{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:4RSR3UHA55DTQ5FMEWHDBW3PFJ","short_pith_number":"pith:4RSR3UHA","canonical_record":{"source":{"id":"2605.14987","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.med-ph","submitted_at":"2026-05-14T15:49:19Z","cross_cats_sorted":["physics.comp-ph"],"title_canon_sha256":"ba357689b71b6950f1da9a70838462c4b55c076cc748ec3dfba7f53854d33ab5","abstract_canon_sha256":"0eef5c49d695a820fb3edb77f57bf8f6b7990ae88c94a7d616d557103616b1ef"},"schema_version":"1.0"},"canonical_sha256":"e4651dd0e0ef473874ac258e30db6f2a5f6b7b52be3f775e00a1c8fa7e56ad1c","source":{"kind":"arxiv","id":"2605.14987","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.14987","created_at":"2026-05-17T23:38:55Z"},{"alias_kind":"arxiv_version","alias_value":"2605.14987v1","created_at":"2026-05-17T23:38:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.14987","created_at":"2026-05-17T23:38:55Z"},{"alias_kind":"pith_short_12","alias_value":"4RSR3UHA55DT","created_at":"2026-05-18T12:33:37Z"},{"alias_kind":"pith_short_16","alias_value":"4RSR3UHA55DTQ5FM","created_at":"2026-05-18T12:33:37Z"},{"alias_kind":"pith_short_8","alias_value":"4RSR3UHA","created_at":"2026-05-18T12:33:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:4RSR3UHA55DTQ5FMEWHDBW3PFJ","target":"record","payload":{"canonical_record":{"source":{"id":"2605.14987","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.med-ph","submitted_at":"2026-05-14T15:49:19Z","cross_cats_sorted":["physics.comp-ph"],"title_canon_sha256":"ba357689b71b6950f1da9a70838462c4b55c076cc748ec3dfba7f53854d33ab5","abstract_canon_sha256":"0eef5c49d695a820fb3edb77f57bf8f6b7990ae88c94a7d616d557103616b1ef"},"schema_version":"1.0"},"canonical_sha256":"e4651dd0e0ef473874ac258e30db6f2a5f6b7b52be3f775e00a1c8fa7e56ad1c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:38:55.052980Z","signature_b64":"9AP/be0MtmvuQ6Eqh9Tqig6ckCAW5n38QA9GdmA8SygTF7kjSlhwnzdjja27+zojlG6KoctSHPiZ56jQV0xVAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e4651dd0e0ef473874ac258e30db6f2a5f6b7b52be3f775e00a1c8fa7e56ad1c","last_reissued_at":"2026-05-17T23:38:55.052328Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:38:55.052328Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.14987","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":"2026-05-17T23:38:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KBx5cHMXzeRnUiIRSCZzDr2hercvXKPr4a1vuUQDwtAbpTVB22Dk3P4hqDGNlnsaahXjG1mXYz/uhNQbwzZ5Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T07:15:08.709118Z"},"content_sha256":"af22e72878421d22bdb38d466638b97a09a74b0af71823f13a2f153bec57951b","schema_version":"1.0","event_id":"sha256:af22e72878421d22bdb38d466638b97a09a74b0af71823f13a2f153bec57951b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:4RSR3UHA55DTQ5FMEWHDBW3PFJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Monte Carlo positronium decay source model with multiple annihilation channels in GATE","license":"http://creativecommons.org/licenses/by/4.0/","headline":"A modular multi-channel positronium decay model has been implemented in GATE for Monte Carlo simulations.","cross_cats":["physics.comp-ph"],"primary_cat":"physics.med-ph","authors_text":"Aur\\'elien Coussat, Beatrix C. Hiesmayr, Kamil Dulski, Konrad Klimaszewski, Lech Raczy\\'nski, Mateusz Bala, Micha{\\l} Obara, Roman Y. Shopa, Wojciech Krzemien, Wojciech Zdeb","submitted_at":"2026-05-14T15:49:19Z","abstract_excerpt":"Positronium-based imaging requires realistic modelling of positronium (Ps) decay in matter. We introduce a modular Ps decay model implemented in GATE 9.4 and GATE 10, enabling the definition of an arbitrary number of decay channels characterised by lifetime, branching fraction, annihilation multiplicity (2g/3g), and optional prompt photon emission. The model is validated through analytical and numerical benchmarks, including lifetime distributions, branching fraction consistency, photon kinematics, and prompt photon emission. Its practical applicability is demonstrated using simulations of mix"},"claims":{"count":4,"items":[{"kind":"strongest_claim","text":"This work provides the first general-purpose, multi-channel positronium decay model integrated into GATE, enabling realistic simulations of positronium behaviour in complex