{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:FTDNJWT3ARILOVYRG2FWEYBHLW","short_pith_number":"pith:FTDNJWT3","canonical_record":{"source":{"id":"1604.04394","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2016-04-15T08:01:41Z","cross_cats_sorted":["physics.atom-ph","physics.ins-det"],"title_canon_sha256":"9db1951f2f86371175008f140dba1f180637213a002aadec5b0856ce146a5d39","abstract_canon_sha256":"f3535089b2620723c68ef3b796beab01a0c8d481edd4816b52ed7ef70695443f"},"schema_version":"1.0"},"canonical_sha256":"2cc6d4da7b0450b75711368b6260275d818e4983c5c774b8fe56bb3a3fa8a3e0","source":{"kind":"arxiv","id":"1604.04394","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.04394","created_at":"2026-05-18T01:17:04Z"},{"alias_kind":"arxiv_version","alias_value":"1604.04394v1","created_at":"2026-05-18T01:17:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.04394","created_at":"2026-05-18T01:17:04Z"},{"alias_kind":"pith_short_12","alias_value":"FTDNJWT3ARIL","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_16","alias_value":"FTDNJWT3ARILOVYR","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_8","alias_value":"FTDNJWT3","created_at":"2026-05-18T12:30:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:FTDNJWT3ARILOVYRG2FWEYBHLW","target":"record","payload":{"canonical_record":{"source":{"id":"1604.04394","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2016-04-15T08:01:41Z","cross_cats_sorted":["physics.atom-ph","physics.ins-det"],"title_canon_sha256":"9db1951f2f86371175008f140dba1f180637213a002aadec5b0856ce146a5d39","abstract_canon_sha256":"f3535089b2620723c68ef3b796beab01a0c8d481edd4816b52ed7ef70695443f"},"schema_version":"1.0"},"canonical_sha256":"2cc6d4da7b0450b75711368b6260275d818e4983c5c774b8fe56bb3a3fa8a3e0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:17:04.256527Z","signature_b64":"MGdnvJENLEQy9e/JhO+U7VkZHJpP6DRVA0g6FcQaz8CDdWSROkAPtKh+k5FLQFPw7SeCtcUYOgdwqujEm+IoDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2cc6d4da7b0450b75711368b6260275d818e4983c5c774b8fe56bb3a3fa8a3e0","last_reissued_at":"2026-05-18T01:17:04.255746Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:17:04.255746Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1604.04394","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":"2026-05-18T01:17:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ql3vU7ZC1HJ2MOtNLsjON2y15vfUIqyLFrgMEg5idiU7MRSfQ+UfPHVS6P9HB3r8ZhSBJXO8Tfh8b7bc9dTnCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:16:02.582124Z"},"content_sha256":"9983f19ea0d5762ebb66fd5dae16245ad8ffeb00f2681057d1dbcc3b4bd7fc12","schema_version":"1.0","event_id":"sha256:9983f19ea0d5762ebb66fd5dae16245ad8ffeb00f2681057d1dbcc3b4bd7fc12"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:FTDNJWT3ARILOVYRG2FWEYBHLW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Direct determination of the atomic mass difference of Re187 and Os187 for neutrino physics and cosmochronology","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atom-ph","physics.ins-det"],"primary_cat":"nucl-ex","authors_text":"A. Doerr, C. Droese, D.A. Nesterenko, E. Minaya Ramirez, K. Blaum, L. Schweikhard, M. Block, M. Goncharov, P.E. Filianin, S. Chenmarev, S. Eliseev, V.V. Simon, Yu.N. Novikov","submitted_at":"2016-04-15T08:01:41Z","abstract_excerpt":"For the first time a direct determination of the atomic mass difference of 187Re and 187Os has been performed with the Penning-trap mass spectrometer SHIPTRAP applying the novel phase-imaging ion-cyclotron-resonance technique. The obtained value of 2492(30stat)(15sys) eV is in excellent agreement with the Q values determined indirectly with microcalorimetry and thus resolves a long-standing discrepancy with older proportional counter measurements. This is essential for the determination of the neutrino mass from the beta-decay of 187Re as planned in future microcalorimetric measurements. In