{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:TJYQZBBNJAWXFEMEDFRLQ3M3Y6","short_pith_number":"pith:TJYQZBBN","canonical_record":{"source":{"id":"2605.27513","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2026-05-26T18:00:04Z","cross_cats_sorted":[],"title_canon_sha256":"df6067bf6b79bd28c324fe5d9c3182b951875c3a30f7279f1dbd74634ad80e8a","abstract_canon_sha256":"01b7610bcf5e08cef45a699b5b52687fde5f18165def773b721fcce523181b60"},"schema_version":"1.0"},"canonical_sha256":"9a710c842d482d7291841962b86d9bc7b25a9635370542e715917238ace0b324","source":{"kind":"arxiv","id":"2605.27513","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.27513","created_at":"2026-05-28T00:05:22Z"},{"alias_kind":"arxiv_version","alias_value":"2605.27513v1","created_at":"2026-05-28T00:05:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.27513","created_at":"2026-05-28T00:05:22Z"},{"alias_kind":"pith_short_12","alias_value":"TJYQZBBNJAWX","created_at":"2026-05-28T00:05:22Z"},{"alias_kind":"pith_short_16","alias_value":"TJYQZBBNJAWXFEME","created_at":"2026-05-28T00:05:22Z"},{"alias_kind":"pith_short_8","alias_value":"TJYQZBBN","created_at":"2026-05-28T00:05:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:TJYQZBBNJAWXFEMEDFRLQ3M3Y6","target":"record","payload":{"canonical_record":{"source":{"id":"2605.27513","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2026-05-26T18:00:04Z","cross_cats_sorted":[],"title_canon_sha256":"df6067bf6b79bd28c324fe5d9c3182b951875c3a30f7279f1dbd74634ad80e8a","abstract_canon_sha256":"01b7610bcf5e08cef45a699b5b52687fde5f18165def773b721fcce523181b60"},"schema_version":"1.0"},"canonical_sha256":"9a710c842d482d7291841962b86d9bc7b25a9635370542e715917238ace0b324","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-28T00:05:22.298346Z","signature_b64":"Wavb/D2NDBunfT0n1xO270daDVgd9khacocoVikzuBHkJRgaWWcJ1Oo+JtBoqlG5L21mjKyJxzcmSzKDqKGsBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9a710c842d482d7291841962b86d9bc7b25a9635370542e715917238ace0b324","last_reissued_at":"2026-05-28T00:05:22.297730Z","signature_status":"signed_v1","first_computed_at":"2026-05-28T00:05:22.297730Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.27513","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":"2026-05-28T00:05:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GcmfVPWOb5X4knCF/pFYVmGOhQSG0xfcP2f9Foe6T9xs75G7+yTX04a1P3iDMnlEv6fbQEcOWMmuWSKFEcJiDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T12:03:17.528365Z"},"content_sha256":"fb17c1bef90ea321cf0fbe0d8de4a50763ca7391ce920687b00bbd278a33b985","schema_version":"1.0","event_id":"sha256:fb17c1bef90ea321cf0fbe0d8de4a50763ca7391ce920687b00bbd278a33b985"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:TJYQZBBNJAWXFEMEDFRLQ3M3Y6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Constraints on a Light Leptophilic Scalar from Dark-Sector Couplings","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Claudio Toni, Federico Mescia, Giacomo Landini, Ludovico Vittorio, Marco Graziani","submitted_at":"2026-05-26T18:00:04Z","abstract_excerpt":"We study a minimal framework where a Majorana fermion dark matter particle interacts with a light scalar mediator coupled mainly to electrons. We examine both freeze-out and freeze-in production to determine the regions of parameter space that yield the correct relic abundance with particular emphasis on a detailed comparison with results in the recent literature. The analysis includes cosmological and astrophysical constraints as well as laboratory bounds from electron-recoil experiments, fixed target searches, and precision measurements. The combined results identify a narrow but viable para"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.27513","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/2605.27513/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":"2026-05-28T00:05:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bSXBGK5GWTecswNiVvSuAp93BBD7FMd4dPt8FtU6gfQSDPoHR1Wfe+FVF5FQDR/rJ/zJ+o5C1Wy5p5ZsjWc2DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T12:03:17.528742Z"},"content_sha256":"e634f1f3240c3e5292121b32dcbb8dacf6cee5d46b08d796861820f3e1874c99","schema_version":"1.0","event_id":"sha256:e634f1f3240c3e5292121b32dcbb8dacf6cee5d46b08d796861820f3e1874c99"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TJYQZBBNJAWXFEMEDFRLQ3M3Y6/bundle.json","state_url":"https://pith.science/pith/TJYQZBBNJAWXFEMEDFRLQ3M3Y6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TJYQZBBNJAWXFEMEDFRLQ3M3Y6/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":"2026-06-30T12:03:17Z","links":{"resolver":"https://pith.science/pith/TJYQZBBNJAWXFEMEDFRLQ3M3Y6","bundle":"https://pith.science/pith/TJYQZBBNJAWXFEMEDFRLQ3M3Y6/bundle.json","state":"https://pith.science/pith/TJYQZBBNJAWXFEMEDFRLQ3M3Y6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TJYQZBBNJAWXFEMEDFRLQ3M3Y6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:TJYQZBBNJAWXFEMEDFRLQ3M3Y6","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":"01b7610bcf5e08cef45a699b5b52687fde5f18165def773b721fcce523181b60","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2026-05-26T18:00:04Z","title_canon_sha256":"df6067bf6b79bd28c324fe5d9c3182b951875c3a30f7279f1dbd74634ad80e8a"},"schema_version":"1.0","source":{"id":"2605.27513","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.27513","created_at":"2026-05-28T00:05:22Z"},{"alias_kind":"arxiv_version","alias_value":"2605.27513v1","created_at":"2026-05-28T00:05:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.27513","created_at":"2026-05-28T00:05:22Z"},{"alias_kind":"pith_short_12","alias_value":"TJYQZBBNJAWX","created_at":"2026-05-28T00:05:22Z"},{"alias_kind":"pith_short_16","alias_value":"TJYQZBBNJAWXFEME","created_at":"2026-05-28T00:05:22Z"},{"alias_kind":"pith_short_8","alias_value":"TJYQZBBN","created_at":"2026-05-28T00:05:22Z"}],"graph_snapshots":[{"event_id":"sha256:e634f1f3240c3e5292121b32dcbb8dacf6cee5d46b08d796861820f3e1874c99","target":"graph","created_at":"2026-05-28T00:05:22Z","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/2605.27513/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study a minimal framework where a Majorana fermion dark matter particle interacts with a light scalar mediator coupled mainly to electrons. We examine both freeze-out and freeze-in production to determine the regions of parameter space that yield the correct relic abundance with particular emphasis on a detailed comparison with results in the recent literature. The analysis includes cosmological and astrophysical constraints as well as laboratory bounds from electron-recoil experiments, fixed target searches, and precision measurements. The combined results identify a narrow but viable para","authors_text":"Claudio Toni, Federico Mescia, Giacomo Landini, Ludovico Vittorio, Marco Graziani","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2026-05-26T18:00:04Z","title":"Constraints on a Light Leptophilic Scalar from Dark-Sector Couplings"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.27513","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:fb17c1bef90ea321cf0fbe0d8de4a50763ca7391ce920687b00bbd278a33b985","target":"record","created_at":"2026-05-28T00:05:22Z","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":"01b7610bcf5e08cef45a699b5b52687fde5f18165def773b721fcce523181b60","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2026-05-26T18:00:04Z","title_canon_sha256":"df6067bf6b79bd28c324fe5d9c3182b951875c3a30f7279f1dbd74634ad80e8a"},"schema_version":"1.0","source":{"id":"2605.27513","kind":"arxiv","version":1}},"canonical_sha256":"9a710c842d482d7291841962b86d9bc7b25a9635370542e715917238ace0b324","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9a710c842d482d7291841962b86d9bc7b25a9635370542e715917238ace0b324","first_computed_at":"2026-05-28T00:05:22.297730Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-28T00:05:22.297730Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Wavb/D2NDBunfT0n1xO270daDVgd9khacocoVikzuBHkJRgaWWcJ1Oo+JtBoqlG5L21mjKyJxzcmSzKDqKGsBg==","signature_status":"signed_v1","signed_at":"2026-05-28T00:05:22.298346Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.27513","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fb17c1bef90ea321cf0fbe0d8de4a50763ca7391ce920687b00bbd278a33b985","sha256:e634f1f3240c3e5292121b32dcbb8dacf6cee5d46b08d796861820f3e1874c99"],"state_sha256":"dd2598794ca5ee03cef3600d75c93c6fa3b8ed23124db9b760391945393a1902"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xWetBV4rcrlg5X58YR51BJXbKC/Cn3EcGSi25apTcHXGkQTctOXBgKClA9WE9Q0fz9jK1DvrhmvrPoxuGdiQAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-30T12:03:17.530667Z","bundle_sha256":"1ac55f663aa3ae0adeb7d9410023fecfda4f5fbf395228f9bf75297404602388"}}