media.","source":"verdict.strongest_claim","status":"machine_extracted","claim_id":"C1","attestation":"unclaimed"},{"kind":"weakest_assumption","text":"The model assumes that decay channels are independent and that standard Monte Carlo sampling of exponential lifetimes and photon kinematics is sufficient without additional medium-dependent effects or correlations beyond the user-specified parameters.","source":"verdict.weakest_assumption","status":"machine_extracted","claim_id":"C2","attestation":"unclaimed"},{"kind":"one_line_summary","text":"A general-purpose multi-channel positronium decay source model is implemented and benchmarked in GATE 9.4 and 10 for accurate Monte Carlo simulation of annihilation lifetimes and photon kinematics.","source":"verdict.one_line_summary","status":"machine_extracted","claim_id":"C3","attestation":"unclaimed"},{"kind":"headline","text":"A modular multi-channel positronium decay model has been implemented in GATE for Monte Carlo simulations.","source":"verdict.pith_extraction.headline","status":"machine_extracted","claim_id":"C4","attestation":"unclaimed"}],"snapshot_sha256":"fd31aa378480db55bbaf573dcd17ae794522c687ac181e8a711ed57e79fd79b7"},"source":{"id":"2605.14987","kind":"arxiv","version":1},"verdict":{"id":"a98b0cbb-5ffa-41d5-ab5f-a604f35d1f29","model_set":{"reader":"grok-4.3"},"created_at":"2026-05-15T02:52:03.310813Z","strongest_claim":"This work provides the first general-purpose, multi-channel positronium decay model integrated into GATE, enabling realistic simulations of positronium behaviour in complex media.","one_line_summary":"A general-purpose multi-channel positronium decay source model is implemented and benchmarked in GATE 9.4 and 10 for accurate Monte Carlo simulation of annihilation lifetimes and photon kinematics.","pipeline_version":"pith-pipeline@v0.9.0","weakest_assumption":"The model assumes that decay channels are independent and that standard Monte Carlo sampling of exponential lifetimes and photon kinematics is sufficient without additional medium-dependent effects or correlations beyond the user-specified parameters.","pith_extraction_headline":"A modular multi-channel positronium decay model has been implemented in GATE for Monte Carlo simulations."},"references":{"count":30,"sample":[{"doi":"","year":2002,"title":"Adkins, G. S., Fell, R. N., and Sapirstein, J. (2002). Two-loop correction to the orthopositronium decay rate.Annals of Physics, 295(2):136–193","work_id":"ce197787-fb43-45a4-bec1-280fd2608635","ref_index":1,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2003,"title":"Adkins, G. S., McGovern, N. M., Fell, R. N., and Sapirstein, J. (2003). Two-loop corrections to the decay rate of parapositronium.Phys. Rev. A, 68:032512","work_id":"3beec20d-dbd5-4db6-875e-3bec0410b485","ref_index":2,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2016,"title":"M., Yamashita, T., Yarba, J., and Yoshida, H","work_id":"107e6d9f-874d-4d5c-b5d8-d586ecff3d2c","ref_index":3,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2020,"title":"Dulski, K. (2020). Pals avalanche — a new pal spectra analysis software.Acta Phys. Pol. A, 137(2):167–170","work_id":"b1ba6fc6-d5b5-4db6-bc78-8b38e133c335","ref_index":4,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2018,"title":"Y., Silarski, M., Skurzok, M andWiślicki, W., Zgardzińska, B., and P, M","work_id":"61d0bc67-c7c4-44fe-ba88-c9fd07d2f0a3","ref_index":5,"cited_arxiv_id":"","is_internal_anchor":false}],"resolved_work":30,"snapshot_sha256":"a99af8985ccc5e50e4223ab9fc4c85fad20174412e640838b72c8a288a69456b","internal_anchors":0},"formal_canon":{"evidence_count":2,"snapshot_sha256":"f2b3ebf595fc7d8fa7914ca13ddb989676b43a276d6075248a8c3bc5d22e2a0a"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":"a98b0cbb-5ffa-41d5-ab5f-a604f35d1f29"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:38:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vWb9GlOaH8maUBpvr+dFZ0FJ8hYj/rpvgU0LmAhpzLF63iBz8rvcva98+3Px1CeEuPch2Z4wwAHnL5KUpnpwCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T07:15:08.710306Z"},"content_sha256":"46121d0e5a354814061f4cc345fd7ab51c25388dd324d224da9ba56676dea395","schema_version":"1.0","event_id":"sha256:46121d0e5a354814061f4cc345fd7ab51c25388dd324d224da9ba56676dea395"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