{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:XUXB5GKBA4JLZFXMFNYU72LEGE","short_pith_number":"pith:XUXB5GKB","canonical_record":{"source":{"id":"2106.06548","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2021-06-11T18:00:02Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"6038b8f6c3298f71707c3232afaac49c8f745b0ac4d73b43c9eada23dd8f566f","abstract_canon_sha256":"4274d48f372de813c203536fbfe8bfa20a5532f3ee3389b7e8ead403a480979e"},"schema_version":"1.0"},"canonical_sha256":"bd2e1e99410712bc96ec2b714fe964313acf2959029707c547ebcd777d1dee44","source":{"kind":"arxiv","id":"2106.06548","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2106.06548","created_at":"2026-07-05T03:16:18Z"},{"alias_kind":"arxiv_version","alias_value":"2106.06548v2","created_at":"2026-07-05T03:16:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2106.06548","created_at":"2026-07-05T03:16:18Z"},{"alias_kind":"pith_short_12","alias_value":"XUXB5GKBA4JL","created_at":"2026-07-05T03:16:18Z"},{"alias_kind":"pith_short_16","alias_value":"XUXB5GKBA4JLZFXM","created_at":"2026-07-05T03:16:18Z"},{"alias_kind":"pith_short_8","alias_value":"XUXB5GKB","created_at":"2026-07-05T03:16:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:XUXB5GKBA4JLZFXMFNYU72LEGE","target":"record","payload":{"canonical_record":{"source":{"id":"2106.06548","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2021-06-11T18:00:02Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"6038b8f6c3298f71707c3232afaac49c8f745b0ac4d73b43c9eada23dd8f566f","abstract_canon_sha256":"4274d48f372de813c203536fbfe8bfa20a5532f3ee3389b7e8ead403a480979e"},"schema_version":"1.0"},"canonical_sha256":"bd2e1e99410712bc96ec2b714fe964313acf2959029707c547ebcd777d1dee44","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:16:18.380445Z","signature_b64":"NerKgFIzyzJODjSQN/i0fD4B34fWoQfiigsHJtcWjvOwgNGgl4Q4i5aVdcnPjYr3xFmQaktcAi3NW/RUzgGmBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bd2e1e99410712bc96ec2b714fe964313acf2959029707c547ebcd777d1dee44","last_reissued_at":"2026-07-05T03:16:18.379910Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:16:18.379910Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2106.06548","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":"2026-07-05T03:16:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1nGjgExlKbpy6jv4PDvOJLaCEpZthruAFZIB2QMmPsFwcP8w6e4ZKimn7rvB7AmVcDFfM9te+th6LUi1LMZLAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T09:36:46.418813Z"},"content_sha256":"abf50c6cb7463d288df168022c0fe7d99103c0d99e890226ea3eb31db48ff36f","schema_version":"1.0","event_id":"sha256:abf50c6cb7463d288df168022c0fe7d99103c0d99e890226ea3eb31db48ff36f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:XUXB5GKBA4JLZFXMFNYU72LEGE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The MicroBooNE Experiment, the NuMI Absorber, and Heavy Neutral Leptons","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Kevin J. Kelly, Pedro A.N. Machado","submitted_at":"2021-06-11T18:00:02Z","abstract_excerpt":"Motivated by the recent search for a Higgs-Portal Scalar decaying inside the MicroBooNE detector, we demonstrate that the same search can be used to constrain Heavy Neutral Leptons. These are gauge-singlet fermions that interact with the Standard Model by mixing with neutrinos only and could be related to the origin of neutrino masses. By recasting the results of the MicroBooNE Collaboration's analysis, we show that, for a Heavy Neutral Lepton that mixes predominantly with muon-flavored neutrinos, previously unexplored parameter space can be excluded for masses between 30 and 150 MeV. Addition"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2106.06548","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2106.06548/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":"2026-07-05T03:16:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hV5sGZve6GjsmYa8W7ortAkVBFcBPk3XxKwmBAuRfyQnqYpI478sak5qaIiKUNEXsLQZl87hrZie3k9xWXh8BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T09:36:46.419355Z"},"content_sha256":"11d7a74651848a2bc19883fa855f7f825a6d56d5159b77597ec06bc7c97e4d2d","schema_version":"1.0","event_id":"sha256:11d7a74651848a2bc19883fa855f7f825a6d56d5159b77597ec06bc7c97e4d2d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XUXB5GKBA4JLZFXMFNYU72LEGE/bundle.json","state_url":"https://pith.science/pith/XUXB5GKBA4JLZFXMFNYU72LEGE