{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:6ENZUSV64NRPGNTJB5IDLKURJB","short_pith_number":"pith:6ENZUSV6","canonical_record":{"source":{"id":"2006.15140","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-06-26T17:58:07Z","cross_cats_sorted":["astro-ph.HE","hep-ex"],"title_canon_sha256":"42e01460fa5d35419ea342d72ec13bac027d887dca94d92725407c9455ba4b09","abstract_canon_sha256":"862aa8ec0146a500313e4c270b69e5c9378e4474dc8e8795ed3113ab3fc999cd"},"schema_version":"1.0"},"canonical_sha256":"f11b9a4abee362f336690f5035aa9148486516b7ae658243f753d07df0b21f35","source":{"kind":"arxiv","id":"2006.15140","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2006.15140","created_at":"2026-07-05T02:02:39Z"},{"alias_kind":"arxiv_version","alias_value":"2006.15140v1","created_at":"2026-07-05T02:02:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2006.15140","created_at":"2026-07-05T02:02:39Z"},{"alias_kind":"pith_short_12","alias_value":"6ENZUSV64NRP","created_at":"2026-07-05T02:02:39Z"},{"alias_kind":"pith_short_16","alias_value":"6ENZUSV64NRPGNTJ","created_at":"2026-07-05T02:02:39Z"},{"alias_kind":"pith_short_8","alias_value":"6ENZUSV6","created_at":"2026-07-05T02:02:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:6ENZUSV64NRPGNTJB5IDLKURJB","target":"record","payload":{"canonical_record":{"source":{"id":"2006.15140","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-06-26T17:58:07Z","cross_cats_sorted":["astro-ph.HE","hep-ex"],"title_canon_sha256":"42e01460fa5d35419ea342d72ec13bac027d887dca94d92725407c9455ba4b09","abstract_canon_sha256":"862aa8ec0146a500313e4c270b69e5c9378e4474dc8e8795ed3113ab3fc999cd"},"schema_version":"1.0"},"canonical_sha256":"f11b9a4abee362f336690f5035aa9148486516b7ae658243f753d07df0b21f35","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:02:39.136683Z","signature_b64":"vEEitPF/OHENRlHkL7D8gOwd9k8Hx/ovqRGwss/BIDNY4Wyvw2T9baId0DU6Tmxrm7e/gnr3v6lmVzzLMl9jCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f11b9a4abee362f336690f5035aa9148486516b7ae658243f753d07df0b21f35","last_reissued_at":"2026-07-05T02:02:39.136281Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:02:39.136281Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2006.15140","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":"2026-07-05T02:02:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"32zxpjmhSJwdRckOyMFWTAz+5gS2gPK8Pl3lqSZSniYVSnXMFwt9kDy07in+6k5dqkF/KljhQKqdK/I688SSBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T21:34:06.828804Z"},"content_sha256":"f46a3e47e5e4eea1037470f8f670748f46fdcc4447d56debe8b1ae1183e60d8a","schema_version":"1.0","event_id":"sha256:f46a3e47e5e4eea1037470f8f670748f46fdcc4447d56debe8b1ae1183e60d8a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:6ENZUSV64NRPGNTJB5IDLKURJB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hydrogen portal to exotic radioactivity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE","hep-ex"],"primary_cat":"hep-ph","authors_text":"David McKeen, Maxim Pospelov, Nirmal Raj","submitted_at":"2020-06-26T17:58:07Z","abstract_excerpt":"We show that in a special class of dark sector models, the hydrogen atom can serve as a portal to new physics, through its decay occurring in abundant populations in the Sun and on Earth. The large fluxes of hydrogen decay daughter states can be detected via their decay or scattering. By constructing two models for either detection channel, we show that the recently reported excess in electron recoils at XENON1T could be explained by such signals in large regions of parameter space unconstrained by proton and hydrogen decay limits."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2006.15140","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/2006.15140/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":"2026-07-05T02:02:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Rzq1uGMghzAgwuWoFiqhEwCD533SWSXkcv+Fx+N9b5cN4JHVejlnCvaPsXIn3kwxnmf+hvkWswo6mAMx7DdiDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T21:34:06.829234Z"},"content_sha256":"80dfc6cd7ac6b2bc253561c48f14dc4ad448d416b9849a6acdd0afa9dab57f05","schema_version":"1.0","event_id":"sha256:80dfc6cd7ac6b2bc253561c48f14dc4ad448d416b9849a6acdd0afa9dab57f05"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6ENZUSV64NRPGNTJB5IDLKURJB/bundle.json","state_url":"https://pith.science