4RSR3UHA55DTQ5FMEWHDBW3PFJ/bundle.json","state_url":"https://pith.science/pith/4RSR3UHA55DTQ5FMEWHDBW3PFJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4RSR3UHA55DTQ5FMEWHDBW3PFJ/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":"2026-05-27T07:15:08Z","links":{"resolver":"https://pith.science/pith/4RSR3UHA55DTQ5FMEWHDBW3PFJ","bundle":"https://pith.science/pith/4RSR3UHA55DTQ5FMEWHDBW3PFJ/bundle.json","state":"https://pith.science/pith/4RSR3UHA55DTQ5FMEWHDBW3PFJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4RSR3UHA55DTQ5FMEWHDBW3PFJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:4RSR3UHA55DTQ5FMEWHDBW3PFJ","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":"0eef5c49d695a820fb3edb77f57bf8f6b7990ae88c94a7d616d557103616b1ef","cross_cats_sorted":["physics.comp-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.med-ph","submitted_at":"2026-05-14T15:49:19Z","title_canon_sha256":"ba357689b71b6950f1da9a70838462c4b55c076cc748ec3dfba7f53854d33ab5"},"schema_version":"1.0","source":{"id":"2605.14987","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.14987","created_at":"2026-05-17T23:38:55Z"},{"alias_kind":"arxiv_version","alias_value":"2605.14987v1","created_at":"2026-05-17T23:38:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.14987","created_at":"2026-05-17T23:38:55Z"},{"alias_kind":"pith_short_12","alias_value":"4RSR3UHA55DT","created_at":"2026-05-18T12:33:37Z"},{"alias_kind":"pith_short_16","alias_value":"4RSR3UHA55DTQ5FM","created_at":"2026-05-18T12:33:37Z"},{"alias_kind":"pith_short_8","alias_value":"4RSR3UHA","created_at":"2026-05-18T12:33:37Z"}],"graph_snapshots":[{"event_id":"sha256:46121d0e5a354814061f4cc345fd7ab51c25388dd324d224da9ba56676dea395","target":"graph","created_at":"2026-05-17T23:38:55Z","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":"This work provides the first general-purpose, multi-channel positronium decay model integrated into GATE, enabling realistic simulations of positronium behaviour in complex media."},{"attestation":"unclaimed","claim_id":"C2","kind":"weakest_assumption","source":"verdict.weakest_assumption","status":"machine_extracted","text":"The model assumes that decay channels are independent and that standard Monte Carlo sampling of exponential lifetimes and photon kinematics is sufficient without additional medium-dependent effects or correlations beyond the user-specified parameters."},{"attestation":"unclaimed","claim_id":"C3","kind":"one_line_summary","source":"verdict.one_line_summary","status":"machine_extracted","text":"A general-purpose multi-channel positronium decay source model is implemented and benchmarked in GATE 9.4 and 10 for accurate Monte Carlo simulation of annihilation lifetimes and photon kinematics."},{"attestation":"unclaimed","claim_id":"C4","kind":"headline","source":"verdict.pith_extraction.headline","status":"machine_extracted","text":"A modular multi-channel positronium decay model has been implemented in GATE for Monte Carlo simulations."}],"snapshot_sha256":"fd31aa378480db55bbaf573dcd17ae794522c687ac181e8a711ed57e79fd79b7"},"formal_canon":{"evidence_count":2,"snapshot_sha256":"f2b3ebf595fc7d8fa7914ca13ddb989676b43a276d6075248a8c3bc5d22e2a0a"},"paper":{"abstract_excerpt":"Positronium-based imaging requires realistic modelling of positronium (Ps) decay in matter. We introduce a modular Ps decay model implemented in GATE 9.4 and GATE 10, enabling the definition of an arbitrary number of decay channels characterised by lifetime, branching fraction, annihilation multiplicity (2g/3g), and optional prompt photon emission. The model is validated through analytical and numerical benchmarks, including lifetime distributions, branching fraction consistency, photon kinematics, and prompt photon emission. Its practical applicability is demonstrated using simulations of mix","authors_text":"Aur\\'elien Coussat, Beatrix C. Hiesmayr, Kamil Dulski, Konrad Klimaszewski, Lech Raczy\\'nski, Mateusz Bala, Micha{\\l} Obara, Roman Y. Shopa, Wojciech Krzemien, Wojciech Zdeb","cross_cats":["physics.comp-ph"],"headline":"A modular multi-channel positronium decay model has been implemented in GATE for Monte Carlo simulations.","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.med-ph","submitted_at":"2026-05-14T15:49:19Z","title":"A