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XUXB5GKBA4JLZFXMFNYU72LEGE/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":"2026-08-15T09:36:46Z","links":{"resolver":"https://pith.science/pith/XUXB5GKBA4JLZFXMFNYU72LEGE","bundle":"https://pith.science/pith/XUXB5GKBA4JLZFXMFNYU72LEGE/bundle.json","state":"https://pith.science/pith/XUXB5GKBA4JLZFXMFNYU72LEGE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XUXB5GKBA4JLZFXMFNYU72LEGE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:XUXB5GKBA4JLZFXMFNYU72LEGE","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":"4274d48f372de813c203536fbfe8bfa20a5532f3ee3389b7e8ead403a480979e","cross_cats_sorted":["hep-ex"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2021-06-11T18:00:02Z","title_canon_sha256":"6038b8f6c3298f71707c3232afaac49c8f745b0ac4d73b43c9eada23dd8f566f"},"schema_version":"1.0","source":{"id":"2106.06548","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2106.06548","created_at":"2026-07-05T03:16:18Z"},{"alias_kind":"arxiv_version","alias_value":"2106.06548v2","created_at":"2026-07-05T03:16:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2106.06548","created_at":"2026-07-05T03:16:18Z"},{"alias_kind":"pith_short_12","alias_value":"XUXB5GKBA4JL","created_at":"2026-07-05T03:16:18Z"},{"alias_kind":"pith_short_16","alias_value":"XUXB5GKBA4JLZFXM","created_at":"2026-07-05T03:16:18Z"},{"alias_kind":"pith_short_8","alias_value":"XUXB5GKB","created_at":"2026-07-05T03:16:18Z"}],"graph_snapshots":[{"event_id":"sha256:11d7a74651848a2bc19883fa855f7f825a6d56d5159b77597ec06bc7c97e4d2d","target":"graph","created_at":"2026-07-05T03:16:18Z","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/2106.06548/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Motivated by the recent search for a Higgs-Portal Scalar decaying inside the MicroBooNE detector, we demonstrate that the same search can be used to constrain Heavy Neutral Leptons. These are gauge-singlet fermions that interact with the Standard Model by mixing with neutrinos only and could be related to the origin of neutrino masses. By recasting the results of the MicroBooNE Collaboration's analysis, we show that, for a Heavy Neutral Lepton that mixes predominantly with muon-flavored neutrinos, previously unexplored parameter space can be excluded for masses between 30 and 150 MeV. Addition","authors_text":"Kevin J. Kelly, Pedro A.N. Machado","cross_cats":["hep-ex"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2021-06-11T18:00:02Z","title":"The MicroBooNE Experiment, the NuMI Absorber, and Heavy Neutral Leptons"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2106.06548","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:abf50c6cb7463d288df168022c0fe7d99103c0d99e890226ea3eb31db48ff36f","target":"record","created_at":"2026-07-05T03:16:18Z","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":"4274d48f372de813c203536fbfe8bfa20a5532f3ee3389b7e8ead403a480979e","cross_cats_sorted":["hep-ex"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2021-06-11T18:00:02Z","title_canon_sha256":"6038b8f6c3298f71707c3232afaac49c8f745b0ac4d73b43c9eada23dd8f566f"},"schema_version":"1.0","source":{"id":"2106.06548","kind":"arxiv","version":2}},"canonical_sha256":"bd2e1e99410712bc96ec2b714fe964313acf2959029707c547ebcd777d1dee44","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bd2e1e99410712bc96ec2b714fe964313acf2959029707c547ebcd777d1dee44","first_computed_at":"2026-07-05T03:16:18.379910Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:16:18.379910Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NerKgFIzyzJODjSQN/i0fD4B34fWoQfiigsHJtcWjvOwgNGgl4Q4i5aVdcnPjYr3xFmQaktcAi3NW/RUzgGmBw==","signature_status":"signed_v1","signed_at":"2026-07-05T03:16:18.380445Z","signed_message":"canonical_sha256_bytes"},"source_id":"2106.06548","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:abf50c6cb7463d288df168022c0fe7d99103c0d99e890226ea3eb31db48ff36f","sha256:11d7a74651848a2bc19883fa855f7f825a6d56d5159b77597ec06bc7c97e4d2d"],"state_sha256":"369970cbd2ea89ce711762f9a873418d475c02efea2c423e95a772303da0932c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W0qprNG1zdTvGqRHsleF6SfcGbban4MfydR3iOFIvZQ69AnrYEmtmygeGgmo8bC+Y6fznQ6IaznBwWioGEgrCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T09:36:46.424425Z","bundle_sha256":"cb891cd880341806ed4da7629127d273d52523eba6b69844aa84d8438dd8f801"}}