{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:R3UWVDFXPAC2OVJ5OJ54VAAGOZ","short_pith_number":"pith:R3UWVDFX","canonical_record":{"source":{"id":"1810.06584","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-10-15T18:01:08Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"b632dfbfc626cb3725c7a3b0c3f4b0979985ae6f76f23ac6c1b20bf44f0058df","abstract_canon_sha256":"df11ad9c0ce94131e44f38f9d5bb68bccb5e62f4af6699c902715ac75bdbf90b"},"schema_version":"1.0"},"canonical_sha256":"8ee96a8cb77805a7553d727bca8006764e4043974c1820cb677c19fd7f6f7d09","source":{"kind":"arxiv","id":"1810.06584","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.06584","created_at":"2026-05-17T23:56:29Z"},{"alias_kind":"arxiv_version","alias_value":"1810.06584v2","created_at":"2026-05-17T23:56:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.06584","created_at":"2026-05-17T23:56:29Z"},{"alias_kind":"pith_short_12","alias_value":"R3UWVDFXPAC2","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_16","alias_value":"R3UWVDFXPAC2OVJ5","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_8","alias_value":"R3UWVDFX","created_at":"2026-05-18T12:32:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:R3UWVDFXPAC2OVJ5OJ54VAAGOZ","target":"record","payload":{"canonical_record":{"source":{"id":"1810.06584","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-10-15T18:01:08Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"b632dfbfc626cb3725c7a3b0c3f4b0979985ae6f76f23ac6c1b20bf44f0058df","abstract_canon_sha256":"df11ad9c0ce94131e44f38f9d5bb68bccb5e62f4af6699c902715ac75bdbf90b"},"schema_version":"1.0"},"canonical_sha256":"8ee96a8cb77805a7553d727bca8006764e4043974c1820cb677c19fd7f6f7d09","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:56:29.326778Z","signature_b64":"uEtLQXcVAGsXcQFr/1T+T94W/3q04GlzNB7+Htva3V/lnwCzQbWKFB1UJYgtesRAPV2womxxw1jIPwy9rbWPBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8ee96a8cb77805a7553d727bca8006764e4043974c1820cb677c19fd7f6f7d09","last_reissued_at":"2026-05-17T23:56:29.326387Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:56:29.326387Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.06584","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":"2026-05-17T23:56:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IlfFOjzdpYaaIZtV0V3Io9Xcx2b19okaB6fF0Zz69HJqK2oAxtLZq0Gy7m+GvjeR9UPcN+AcGN0aJ0IU1XQOCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T16:59:40.890079Z"},"content_sha256":"52e82b0d2e546c70c174d254e7835c79ac852f2fa9e78f9863706a55a2db5570","schema_version":"1.0","event_id":"sha256:52e82b0d2e546c70c174d254e7835c79ac852f2fa9e78f9863706a55a2db5570"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:R3UWVDFXPAC2OVJ5OJ54VAAGOZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Neutrino mass from bremsstrahlung endpoint in coherent scattering on nuclei","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Alexander Millar, Edoardo Vitagliano, Georg Raffelt, Leo Stodolsky","submitted_at":"2018-10-15T18:01:08Z","abstract_excerpt":"We calculate the coherent bremsstrahlung process $\\nu+{\\cal N} \\to {\\cal N}+\\nu+\\gamma$ off a nucleus ${\\cal N}$ with the aim of revealing the neutrino mass via the photon endpoint spectrum. Unfortunately, the large required power of a monochromatic neutrino source and/or large detector mass make it difficult to compete with traditional electron-spectrum endpoint measurements in nuclear $\\beta$ decay. Our neutral-current process distinguishes between Dirac and Majorana neutrinos, but the change of the photon spectrum is of the order of $m_\\nu/E_\\nu$ and thus very small, despite the final-state"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.06584","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":"2026-05-17T23:56:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"noOqARQ5TpTBxP1u/vuIgF1GUYGkKMWvuanjuQxYGwzjIncGlu2MzwGUhrKDloueMGufpNfVmW4TZhsYhXcqAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T16:59:40.890568Z"},"content_sha256":"dd1fb40908471416b74a16d5cfe9912b6def38e8972afee48446e537a19af231","schema_version":"1.0","event_id":"sha256:dd1fb40908471416b74a16d5cfe9912b6def38e8972afee48446e537a19af231"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/R3UWVDFXPAC2OVJ5OJ54VAAGOZ/bundle.json","state_url":"https://pith.science