{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:KDGAMNNAMOCVDEMKPTM4ZB5GWO","short_pith_number":"pith:KDGAMNNA","canonical_record":{"source":{"id":"2601.13265","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-01-19T18:00:07Z","cross_cats_sorted":[],"title_canon_sha256":"9d56c7cda10c6723053d3a6ebd1cab812fe35de37d554ac6610d36e5f9257f49","abstract_canon_sha256":"d55040e437f829ca4b5e811baced26353b02fe40397986f3f6fd7dcad3c3f36c"},"schema_version":"1.0"},"canonical_sha256":"50cc0635a0638551918a7cd9cc87a6b3a4a80045d44325024e46e4cc9ae915bc","source":{"kind":"arxiv","id":"2601.13265","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2601.13265","created_at":"2026-05-17T23:39:16Z"},{"alias_kind":"arxiv_version","alias_value":"2601.13265v1","created_at":"2026-05-17T23:39:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2601.13265","created_at":"2026-05-17T23:39:16Z"},{"alias_kind":"pith_short_12","alias_value":"KDGAMNNAMOCV","created_at":"2026-05-18T12:33:37Z"},{"alias_kind":"pith_short_16","alias_value":"KDGAMNNAMOCVDEMK","created_at":"2026-05-18T12:33:37Z"},{"alias_kind":"pith_short_8","alias_value":"KDGAMNNA","created_at":"2026-05-18T12:33:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:KDGAMNNAMOCVDEMKPTM4ZB5GWO","target":"record","payload":{"canonical_record":{"source":{"id":"2601.13265","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-01-19T18:00:07Z","cross_cats_sorted":[],"title_canon_sha256":"9d56c7cda10c6723053d3a6ebd1cab812fe35de37d554ac6610d36e5f9257f49","abstract_canon_sha256":"d55040e437f829ca4b5e811baced26353b02fe40397986f3f6fd7dcad3c3f36c"},"schema_version":"1.0"},"canonical_sha256":"50cc0635a0638551918a7cd9cc87a6b3a4a80045d44325024e46e4cc9ae915bc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:39:16.620125Z","signature_b64":"pMLgZgAKepbL5pncJbendyTlkUGJDsc7n8fkN8iUgK42/vT8KxUaDWU6J5Rl1cFRtZ7VRzhxYQCQCQU0N451Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"50cc0635a0638551918a7cd9cc87a6b3a4a80045d44325024e46e4cc9ae915bc","last_reissued_at":"2026-05-17T23:39:16.619367Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:39:16.619367Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2601.13265","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":"2026-05-17T23:39:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PxMaieTTNz03xCxOQAN9vrUszXh7fPy+SVJMZY0BMADTz+ftlBsmwU3x+vDlo45hkB5WMotQNXnChomj2h9qDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T12:40:16.213939Z"},"content_sha256":"daace350a32fac0ac1f72922bfce1990d58986861b6abd7f69c6d9c8922c7199","schema_version":"1.0","event_id":"sha256:daace350a32fac0ac1f72922bfce1990d58986861b6abd7f69c6d9c8922c7199"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:KDGAMNNAMOCVDEMKPTM4ZB5GWO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Microscopic Quantum Friction","license":"http://creativecommons.org/licenses/by/4.0/","headline":"Quantum friction between two ground-state atoms arises from their relative motion coupled to dispersive response, appearing as odd-order terms in a velocity power series.","cross_cats":[],"primary_cat":"quant-ph","authors_text":"C. Farina, F. Impens, P. A. Maia Neto, Pedro H. Pereira, R. de Melo e Souza","submitted_at":"2026-01-19T18:00:07Z","abstract_excerpt":"We report on a microscopic theory of quantum friction. Our approach investigates the interplay between the dispersive response and the relative center-of-mass motion of two ground-state atoms. This coupling yields a quantum force, which can be expressed as a power series in the velocity. The significance of each contribution depends on its order parity: while even-order terms are reversible, odd-order terms are irreversible and only survive in the presence of an internal dissipation mechanism. In addition, we obtain general, model-independent properties for the work performed by these contribu"},"claims":{"count":4,"items":[{"kind":"strongest_claim","text":"Our microscopic theory reveals that several properties of quantum friction obtained in specific settings -- such as the cubic dependence on velocity at zero temperature -- are indeed universal features already present at the atomic scale.","source":"verdict.strongest_claim","status":"machine_extracted","claim_id":"C1","attestation":"unclaimed"},{"kind":"weakest_assumption","text":"The requirement that odd-order terms survive only in the presence of an internal dissipation mechanism, together with the