{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:DTVBYBUD3QNBWQ3R2YFIFPLMOO","short_pith_number":"pith:DTVBYBUD","canonical_record":{"source":{"id":"1810.12828","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2018-10-30T15:57:16Z","cross_cats_sorted":["physics.ins-det"],"title_canon_sha256":"28774d42ce5e2ef016f546212ca2f25ba71175aec757eafc6a7309c82c9951fd","abstract_canon_sha256":"e33426739352a029ad8badd2a5681c5fe84d6a47d2c19d93bdcb72707882fe27"},"schema_version":"1.0"},"canonical_sha256":"1cea1c0683dc1a1b4371d60a82bd6c739a72a2770bc84fd774fc4156811bc20d","source":{"kind":"arxiv","id":"1810.12828","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.12828","created_at":"2026-05-17T23:58:01Z"},{"alias_kind":"arxiv_version","alias_value":"1810.12828v2","created_at":"2026-05-17T23:58:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.12828","created_at":"2026-05-17T23:58:01Z"},{"alias_kind":"pith_short_12","alias_value":"DTVBYBUD3QNB","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"DTVBYBUD3QNBWQ3R","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"DTVBYBUD","created_at":"2026-05-18T12:32:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:DTVBYBUD3QNBWQ3R2YFIFPLMOO","target":"record","payload":{"canonical_record":{"source":{"id":"1810.12828","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2018-10-30T15:57:16Z","cross_cats_sorted":["physics.ins-det"],"title_canon_sha256":"28774d42ce5e2ef016f546212ca2f25ba71175aec757eafc6a7309c82c9951fd","abstract_canon_sha256":"e33426739352a029ad8badd2a5681c5fe84d6a47d2c19d93bdcb72707882fe27"},"schema_version":"1.0"},"canonical_sha256":"1cea1c0683dc1a1b4371d60a82bd6c739a72a2770bc84fd774fc4156811bc20d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:58:01.788553Z","signature_b64":"XRo/pY6p9aE3CLr/h2XEFT7OYt1+14SzSY/DTKYGPNzx0dUWsByrq2pX62S5udeLPss3WC8D00f4ZR/oKB23AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1cea1c0683dc1a1b4371d60a82bd6c739a72a2770bc84fd774fc4156811bc20d","last_reissued_at":"2026-05-17T23:58:01.788184Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:58:01.788184Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.12828","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":"2026-05-17T23:58:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"o+7SsbHp3/HQl+cVDdyynybMPqVCzj593c5gg6sL72DK4HV8HS/AxaHeeX3uWXQRpB18mKW32uAG9mukWfR4Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T13:33:55.617248Z"},"content_sha256":"a456620de51941cef5b2b3d42dacf055945d9129e72411c1d1472ddc8831fcdc","schema_version":"1.0","event_id":"sha256:a456620de51941cef5b2b3d42dacf055945d9129e72411c1d1472ddc8831fcdc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:DTVBYBUD3QNBWQ3R2YFIFPLMOO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Neutrinoless Double Beta Decay Overview","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.ins-det"],"primary_cat":"nucl-ex","authors_text":"L. Cardani","submitted_at":"2018-10-30T15:57:16Z","abstract_excerpt":"Neutrinoless Double Beta Decay is a hypothesised nuclear process in which two neutrons simultaneously decay into protons with no neutrino emission. The prized observation of this decay would point to the existence of a process that violates a fundamental symmetry of the Standard Model of Particle Physics, and would allow to establish the nature of neutrinos. Today, the lower limits on the half-life of this process exceed 10$^{25}$-10$^{26}$ yr. I will review the current status of the searches for Double Beta Decay and the perspectives to enhance the experimental sensitivity in the next years."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.12828","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":"2026-05-17T23:58:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4PA54Rrt0afhNuE+fVZQj6XKIU+8D7K5TRKYEJ4td5F6UdBHMiWZlRxa2bTrOOh1EGz4pm4A1hm/GSPVVt4DBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T13:33:55.617650Z"},"content_sha256":"0506723997b3a619d14137879e607e2577936eafb3d00d4148cbf0c872a6733b","schema_version":"1.0","event_id":"sha256:0506723997b3a619d14137879e607e2577936eafb3d00d4148cbf0c872a6733b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DTVBYBUD3QNBWQ3R2YFIFPLMOO/bundle.json","state_url":"https://pith.science