Monte Carlo positronium decay source model with multiple annihilation channels in GATE"},"references":{"count":30,"internal_anchors":0,"resolved_work":30,"sample":[{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":1,"title":"Adkins, G. S., Fell, R. N., and Sapirstein, J. (2002). Two-loop correction to the orthopositronium decay rate.Annals of Physics, 295(2):136–193","work_id":"ce197787-fb43-45a4-bec1-280fd2608635","year":2002},{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":2,"title":"Adkins, G. S., McGovern, N. M., Fell, R. N., and Sapirstein, J. (2003). Two-loop corrections to the decay rate of parapositronium.Phys. Rev. A, 68:032512","work_id":"3beec20d-dbd5-4db6-875e-3bec0410b485","year":2003},{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":3,"title":"M., Yamashita, T., Yarba, J., and Yoshida, H","work_id":"107e6d9f-874d-4d5c-b5d8-d586ecff3d2c","year":2016},{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":4,"title":"Dulski, K. (2020). Pals avalanche — a new pal spectra analysis software.Acta Phys. Pol. A, 137(2):167–170","work_id":"b1ba6fc6-d5b5-4db6-bc78-8b38e133c335","year":2020},{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":5,"title":"Y., Silarski, M., Skurzok, M andWiślicki, W., Zgardzińska, B., and P, M","work_id":"61d0bc67-c7c4-44fe-ba88-c9fd07d2f0a3","year":2018}],"snapshot_sha256":"a99af8985ccc5e50e4223ab9fc4c85fad20174412e640838b72c8a288a69456b"},"source":{"id":"2605.14987","kind":"arxiv","version":1},"verdict":{"created_at":"2026-05-15T02:52:03.310813Z","id":"a98b0cbb-5ffa-41d5-ab5f-a604f35d1f29","model_set":{"reader":"grok-4.3"},"one_line_summary":"A general-purpose multi-channel positronium decay source model is implemented and benchmarked in GATE 9.4 and 10 for accurate Monte Carlo simulation of annihilation lifetimes and photon kinematics.","pipeline_version":"pith-pipeline@v0.9.0","pith_extraction_headline":"A modular multi-channel positronium decay model has been implemented in GATE for Monte Carlo simulations.","strongest_claim":"This work provides the first general-purpose, multi-channel positronium decay model integrated into GATE, enabling realistic simulations of positronium behaviour in complex media.","weakest_assumption":"The model assumes that decay channels are independent and that standard Monte Carlo sampling of exponential lifetimes and photon kinematics is sufficient without additional medium-dependent effects or correlations beyond the user-specified parameters."}},"verdict_id":"a98b0cbb-5ffa-41d5-ab5f-a604f35d1f29"}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:af22e72878421d22bdb38d466638b97a09a74b0af71823f13a2f153bec57951b","target":"record","created_at":"2026-05-17T23:38:55Z","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":"0eef5c49d695a820fb3edb77f57bf8f6b7990ae88c94a7d616d557103616b1ef","cross_cats_sorted":["physics.comp-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.med-ph","submitted_at":"2026-05-14T15:49:19Z","title_canon_sha256":"ba357689b71b6950f1da9a70838462c4b55c076cc748ec3dfba7f53854d33ab5"},"schema_version":"1.0","source":{"id":"2605.14987","kind":"arxiv","version":1}},"canonical_sha256":"e4651dd0e0ef473874ac258e30db6f2a5f6b7b52be3f775e00a1c8fa7e56ad1c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e4651dd0e0ef473874ac258e30db6f2a5f6b7b52be3f775e00a1c8fa7e56ad1c","first_computed_at":"2026-05-17T23:38:55.052328Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:38:55.052328Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9AP/be0MtmvuQ6Eqh9Tqig6ckCAW5n38QA9GdmA8SygTF7kjSlhwnzdjja27+zojlG6KoctSHPiZ56jQV0xVAA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:38:55.052980Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.14987","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:af22e72878421d22bdb38d466638b97a09a74b0af71823f13a2f153bec57951b","sha256:46121d0e5a354814061f4cc345fd7ab51c25388dd324d224da9ba56676dea395"],"state_sha256":"00e74ebf180400245502525628f538fe15f38c02dde76bdf4c1f3a3ee92d9b91"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hWJrEDEnnUwuSO6g47FOAm/UuEQ8uXSyggFNbBiZCcIt5SWbUzg87lzeQTfHmiBVvpEkZwQ1WOYb97d9Ehe+Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T07:15:08.715446Z","bundle_sha256":"60eed7ba6d977a53f1f3581b19beae55048b494cdea70acb1d5740e77a71958e"}}