{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:JMRI4TWD4LVLZPXQJW5SIRT4Y4","short_pith_number":"pith:JMRI4TWD","canonical_record":{"source":{"id":"0904.2247","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2009-04-15T07:03:28Z","cross_cats_sorted":["hep-th","nucl-ex"],"title_canon_sha256":"49a8baad6ff3da88cf4538a0030a91f6d082ff2ad52b680c0f47b400482db78d","abstract_canon_sha256":"e86e51b3b4d943d449062a18dd151af1565c8a87e97bad217c1ba79696d34b0c"},"schema_version":"1.0"},"canonical_sha256":"4b228e4ec3e2eabcbef04dbb24467cc720540dddfc647eaf278ebe03baf7100d","source":{"kind":"arxiv","id":"0904.2247","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0904.2247","created_at":"2026-05-18T02:14:00Z"},{"alias_kind":"arxiv_version","alias_value":"0904.2247v2","created_at":"2026-05-18T02:14:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0904.2247","created_at":"2026-05-18T02:14:00Z"},{"alias_kind":"pith_short_12","alias_value":"JMRI4TWD4LVL","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_16","alias_value":"JMRI4TWD4LVLZPXQ","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_8","alias_value":"JMRI4TWD","created_at":"2026-05-18T12:26:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:JMRI4TWD4LVLZPXQJW5SIRT4Y4","target":"record","payload":{"canonical_record":{"source":{"id":"0904.2247","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2009-04-15T07:03:28Z","cross_cats_sorted":["hep-th","nucl-ex"],"title_canon_sha256":"49a8baad6ff3da88cf4538a0030a91f6d082ff2ad52b680c0f47b400482db78d","abstract_canon_sha256":"e86e51b3b4d943d449062a18dd151af1565c8a87e97bad217c1ba79696d34b0c"},"schema_version":"1.0"},"canonical_sha256":"4b228e4ec3e2eabcbef04dbb24467cc720540dddfc647eaf278ebe03baf7100d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:14:00.353797Z","signature_b64":"buxztLptvpoVs4p3NCYav9mNY1Gh9yDScKv4itidgcS9voxMfcsaxvCXVb/DUL5fIG3FUF/SNdK409mRFtffCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4b228e4ec3e2eabcbef04dbb24467cc720540dddfc647eaf278ebe03baf7100d","last_reissued_at":"2026-05-18T02:14:00.353081Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:14:00.353081Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0904.2247","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":"2026-05-18T02:14:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QKt+jU8jwJY0VEtwf7x6SArOQGvyh5f1biQq66rOJolWWnTLGb8vQTbHtwPqun+Bc+ufhIIhMNEByyK6hOlyCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T07:25:23.360763Z"},"content_sha256":"a991093bdcb32cad3432f95aa56618f09ec2b4c892660e75978bcebcf79ca1f2","schema_version":"1.0","event_id":"sha256:a991093bdcb32cad3432f95aa56618f09ec2b4c892660e75978bcebcf79ca1f2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:JMRI4TWD4LVLZPXQJW5SIRT4Y4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Angular bremsstrahlung during $\\alpha$-decay, emission from the internal region and unified formula of the bremsstrahlung probability","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th","nucl-ex"],"primary_cat":"nucl-th","authors_text":"National Academy of Science of Ukraine), Sergei P. Maydanyuk (Institute for Nuclear Research","submitted_at":"2009-04-15T07:03:28Z","abstract_excerpt":"Model of angular bremsstrahlung of photons emitted during $\\alpha$-decay is presented. A special emphasis is given on development of unified formalism of matrix elements in the dipole and multipolar approaches. A probability of the emission of photons calculated on the basis of the multipole model without any normalization on experimental data (i. e. in absolute scale) is found at $90^{\\circ}$ of the angle $\\vartheta_{\\alpha\\gamma}$ between directions of motion of the $\\alpha$-particle (with its tunneling under barrier) and emission of photons to be in a good agreement with the newest