/pith/R3UWVDFXPAC2OVJ5OJ54VAAGOZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/R3UWVDFXPAC2OVJ5OJ54VAAGOZ/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":"2026-05-19T16:59:40Z","links":{"resolver":"https://pith.science/pith/R3UWVDFXPAC2OVJ5OJ54VAAGOZ","bundle":"https://pith.science/pith/R3UWVDFXPAC2OVJ5OJ54VAAGOZ/bundle.json","state":"https://pith.science/pith/R3UWVDFXPAC2OVJ5OJ54VAAGOZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/R3UWVDFXPAC2OVJ5OJ54VAAGOZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:R3UWVDFXPAC2OVJ5OJ54VAAGOZ","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":"df11ad9c0ce94131e44f38f9d5bb68bccb5e62f4af6699c902715ac75bdbf90b","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-10-15T18:01:08Z","title_canon_sha256":"b632dfbfc626cb3725c7a3b0c3f4b0979985ae6f76f23ac6c1b20bf44f0058df"},"schema_version":"1.0","source":{"id":"1810.06584","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.06584","created_at":"2026-05-17T23:56:29Z"},{"alias_kind":"arxiv_version","alias_value":"1810.06584v2","created_at":"2026-05-17T23:56:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.06584","created_at":"2026-05-17T23:56:29Z"},{"alias_kind":"pith_short_12","alias_value":"R3UWVDFXPAC2","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_16","alias_value":"R3UWVDFXPAC2OVJ5","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_8","alias_value":"R3UWVDFX","created_at":"2026-05-18T12:32:50Z"}],"graph_snapshots":[{"event_id":"sha256:dd1fb40908471416b74a16d5cfe9912b6def38e8972afee48446e537a19af231","target":"graph","created_at":"2026-05-17T23:56:29Z","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":"We calculate the coherent bremsstrahlung process $\\nu+{\\cal N} \\to {\\cal N}+\\nu+\\gamma$ off a nucleus ${\\cal N}$ with the aim of revealing the neutrino mass via the photon endpoint spectrum. Unfortunately, the large required power of a monochromatic neutrino source and/or large detector mass make it difficult to compete with traditional electron-spectrum endpoint measurements in nuclear $\\beta$ decay. Our neutral-current process distinguishes between Dirac and Majorana neutrinos, but the change of the photon spectrum is of the order of $m_\\nu/E_\\nu$ and thus very small, despite the final-state","authors_text":"Alexander Millar, Edoardo Vitagliano, Georg Raffelt, Leo Stodolsky","cross_cats":["hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-10-15T18:01:08Z","title":"Neutrino mass from bremsstrahlung endpoint in coherent scattering on nuclei"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.06584","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":"sha256:52e82b0d2e546c70c174d254e7835c79ac852f2fa9e78f9863706a55a2db5570","target":"record","created_at":"2026-05-17T23:56:29Z","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":"df11ad9c0ce94131e44f38f9d5bb68bccb5e62f4af6699c902715ac75bdbf90b","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-10-15T18:01:08Z","title_canon_sha256":"b632dfbfc626cb3725c7a3b0c3f4b0979985ae6f76f23ac6c1b20bf44f0058df"},"schema_version":"1.0","source":{"id":"1810.06584","kind":"arxiv","version":2}},"canonical_sha256":"8ee96a8cb77805a7553d727bca8006764e4043974c1820cb677c19fd7f6f7d09","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8ee96a8cb77805a7553d727bca8006764e4043974c1820cb677c19fd7f6f7d09","first_computed_at":"2026-05-17T23:56:29.326387Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:56:29.326387Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uEtLQXcVAGsXcQFr/1T+T94W/3q04GlzNB7+Htva3V/lnwCzQbWKFB1UJYgtesRAPV2womxxw1jIPwy9rbWPBA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:56:29.326778Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.06584","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:52e82b0d2e546c70c174d254e7835c79ac852f2fa9e78f9863706a55a2db5570","sha256:dd1fb40908471416b74a16d5cfe9912b6def38e8972afee48446e537a19af231"],"state_sha256":"b9c9cdb4a03c8fa35014d9529f253e941cf7839a76fddd0e38f49e862bec8482"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VwHhYhyq4t2Wu+dGWtUqGOT3SfkkshGeLiEBD+r9ajk3KBIgqhVvHD7OPEoRSlnbnbY8jxVJQuoAA5yjNxuGDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T16:59:40.893195Z","bundle_sha256":"d53f05e642d14c5f2624cb2251b76a85c1bf0137a88e843441e07efc16289f3e"}}