4e"},"schema_version":"1.0"},"canonical_sha256":"37dbf372e789ef1921cce0b2a4de2390348dcf6b8fdd179383263294bc79943b","source":{"kind":"arxiv","id":"2606.19339","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.19339","created_at":"2026-06-19T16:12:11Z"},{"alias_kind":"arxiv_version","alias_value":"2606.19339v1","created_at":"2026-06-19T16:12:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.19339","created_at":"2026-06-19T16:12:11Z"},{"alias_kind":"pith_short_12","alias_value":"G7N7G4XHRHXR","created_at":"2026-06-19T16:12:11Z"},{"alias_kind":"pith_short_16","alias_value":"G7N7G4XHRHXRSIOM","created_at":"2026-06-19T16:12:11Z"},{"alias_kind":"pith_short_8","alias_value":"G7N7G4XH","created_at":"2026-06-19T16:12:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:G7N7G4XHRHXRSIOM4CZKJXRDSA","target":"record","payload":{"canonical_record":{"source":{"id":"2606.19339","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-06-17T17:59:45Z","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.quant-gas","cond-mat.supr-con"],"title_canon_sha256":"5ba798692ffde34c2ac8dcf0aef3dea665e33b9940695ef2ec1de157c5d66a84","abstract_canon_sha256":"132865727758cf10e12db839d885d464f5391b201a378ee3e4427c65e2894b4e"},"schema_version":"1.0"},"canonical_sha256":"37dbf372e789ef1921cce0b2a4de2390348dcf6b8fdd179383263294bc79943b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-19T16:12:11.607219Z","signature_b64":"OUnnDd28Rni6UB4MfyhBnAZNvvPvTgseiLz9iUcK71XOgommTNSYRutA/ZsdJfHWhqeBKyCZ7U/bzipaVwzyDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"37dbf372e789ef1921cce0b2a4de2390348dcf6b8fdd179383263294bc79943b","last_reissued_at":"2026-06-19T16:12:11.606852Z","signature_status":"signed_v1","first_computed_at":"2026-06-19T16:12:11.606852Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.19339","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":"2026-06-19T16:12:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"t6SFU8wy8YJbiyTbsX6sdLSNxkyuUAzm5iR407GVkmYqFe5DRDSLPYKOl0Id2/7BlXfyJtpKD/mJz33disuwAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T18:23:56.680056Z"},"content_sha256":"29115c669e7705dd9f2f383a83eacce445b97f98ec0be72ad975d86a7d51c7c3","schema_version":"1.0","event_id":"sha256:29115c669e7705dd9f2f383a83eacce445b97f98ec0be72ad975d86a7d51c7c3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:G7N7G4XHRHXRSIOM4CZKJXRDSA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum solitons and their quantum walks in transmon arrays","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","cond-mat.quant-gas","cond-mat.supr-con"],"primary_cat":"quant-ph","authors_text":"Ben Blain, Giampiero Marchegiani, Gianluigi Catelani, Luigi Amico","submitted_at":"2026-06-17T17:59:45Z","abstract_excerpt":"Superconducting qubits are artificial atoms whose spectra and interactions can be engineered through appropriate circuit design, a versatility that can be exploited for quantum simulation. We theoretically investigate a linear array of capacitively coupled transmons, effectively described by a Bose-Hubbard Hamiltonian with attractive interaction. We revisit the discrete-soliton nature of the lowest-energy band of the spectrum, and identify spatially localized quantum solitons. The solitonic character of these states is revealed through their time evolution, which displays a quantum interferenc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.19339","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/2606.19339/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":"2026-06-19T16:12:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VZaf+ddF1kBisJ0Mcd0IR5AYhTp/Kq/NQHkW9NeBILLmNPUEYWD0oaDGCPvrCW5OKr7M4bbJYTh7cpam1tc9Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T18:23:56.680459Z"},"content_sha256":"e4bfeacd6fab7a0e61fb9c29a28f3eef3c8795d14c9f32ec281ba980676639cb","schema_version":"1.0","event_id":"sha256:e4bfeacd6fab7a0e61fb9c29a28f3eef3c8795d14c9f32ec281ba980676639cb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/G7N7G4XHRHXRSIOM4CZKJXRDSA/bundle.json","state_url":"https://pith.science/pith/G7N7G4XHRHXRSIOM4CZKJXRDSA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/G7N7G4XHRHXRSIOM4CZKJXRDSA/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":"2026-06-25T18:23:56Z","links":{"resolver":"https://pith.science/pith/G7N7G4XHRHXRSIOM4CZKJXRDSA","bundle":"https://pith.science/pith/G7N7G4XHRHXRSIOM4CZKJXRDSA/bundle.json","state":"https://pith.science/pith/G7N7G4XHRHXRSIOM4CZKJXRDSA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/G7N7G4XHRHXRSIOM4CZKJXRDSA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:G7N7G4XHRHXRSIOM4CZKJXRDSA","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":"132865727758cf10e12db839d885d464f5391b201a378ee3e4427c65e2894b4e","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.quant-gas","cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-06-17T17:59:45Z","title_canon_sha256":"5ba798692ffde34c2ac8dcf0aef3dea665e33b9940695ef2ec1de157c5d66a84"},"schema_version":"1.0","source":{"id":"2606.19339","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.19339","created_at":"2026-06-19T16:12:11Z"},{"alias_kind":"arxiv_version","alias_value":"2606.19339v1","created_at":"2026-06-19T16:12:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.19339","created_at":"2026-06-19T16:12:11Z"},{"alias_kind":"pith_short_12","alias_value":"G7N7G4XHRHXR","created_at":"2026-06-19T16:12:11Z"},{"alias_kind":"pith_short_16","alias_value":"G7N7G4XHRHXRSIOM","created_at":"2026-06-19T16:12:11Z"},{"alias_kind":"pith_short_8","alias_value":"G7N7G4XH","created_at":"2026-06-19T16:12:11Z"}],"graph_snapshots":[{"event_id":"sha256:e4bfeacd6fab7a0e61fb9c29a28f3eef3c8795d14c9f32ec281ba980676639cb","target":"graph","created_at":"2026-06-19T16:12:11Z","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/2606.19339/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Superconducting qubits are artificial atoms whose spectra and interactions can be engineered through appropriate circuit design, a versatility that can be exploited for quantum simulation. We theoretically investigate a linear array of capacitively coupled transmons, effectively described by a Bose-Hubbard Hamiltonian with attractive interaction. We revisit the discrete-soliton nature of the lowest-energy band of the spectrum, and identify spatially localized quantum solitons. The solitonic character of these states is revealed through their time evolution, which displays a quantum interferenc","authors_text":"Ben Blain, Giampiero Marchegiani, Gianluigi Catelani, Luigi Amico","cross_cats":["cond-mat.mes-hall","cond-mat.quant-gas","cond-mat.supr-con"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-06-17T17:59:45Z","title":"Quantum solitons and their quantum walks in transmon arrays"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.19339","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":"sha256:29115c669e7705dd9f2f383a83eacce445b97f98ec0be72ad975d86a7d51c7c3","target":"record","created_at":"2026-06-19T16:12:11Z","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":"132865727758cf10e12db839d885d464f5391b201a378ee3e4427c65e2894b4e","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.quant-gas","cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-06-17T17:59:45Z","title_canon_sha256":"5ba798692ffde34c2ac8dcf0aef3dea665e33b9940695ef2ec1de157c5d66a84"},"schema_version":"1.0","source":{"id":"2606.19339","kind":"arxiv","version":1}},"canonical_sha256":"37dbf372e789ef1921cce0b2a4de2390348dcf6b8fdd179383263294bc79943b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"37dbf372e789ef1921cce0b2a4de2390348dcf6b8fdd179383263294bc79943b","first_computed_at":"2026-06-19T16:12:11.606852Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-19T16:12:11.606852Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OUnnDd28Rni6UB4MfyhBnAZNvvPvTgseiLz9iUcK71XOgommTNSYRutA/ZsdJfHWhqeBKyCZ7U/bzipaVwzyDw==","signature_status":"signed_v1","signed_at":"2026-06-19T16:12:11.607219Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.19339","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:29115c669e7705dd9f2f383a83eacce445b97f98ec0be72ad975d86a7d51c7c3","sha256:e4bfeacd6fab7a0e61fb9c29a28f3eef3c8795d14c9f32ec281ba980676639cb"],"state_sha256":"39693ee32203b3a995317429d1f60182e3421a119e83399ea0dd6c055fa31568"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LDybmedQJvSjDwrCRBZBFzTaRK2+DoSadY0KfbsZXBX/mTLh3K7x5NnFPrri1G3GY0vEs/qo/r5/O07TARtcDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-25T18:23:56.682503Z","bundle_sha256":"5a89dbccf5ce332394361a2f428aa482a903e735ab35bd803dc434a80d652689"}}