/pith/6ENZUSV64NRPGNTJB5IDLKURJB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6ENZUSV64NRPGNTJB5IDLKURJB/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":"2026-08-03T21:34:06Z","links":{"resolver":"https://pith.science/pith/6ENZUSV64NRPGNTJB5IDLKURJB","bundle":"https://pith.science/pith/6ENZUSV64NRPGNTJB5IDLKURJB/bundle.json","state":"https://pith.science/pith/6ENZUSV64NRPGNTJB5IDLKURJB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6ENZUSV64NRPGNTJB5IDLKURJB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:6ENZUSV64NRPGNTJB5IDLKURJB","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":"862aa8ec0146a500313e4c270b69e5c9378e4474dc8e8795ed3113ab3fc999cd","cross_cats_sorted":["astro-ph.HE","hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-06-26T17:58:07Z","title_canon_sha256":"42e01460fa5d35419ea342d72ec13bac027d887dca94d92725407c9455ba4b09"},"schema_version":"1.0","source":{"id":"2006.15140","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2006.15140","created_at":"2026-07-05T02:02:39Z"},{"alias_kind":"arxiv_version","alias_value":"2006.15140v1","created_at":"2026-07-05T02:02:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2006.15140","created_at":"2026-07-05T02:02:39Z"},{"alias_kind":"pith_short_12","alias_value":"6ENZUSV64NRP","created_at":"2026-07-05T02:02:39Z"},{"alias_kind":"pith_short_16","alias_value":"6ENZUSV64NRPGNTJ","created_at":"2026-07-05T02:02:39Z"},{"alias_kind":"pith_short_8","alias_value":"6ENZUSV6","created_at":"2026-07-05T02:02:39Z"}],"graph_snapshots":[{"event_id":"sha256:80dfc6cd7ac6b2bc253561c48f14dc4ad448d416b9849a6acdd0afa9dab57f05","target":"graph","created_at":"2026-07-05T02:02:39Z","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/2006.15140/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We show that in a special class of dark sector models, the hydrogen atom can serve as a portal to new physics, through its decay occurring in abundant populations in the Sun and on Earth. The large fluxes of hydrogen decay daughter states can be detected via their decay or scattering. By constructing two models for either detection channel, we show that the recently reported excess in electron recoils at XENON1T could be explained by such signals in large regions of parameter space unconstrained by proton and hydrogen decay limits.","authors_text":"David McKeen, Maxim Pospelov, Nirmal Raj","cross_cats":["astro-ph.HE","hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-06-26T17:58:07Z","title":"Hydrogen portal to exotic radioactivity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2006.15140","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:f46a3e47e5e4eea1037470f8f670748f46fdcc4447d56debe8b1ae1183e60d8a","target":"record","created_at":"2026-07-05T02:02:39Z","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":"862aa8ec0146a500313e4c270b69e5c9378e4474dc8e8795ed3113ab3fc999cd","cross_cats_sorted":["astro-ph.HE","hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-06-26T17:58:07Z","title_canon_sha256":"42e01460fa5d35419ea342d72ec13bac027d887dca94d92725407c9455ba4b09"},"schema_version":"1.0","source":{"id":"2006.15140","kind":"arxiv","version":1}},"canonical_sha256":"f11b9a4abee362f336690f5035aa9148486516b7ae658243f753d07df0b21f35","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f11b9a4abee362f336690f5035aa9148486516b7ae658243f753d07df0b21f35","first_computed_at":"2026-07-05T02:02:39.136281Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:02:39.136281Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vEEitPF/OHENRlHkL7D8gOwd9k8Hx/ovqRGwss/BIDNY4Wyvw2T9baId0DU6Tmxrm7e/gnr3v6lmVzzLMl9jCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T02:02:39.136683Z","signed_message":"canonical_sha256_bytes"},"source_id":"2006.15140","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f46a3e47e5e4eea1037470f8f670748f46fdcc4447d56debe8b1ae1183e60d8a","sha256:80dfc6cd7ac6b2bc253561c48f14dc4ad448d416b9849a6acdd0afa9dab57f05"],"state_sha256":"a7c1773c9bd972cef3ef8d3057aeee3f36f935ec4e5aaf79ca4234e9520ebc19"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YCFCLIGA+rRjAt3YnmOhs5mARK+536H+CAXpsP/Gsw8tMT3OYMhO7000l7/okObKz+3K26p8u9R+PWEZ5Bd2DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T21:34:06.831961Z","bundle_sha256":"0724f12d9946398eaf5a409d684b0ac600099e707b55a13939024ef5c66fd05c"}}