assumption that the derived force properties hold for arbitrary scattering trajectories without further model details.","source":"verdict.weakest_assumption","status":"machine_extracted","claim_id":"C2","attestation":"unclaimed"},{"kind":"one_line_summary","text":"Microscopic quantum friction emerges as odd-order velocity terms from atom-atom dispersive interactions, with first-order dominance at room temperature and universal features like zero-temperature cubic velocity dependence already present at atomic scale.","source":"verdict.one_line_summary","status":"machine_extracted","claim_id":"C3","attestation":"unclaimed"},{"kind":"headline","text":"Quantum friction between two ground-state atoms arises from their relative motion coupled to dispersive response, appearing as odd-order terms in a velocity power series.","source":"verdict.pith_extraction.headline","status":"machine_extracted","claim_id":"C4","attestation":"unclaimed"}],"snapshot_sha256":"e81443bcc904b1d14a94ba9b9faf9ff8048b4e5a06abbe942d3a3ed69737cb3b"},"source":{"id":"2601.13265","kind":"arxiv","version":1},"verdict":{"id":"d1e2ee89-c912-4966-9ee0-d840a26a4915","model_set":{"reader":"grok-4.3"},"created_at":"2026-05-16T13:13:05.681725Z","strongest_claim":"Our microscopic theory reveals that several properties of quantum friction obtained in specific settings -- such as the cubic dependence on velocity at zero temperature -- are indeed universal features already present at the atomic scale.","one_line_summary":"Microscopic quantum friction emerges as odd-order velocity terms from atom-atom dispersive interactions, with first-order dominance at room temperature and universal features like zero-temperature cubic velocity dependence already present at atomic scale.","pipeline_version":"pith-pipeline@v0.9.0","weakest_assumption":"The requirement that odd-order terms survive only in the presence of an internal dissipation mechanism, together with the assumption that the derived force properties hold for arbitrary scattering trajectories without further model details.","pith_extraction_headline":"Quantum friction between two ground-state atoms arises from their relative motion coupled to dispersive response, appearing as odd-order terms in a velocity power series."},"references":{"count":38,"sample":[{"doi":"","year":2010,"title":"A. Manjavacas and F. J. García de Abajo, Vacuum friction in rotating particles, Phys. Rev. Lett. 105, 113601 (2010)","work_id":"e2b0017d-023b-43eb-90e9-d192da4bfeb6","ref_index":1,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2021,"title":"Z. Xu, Z. Jacob, and T. Li, Enhancement of rotational vacuum friction by surface photon tunneling, Nanophotonics 10, 537 (2021)","work_id":"6ff79dda-3b1e-4e92-b142-b04479acce70","ref_index":2,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2019,"title":"S. Sanders, W. J. M. Kort-Kamp, D. A. R. Dalvit, and A. Manjavacas, Nanoscale transfer of angular momentum mediated by the casimir torque, Commun.Phys. 2, 71 (2019)","work_id":"78a08dd0-de97-44af-98f1-999513afe75c","ref_index":3,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2021,"title":"G. Matos, R. de Melo e Souza, P. M. Neto, and F. Impens, Quantum vacuum sagnac eﬀect, Phys. Rev. Lett. 127, 270401 (2021)","work_id":"f08bfc01-ac9e-4531-b1bd-3f858fe92ebb","ref_index":4,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2025,"title":"H. S. G. Amaral, P. P. Abrantes, F. Impens, P. A. M. Neto, and R. de Melo e Souza, Tailoring the van der waals interaction with rotation, Phys.Rev.Lett. 135, 243601 (2025)","work_id":"749c8633-7cc1-4550-a35f-51913b914349","ref_index":5,"cited_arxiv_id":"","is_internal_anchor":false}],"resolved_work":38,"snapshot_sha256":"4ca2371ad904c8c8ed09ccbbcf347b11498379b56f0265e201cb577323e31882","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":"d1e2ee89-c912-4966-9ee0-d840a26a4915"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:39:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xBXVCAOxzw6NN8fFrnmBZmIdrrh9cmuBRtEf3Wpmvnc3yLEoxEQFRHjz3X1KiU+Dqq9QYeogEtUk5Pi9MAz0BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T12:40:16.215010Z"},"content_sha256":"f1baaeeddc89b1dbcc11ccdee5e6b4238c500c54c7bd69b570222a8360be99d3","schema_version":"1.0","event_id":"sha256:f1baaeeddc89b1dbcc11ccdee5e6b4238c500c54c7bd69b570222a8360be99d3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KDGAMNNAMOCVDEMKPTM4ZB5GWO/bundle.json","state_url":