/pith/DTVBYBUD3QNBWQ3R2YFIFPLMOO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DTVBYBUD3QNBWQ3R2YFIFPLMOO/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":"2026-06-08T13:33:55Z","links":{"resolver":"https://pith.science/pith/DTVBYBUD3QNBWQ3R2YFIFPLMOO","bundle":"https://pith.science/pith/DTVBYBUD3QNBWQ3R2YFIFPLMOO/bundle.json","state":"https://pith.science/pith/DTVBYBUD3QNBWQ3R2YFIFPLMOO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DTVBYBUD3QNBWQ3R2YFIFPLMOO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:DTVBYBUD3QNBWQ3R2YFIFPLMOO","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":"e33426739352a029ad8badd2a5681c5fe84d6a47d2c19d93bdcb72707882fe27","cross_cats_sorted":["physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2018-10-30T15:57:16Z","title_canon_sha256":"28774d42ce5e2ef016f546212ca2f25ba71175aec757eafc6a7309c82c9951fd"},"schema_version":"1.0","source":{"id":"1810.12828","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.12828","created_at":"2026-05-17T23:58:01Z"},{"alias_kind":"arxiv_version","alias_value":"1810.12828v2","created_at":"2026-05-17T23:58:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.12828","created_at":"2026-05-17T23:58:01Z"},{"alias_kind":"pith_short_12","alias_value":"DTVBYBUD3QNB","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"DTVBYBUD3QNBWQ3R","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"DTVBYBUD","created_at":"2026-05-18T12:32:19Z"}],"graph_snapshots":[{"event_id":"sha256:0506723997b3a619d14137879e607e2577936eafb3d00d4148cbf0c872a6733b","target":"graph","created_at":"2026-05-17T23:58:01Z","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":"Neutrinoless Double Beta Decay is a hypothesised nuclear process in which two neutrons simultaneously decay into protons with no neutrino emission. The prized observation of this decay would point to the existence of a process that violates a fundamental symmetry of the Standard Model of Particle Physics, and would allow to establish the nature of neutrinos. Today, the lower limits on the half-life of this process exceed 10$^{25}$-10$^{26}$ yr. I will review the current status of the searches for Double Beta Decay and the perspectives to enhance the experimental sensitivity in the next years.","authors_text":"L. Cardani","cross_cats":["physics.ins-det"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2018-10-30T15:57:16Z","title":"Neutrinoless Double Beta Decay Overview"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.12828","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:a456620de51941cef5b2b3d42dacf055945d9129e72411c1d1472ddc8831fcdc","target":"record","created_at":"2026-05-17T23:58:01Z","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":"e33426739352a029ad8badd2a5681c5fe84d6a47d2c19d93bdcb72707882fe27","cross_cats_sorted":["physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2018-10-30T15:57:16Z","title_canon_sha256":"28774d42ce5e2ef016f546212ca2f25ba71175aec757eafc6a7309c82c9951fd"},"schema_version":"1.0","source":{"id":"1810.12828","kind":"arxiv","version":2}},"canonical_sha256":"1cea1c0683dc1a1b4371d60a82bd6c739a72a2770bc84fd774fc4156811bc20d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1cea1c0683dc1a1b4371d60a82bd6c739a72a2770bc84fd774fc4156811bc20d","first_computed_at":"2026-05-17T23:58:01.788184Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:58:01.788184Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XRo/pY6p9aE3CLr/h2XEFT7OYt1+14SzSY/DTKYGPNzx0dUWsByrq2pX62S5udeLPss3WC8D00f4ZR/oKB23AQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:58:01.788553Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.12828","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a456620de51941cef5b2b3d42dacf055945d9129e72411c1d1472ddc8831fcdc","sha256:0506723997b3a619d14137879e607e2577936eafb3d00d4148cbf0c872a6733b"],"state_sha256":"6af67fd197a46c181864440ab0b0a8f2ce4ebae9e56f66fea0ffcc2d26279b86"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"avBqCLy7/35uxn22V7iRrT+3xxCZsBzMDyGucLsQKPZctlVcn4oNuDgJYFJu5DJZ9alUk6JJ4nQ1xEc3dqaACw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T13:33:55.619535Z","bundle_sha256":"8b6cdd523cb008e5a5fac2195faf4c8460bf94ca141f5160ca891819dd95da25"}}