experime"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0904.2247","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":"2026-05-18T02:14:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9Mm/TcPQTZcQvqjdo6chL6iUX7ZW8pLJpKxbuBIJqT22PDHRzxVwf41cNmfQoedk1N9BAOfsqMh3IMTNVWNJCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T07:25:23.361124Z"},"content_sha256":"f91334cdefa5ab7a341d7936e3dee30566093cfc66681434cc39b94d84ba070b","schema_version":"1.0","event_id":"sha256:f91334cdefa5ab7a341d7936e3dee30566093cfc66681434cc39b94d84ba070b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JMRI4TWD4LVLZPXQJW5SIRT4Y4/bundle.json","state_url":"https://pith.science/pith/JMRI4TWD4LVLZPXQJW5SIRT4Y4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JMRI4TWD4LVLZPXQJW5SIRT4Y4/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":"2026-05-28T07:25:23Z","links":{"resolver":"https://pith.science/pith/JMRI4TWD4LVLZPXQJW5SIRT4Y4","bundle":"https://pith.science/pith/JMRI4TWD4LVLZPXQJW5SIRT4Y4/bundle.json","state":"https://pith.science/pith/JMRI4TWD4LVLZPXQJW5SIRT4Y4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JMRI4TWD4LVLZPXQJW5SIRT4Y4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:JMRI4TWD4LVLZPXQJW5SIRT4Y4","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":"e86e51b3b4d943d449062a18dd151af1565c8a87e97bad217c1ba79696d34b0c","cross_cats_sorted":["hep-th","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2009-04-15T07:03:28Z","title_canon_sha256":"49a8baad6ff3da88cf4538a0030a91f6d082ff2ad52b680c0f47b400482db78d"},"schema_version":"1.0","source":{"id":"0904.2247","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0904.2247","created_at":"2026-05-18T02:14:00Z"},{"alias_kind":"arxiv_version","alias_value":"0904.2247v2","created_at":"2026-05-18T02:14:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0904.2247","created_at":"2026-05-18T02:14:00Z"},{"alias_kind":"pith_short_12","alias_value":"JMRI4TWD4LVL","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_16","alias_value":"JMRI4TWD4LVLZPXQ","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_8","alias_value":"JMRI4TWD","created_at":"2026-05-18T12:26:00Z"}],"graph_snapshots":[{"event_id":"sha256:f91334cdefa5ab7a341d7936e3dee30566093cfc66681434cc39b94d84ba070b","target":"graph","created_at":"2026-05-18T02:14:00Z","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":"Model of angular bremsstrahlung of photons emitted during $\\alpha$-decay is presented. A special emphasis is given on development of unified formalism of matrix elements in the dipole and multipolar approaches. A probability of the emission of photons calculated on the basis of the multipole model without any normalization on experimental data (i. e. in absolute scale) is found at $90^{\\circ}$ of the angle $\\vartheta_{\\alpha\\gamma}$ between directions of motion of the $\\alpha$-particle (with its tunneling under barrier) and emission of photons to be in a good agreement with the newest experime","authors_text":"National Academy of Science of Ukraine), Sergei P. Maydanyuk (Institute for Nuclear Research","cross_cats":["hep-th","nucl-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2009-04-15T07:03:28Z","title":"Angular bremsstrahlung during $\\alpha$-decay, emission from the internal region and unified formula of the bremsstrahlung probability"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0904.2247","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:a991093bdcb32cad3432f95aa56618f09ec2b4c892660e75978bcebcf79ca1f2","target":"record","created_at":"2026-05-18T02:14:00Z","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":"e86e51b3b4d943d449062a18dd151af1565c8a87e97bad217c1ba79696d34b0c","cross_cats_sorted":["hep-th","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2009-04-15T07:03:28Z","title_canon_sha256":"49a8baad6ff3da88cf4538a0030a91f6d082ff2ad52b680c0f47b400482db78d"},"schema_version":"1.0","source":{"id":"0904.2247","kind":"arxiv","version":2}},"canonical_sha256":"4b228e4ec3e2eabcbef04dbb24467cc720540dddfc647eaf278ebe03baf7100d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4b228e4ec3e2eabcbef04dbb24467cc720540dddfc647eaf278ebe03baf7100d","first_computed_at":"2026-05-18T02:14:00.353081Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:14:00.353081Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"buxztLptvpoVs4p3NCYav9mNY1Gh9yDScKv4itidgcS9voxMfcsaxvCXVb/DUL5fIG3FUF/SNdK409mRFtffCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:14:00.353797Z","signed_message":"canonical_sha256_bytes"},"source_id":"0904.2247","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a991093bdcb32cad3432f95aa56618f09ec2b4c892660e75978bcebcf79ca1f2","sha256:f91334cdefa5ab7a341d7936e3dee30566093cfc66681434cc39b94d84ba070b"],"state_sha256":"be3df91a18b41e0f75382e8c5b3c3acfb13d5900a253442063e8ff92032b60b6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wYpXN2r/Z+d8X3ww6sp6cAYMBKuf/5klG78BM/rIkykjn25ItY8LC7xqO0dP1zrLkrfVaP70flDR8gFxYUUxDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T07:25:23.363156Z","bundle_sha256":"9fbb31e47acea3e697fce2405d857459fda197d685e9e0241e482f21c0f29ffb"}}