{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:ZAGMUU4AN7VKLEYK57OIU5P63Z","short_pith_number":"pith:ZAGMUU4A","canonical_record":{"source":{"id":"2606.26097","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2026-06-24T17:59:59Z","cross_cats_sorted":["nucl-ex","nucl-th"],"title_canon_sha256":"883f5d182410e7ef17f2c9dc9513e3905c067bfa4b766d564232eafd0eea6304","abstract_canon_sha256":"23c5d140ff6629377ac6124780ee0011efa6ad2b39ae407955c48be3aa03952d"},"schema_version":"1.0"},"canonical_sha256":"c80cca53806feaa5930aefdc8a75fede680bca137dbd26f262f4b178e7960b3e","source":{"kind":"arxiv","id":"2606.26097","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.26097","created_at":"2026-06-25T01:18:48Z"},{"alias_kind":"arxiv_version","alias_value":"2606.26097v1","created_at":"2026-06-25T01:18:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.26097","created_at":"2026-06-25T01:18:48Z"},{"alias_kind":"pith_short_12","alias_value":"ZAGMUU4AN7VK","created_at":"2026-06-25T01:18:48Z"},{"alias_kind":"pith_short_16","alias_value":"ZAGMUU4AN7VKLEYK","created_at":"2026-06-25T01:18:48Z"},{"alias_kind":"pith_short_8","alias_value":"ZAGMUU4A","created_at":"2026-06-25T01:18:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:ZAGMUU4AN7VKLEYK57OIU5P63Z","target":"record","payload":{"canonical_record":{"source":{"id":"2606.26097","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2026-06-24T17:59:59Z","cross_cats_sorted":["nucl-ex","nucl-th"],"title_canon_sha256":"883f5d182410e7ef17f2c9dc9513e3905c067bfa4b766d564232eafd0eea6304","abstract_canon_sha256":"23c5d140ff6629377ac6124780ee0011efa6ad2b39ae407955c48be3aa03952d"},"schema_version":"1.0"},"canonical_sha256":"c80cca53806feaa5930aefdc8a75fede680bca137dbd26f262f4b178e7960b3e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-25T01:18:48.460876Z","signature_b64":"fsvaMt4KyayMuA0rhPUp4JMDr8w8WHFnityNYETuzCWRFTsMOdOpAqCxRyLVQ1knV8uoBgRntoA0oVx7ylAAAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c80cca53806feaa5930aefdc8a75fede680bca137dbd26f262f4b178e7960b3e","last_reissued_at":"2026-06-25T01:18:48.460558Z","signature_status":"signed_v1","first_computed_at":"2026-06-25T01:18:48.460558Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.26097","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":"2026-06-25T01:18:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IEisokqFx0KhImDW3M4pzLhOHBaK64EbjSgqvngiCaXCXHQvgyvzDeymIA8pxt1BZGr/LtjKBVkDJPkO5E/uCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-29T04:49:50.235635Z"},"content_sha256":"26812cc15c81048d45cf4787f2f7f1fbb535f66ac44eae74db2538062294ee31","schema_version":"1.0","event_id":"sha256:26812cc15c81048d45cf4787f2f7f1fbb535f66ac44eae74db2538062294ee31"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:ZAGMUU4AN7VKLEYK57OIU5P63Z","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Positron-Emitting and Electron-Capturing Double-Beta Processes in the Standard Model and Beyond","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["nucl-ex","nucl-th"],"primary_cat":"hep-ph","authors_text":"Jenni Kotila, Luk\\'a\\v{s} Gr\\'af, Oliver Scholer","submitted_at":"2026-06-24T17:59:59Z","abstract_excerpt":"We study positron-emitting and electron-capturing double-beta-decay modes as probes complementary to the usual double beta decay. Motivated by the proposed NuDoubt++ experiment, we analyze the candidate isotopes ${}^{78}$Kr, ${}^{106}$Cd, and ${}^{124}$Xe, providing nuclear matrix elements and phase-space factors for both neutrinoful and neutrinoless modes. For the Standard-Model channels, we find that $2\\nu$ECEC and $2\\nu\\beta^+$EC are the most experimentally accessible, whereas $2\\nu\\beta^+\\beta^+$ remains strongly phase-space suppressed. For the neutrinoless channel, we interpret a projecte"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.26097","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/2606.26097/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":"2026-06-25T01:18:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wxopfKg9pQDC9iOyEyX7UTlP+ss0ANRpexktrSicjI+jAeTCXDCgyPEzDL3pILAM53Tc4+c9swwvo3ADVeuSDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-29T04:49:50.236009Z"},"content_sha256":"2adebbfae8d1229794e84b00c8b309c76fb46653dba547b165f5a312120464da","schema_version":"1.0","event_id":"sha256:2adebbfae8d1229794e84b00c8b309c76fb46653dba547b165f5a312120464da"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZAGMUU4AN7VKLEYK57OIU5P63Z/bundle.json","state_url":"https://pith.science/pith/ZAGMUU4AN7VKLEYK57OIU5P63Z/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZAGMUU4AN7VKLEYK57OIU5P63Z/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":"2026-06-29T04:49:50Z","links":{"resolver":"https://pith.science/pith/ZAGMUU4AN7VKLEYK57OIU5P63Z","bundle":"https://pith.science/pith/ZAGMUU4AN7VKLEYK57OIU5P63Z/bundle.json","state":"https://pith.science/pith/ZAGMUU4AN7VKLEYK57OIU5P63Z/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZAGMUU4AN7VKLEYK57OIU5P63Z/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:ZAGMUU4AN7VKLEYK57OIU5P63Z","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":"23c5d140ff6629377ac6124780ee0011efa6ad2b39ae407955c48be3aa03952d","cross_cats_sorted":["nucl-ex","nucl-th"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2026-06-24T17:59:59Z","title_canon_sha256":"883f5d182410e7ef17f2c9dc9513e3905c067bfa4b766d564232eafd0eea6304"},"schema_version":"1.0","source":{"id":"2606.26097","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.26097","created_at":"2026-06-25T01:18:48Z"},{"alias_kind":"arxiv_version","alias_value":"2606.26097v1","created_at":"2026-06-25T01:18:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.26097","created_at":"2026-06-25T01:18:48Z"},{"alias_kind":"pith_short_12","alias_value":"ZAGMUU4AN7VK","created_at":"2026-06-25T01:18:48Z"},{"alias_kind":"pith_short_16","alias_value":"ZAGMUU4AN7VKLEYK","created_at":"2026-06-25T01:18:48Z"},{"alias_kind":"pith_short_8","alias_value":"ZAGMUU4A","created_at":"2026-06-25T01:18:48Z"}],"graph_snapshots":[{"event_id":"sha256:2adebbfae8d1229794e84b00c8b309c76fb46653dba547b165f5a312120464da","target":"graph","created_at":"2026-06-25T01:18:48Z","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/2606.26097/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study positron-emitting and electron-capturing double-beta-decay modes as probes complementary to the usual double beta decay. Motivated by the proposed NuDoubt++ experiment, we analyze the candidate isotopes ${}^{78}$Kr, ${}^{106}$Cd, and ${}^{124}$Xe, providing nuclear matrix elements and phase-space factors for both neutrinoful and neutrinoless modes. For the Standard-Model channels, we find that $2\\nu$ECEC and $2\\nu\\beta^+$EC are the most experimentally accessible, whereas $2\\nu\\beta^+\\beta^+$ remains strongly phase-space suppressed. For the neutrinoless channel, we interpret a projecte","authors_text":"Jenni Kotila, Luk\\'a\\v{s} Gr\\'af, Oliver Scholer","cross_cats":["nucl-ex","nucl-th"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2026-06-24T17:59:59Z","title":"Positron-Emitting and Electron-Capturing Double-Beta Processes in the Standard Model and Beyond"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.26097","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":"sha256:26812cc15c81048d45cf4787f2f7f1fbb535f66ac44eae74db2538062294ee31","target":"record","created_at":"2026-06-25T01:18:48Z","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":"23c5d140ff6629377ac6124780ee0011efa6ad2b39ae407955c48be3aa03952d","cross_cats_sorted":["nucl-ex","nucl-th"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2026-06-24T17:59:59Z","title_canon_sha256":"883f5d182410e7ef17f2c9dc9513e3905c067bfa4b766d564232eafd0eea6304"},"schema_version":"1.0","source":{"id":"2606.26097","kind":"arxiv","version":1}},"canonical_sha256":"c80cca53806feaa5930aefdc8a75fede680bca137dbd26f262f4b178e7960b3e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c80cca53806feaa5930aefdc8a75fede680bca137dbd26f262f4b178e7960b3e","first_computed_at":"2026-06-25T01:18:48.460558Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-25T01:18:48.460558Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fsvaMt4KyayMuA0rhPUp4JMDr8w8WHFnityNYETuzCWRFTsMOdOpAqCxRyLVQ1knV8uoBgRntoA0oVx7ylAAAA==","signature_status":"signed_v1","signed_at":"2026-06-25T01:18:48.460876Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.26097","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:26812cc15c81048d45cf4787f2f7f1fbb535f66ac44eae74db2538062294ee31","sha256:2adebbfae8d1229794e84b00c8b309c76fb46653dba547b165f5a312120464da"],"state_sha256":"d168f59dc42c0e100c5f9e0686169b53ceead817739b613f6cd7f8aa368920a6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U8WB5WtCDxJpeGPq74nWvTXByMiWBE1AmJNCs0NUfVXs2OVORIEOK750Kv0mDVhcKjvWu70ngabHGFIVnVL1Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-29T04:49:50.237923Z","bundle_sha256":"01458f3a64a1a1ae748742298ea6bf211ad5da98f6f8507c16c08057776e7163"}}