"https://pith.science/pith/KDGAMNNAMOCVDEMKPTM4ZB5GWO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KDGAMNNAMOCVDEMKPTM4ZB5GWO/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":"2026-05-25T12:40:16Z","links":{"resolver":"https://pith.science/pith/KDGAMNNAMOCVDEMKPTM4ZB5GWO","bundle":"https://pith.science/pith/KDGAMNNAMOCVDEMKPTM4ZB5GWO/bundle.json","state":"https://pith.science/pith/KDGAMNNAMOCVDEMKPTM4ZB5GWO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KDGAMNNAMOCVDEMKPTM4ZB5GWO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:KDGAMNNAMOCVDEMKPTM4ZB5GWO","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":"d55040e437f829ca4b5e811baced26353b02fe40397986f3f6fd7dcad3c3f36c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-01-19T18:00:07Z","title_canon_sha256":"9d56c7cda10c6723053d3a6ebd1cab812fe35de37d554ac6610d36e5f9257f49"},"schema_version":"1.0","source":{"id":"2601.13265","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2601.13265","created_at":"2026-05-17T23:39:16Z"},{"alias_kind":"arxiv_version","alias_value":"2601.13265v1","created_at":"2026-05-17T23:39:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2601.13265","created_at":"2026-05-17T23:39:16Z"},{"alias_kind":"pith_short_12","alias_value":"KDGAMNNAMOCV","created_at":"2026-05-18T12:33:37Z"},{"alias_kind":"pith_short_16","alias_value":"KDGAMNNAMOCVDEMK","created_at":"2026-05-18T12:33:37Z"},{"alias_kind":"pith_short_8","alias_value":"KDGAMNNA","created_at":"2026-05-18T12:33:37Z"}],"graph_snapshots":[{"event_id":"sha256:f1baaeeddc89b1dbcc11ccdee5e6b4238c500c54c7bd69b570222a8360be99d3","target":"graph","created_at":"2026-05-17T23:39:16Z","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":4,"items":[{"attestation":"unclaimed","claim_id":"C1","kind":"strongest_claim","source":"verdict.strongest_claim","status":"machine_extracted","text":"Our microscopic theory reveals that several properties of quantum friction obtained in specific settings -- such as the cubic dependence on velocity at zero temperature -- are indeed universal features already present at the atomic scale."},{"attestation":"unclaimed","claim_id":"C2","kind":"weakest_assumption","source":"verdict.weakest_assumption","status":"machine_extracted","text":"The requirement that odd-order terms survive only in the presence of an internal dissipation mechanism, together with the assumption that the derived force properties hold for arbitrary scattering trajectories without further model details."},{"attestation":"unclaimed","claim_id":"C3","kind":"one_line_summary","source":"verdict.one_line_summary","status":"machine_extracted","text":"Microscopic quantum friction emerges as odd-order velocity terms from atom-atom dispersive interactions, with first-order dominance at room temperature and universal features like zero-temperature cubic velocity dependence already present at atomic scale."},{"attestation":"unclaimed","claim_id":"C4","kind":"headline","source":"verdict.pith_extraction.headline","status":"machine_extracted","text":"Quantum friction between two ground-state atoms arises from their relative motion coupled to dispersive response, appearing as odd-order terms in a velocity power series."}],"snapshot_sha256":"e81443bcc904b1d14a94ba9b9faf9ff8048b4e5a06abbe942d3a3ed69737cb3b"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We report on a microscopic theory of quantum friction. Our approach investigates the interplay between the dispersive response and the relative center-of-mass motion of two ground-state atoms. This coupling yields a quantum force, which can be expressed as a power series in the velocity. The significance of each contribution depends on its order parity: while even-order terms are reversible, odd-order terms are irreversible and only survive in the presence of an internal dissipation mechanism. In addition, we obtain general, model-independent properties for the work performed by these contribu","authors_text":"C. Farina, F. Impens, P. A. Maia Neto, Pedro H. Pereira, R. de Melo e Souza","cross_cats":[],"headline":"Quantum friction between two ground-state atoms arises from their relative motion coupled to dispersive response, appearing as odd-order terms in a velocity power series.","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-01-19T18:00:07Z","title":"Microscopic Quantum Friction"},"references":{"count":38,"internal_anchors":0,"resolved_work":38,"sample":[{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":1,"title":"A. Manjavacas and F. J. García de Abajo, Vacuum friction in rotating particles, Phys. Rev. Lett. 105, 113601 (2010)","work_id":"e2b0017d-023b-43eb-90e9-d192da4bfeb6","year":2010},{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":2,"title":"Z. Xu, Z. Jacob, and T. Li, Enhancement of rotational vacuum friction by surface photon tunneling, Nanophotonics 10, 537 (2021)","work_id":"6ff79dda-3b1e-4e92-b142-b04479acce70","year":2021},{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":3,"title":"S. Sanders, W. J. M. Kort-Kamp, D. A. R. Dalvit, and A. Manjavacas, Nanoscale transfer of angular momentum mediated by the casimir torque, Commun.Phys. 2, 71 (2019)","work_id":"78a08dd0-de97-44af-98f1-999513afe75c","year":2019},{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":4,"title":"G. Matos, R. de Melo e Souza, P. M. Neto, and F. Impens, Quantum vacuum sagnac eﬀect, Phys. Rev. Lett. 127, 270401 (2021)","work_id":"f08bfc01-ac9e-4531-b1bd-3f858fe92ebb","year":2021},{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":5,"title":"H. S. G. Amaral, P. P. Abrantes, F. Impens, P. A. M. Neto, and R. de Melo e Souza, Tailoring the van der waals interaction with rotation, Phys.Rev.Lett. 135, 243601 (2025)","work_id":"749c8633-7cc1-4550-a35f-51913b914349","year":2025}],"snapshot_sha256":"4ca2371ad904c8c8ed09ccbbcf347b11498379b56f0265e201cb577323e31882"},"source":{"id":"2601.13265","kind":"arxiv","version":1},"verdict":{"created_at":"2026-05-16T13:13:05.681725Z","id":"d1e2ee89-c912-4966-9ee0-d840a26a4915","model_set":{"reader":"grok-4.3"},"one_line_summary":"Microscopic quantum friction emerges as odd-order velocity terms from atom-atom dispersive interactions, with first-order dominance at room temperature and universal features like zero-temperature cubic velocity dependence already present at atomic scale.","pipeline_version":"pith-pipeline@v0.9.0","pith_extraction_headline":"Quantum friction between two ground-state atoms arises from their relative motion coupled to dispersive response, appearing as odd-order terms in a velocity power series.","strongest_claim":"Our microscopic theory reveals that several properties of quantum friction obtained in specific settings -- such as the cubic dependence on velocity at zero temperature -- are indeed universal features already present at the atomic scale.","weakest_assumption":"The requirement that odd-order terms survive only in the presence of an internal dissipation mechanism, together with the assumption that the derived force properties hold for arbitrary scattering trajectories without further model details."}},"verdict_id":"d1e2ee89-c912-4966-9ee0-d840a26a4915"}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:daace350a32fac0ac1f72922bfce1990d58986861b6abd7f69c6d9c8922c7199","target":"record","created_at":"2026-05-17T23:39:16Z","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":"d55040e437f829ca4b5e811baced26353b02fe40397986f3f6fd7dcad3c3f36c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-01-19T18:00:07Z","title_canon_sha256":"9d56c7cda10c6723053d3a6ebd1cab812fe35de37d554ac6610d36e5f9257f49"},"schema_version":"1.0","source":{"id":"2601.13265","kind":"arxiv","version":1}},"canonical_sha256":"50cc0635a0638551918a7cd9cc87a6b3a4a80045d44325024e46e4cc9ae915bc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"50cc0635a0638551918a7cd9cc87a6b3a4a80045d44325024e46e4cc9ae915bc","first_computed_at":"2026-05-17T23:39:16.619367Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:39:16.619367Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pMLgZgAKepbL5pncJbendyTlkUGJDsc7n8fkN8iUgK42/vT8KxUaDWU6J5Rl1cFRtZ7VRzhxYQCQCQU0N451Bg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:39:16.620125Z","signed_message":"canonical_sha256_bytes"},"source_id":"2601.13265","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:daace350a32fac0ac1f72922bfce1990d58986861b6abd7f69c6d9c8922c7199","sha256:f1baaeeddc89b1dbcc11ccdee5e6b4238c500c54c7bd69b570222a8360be99d3"],"state_sha256":"cdfbfc5e90f7b0317d69b580769c880196b2ef15c3b9edf9ff45302f1944c6c7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5RHAzhiP3XWcrJ7JynyxC9XczpRWM4pGM8kCGTwXqalIAbk6j7SNSWTPMsOi7b2CJq58gpQXodYdAkGoDzcSBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T12:40:16.219539Z","bundle_sha256":"39bd149d9c26bb3c8238d90a15d202010e4eef806d296eca55dc99641b356061"}}