ad"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.04394","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":""},"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":"2026-05-18T01:17:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z7yHSDAScGaTeeUSzKU62e+RBFq4ykNtr04n/LN8L37szvdERUsiGVwhg2JqfU0jmVHoBh6Jbfw5f7ibSD0SDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:16:02.582796Z"},"content_sha256":"f09110a39a9a7af0d38102096b597afecb67b22b85512cf526d139a14b90cc55","schema_version":"1.0","event_id":"sha256:f09110a39a9a7af0d38102096b597afecb67b22b85512cf526d139a14b90cc55"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FTDNJWT3ARILOVYRG2FWEYBHLW/bundle.json","state_url":"https://pith.science/pith/FTDNJWT3ARILOVYRG2FWEYBHLW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FTDNJWT3ARILOVYRG2FWEYBHLW/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":"2026-05-25T18:16:02Z","links":{"resolver":"https://pith.science/pith/FTDNJWT3ARILOVYRG2FWEYBHLW","bundle":"https://pith.science/pith/FTDNJWT3ARILOVYRG2FWEYBHLW/bundle.json","state":"https://pith.science/pith/FTDNJWT3ARILOVYRG2FWEYBHLW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FTDNJWT3ARILOVYRG2FWEYBHLW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:FTDNJWT3ARILOVYRG2FWEYBHLW","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":"f3535089b2620723c68ef3b796beab01a0c8d481edd4816b52ed7ef70695443f","cross_cats_sorted":["physics.atom-ph","physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2016-04-15T08:01:41Z","title_canon_sha256":"9db1951f2f86371175008f140dba1f180637213a002aadec5b0856ce146a5d39"},"schema_version":"1.0","source":{"id":"1604.04394","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.04394","created_at":"2026-05-18T01:17:04Z"},{"alias_kind":"arxiv_version","alias_value":"1604.04394v1","created_at":"2026-05-18T01:17:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.04394","created_at":"2026-05-18T01:17:04Z"},{"alias_kind":"pith_short_12","alias_value":"FTDNJWT3ARIL","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_16","alias_value":"FTDNJWT3ARILOVYR","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_8","alias_value":"FTDNJWT3","created_at":"2026-05-18T12:30:15Z"}],"graph_snapshots":[{"event_id":"sha256:f09110a39a9a7af0d38102096b597afecb67b22b85512cf526d139a14b90cc55","target":"graph","created_at":"2026-05-18T01:17:04Z","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":"For the first time a direct determination of the atomic mass difference of 187Re and 187Os has been performed with the Penning-trap mass spectrometer SHIPTRAP applying the novel phase-imaging ion-cyclotron-resonance technique. The obtained value of 2492(30stat)(15sys) eV is in excellent agreement with the Q values determined indirectly with microcalorimetry and thus resolves a long-standing discrepancy with older proportional counter measurements. This is essential for the determination of the neutrino mass from the beta-decay of 187Re as planned in future microcalorimetric measurements. In ad","authors_text":"A. Doerr, C. Droese, D.A. Nesterenko, E. Minaya Ramirez, K. Blaum, L. Schweikhard, M. Block, M. Goncharov, P.E. Filianin, S. Chenmarev, S. Eliseev, V.V. Simon, Yu.N. Novikov","cross_cats":["physics.atom-ph","physics.ins-det"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2016-04-15T08:01:41Z","title":"Direct determination of the atomic mass difference of Re187 and Os187 for neutrino physics and cosmochronology"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.04394","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":"sha256:9983f19ea0d5762ebb66fd5dae16245ad8ffeb00f2681057d1dbcc3b4bd7fc12","target":"record","created_at":"2026-05-18T01:17:04Z","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":"f3535089b2620723c68ef3b796beab01a0c8d481edd4816b52ed7ef70695443f","cross_cats_sorted":["physics.atom-ph","physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2016-04-15T08:01:41Z","title_canon_sha256":"9db1951f2f86371175008f140dba1f180637213a002aadec5b0856ce146a5d39"},"schema_version":"1.0","source":{"id":"1604.04394","kind":"arxiv","version":1}},"canonical_sha256":"2cc6d4da7b0450b75711368b6260275d818e4983c5c774b8fe56bb3a3fa8a3e0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2cc6d4da7b0450b75711368b6260275d818e4983c5c774b8fe56bb3a3fa8a3e0","first_computed_at":"2026-05-18T01:17:04.255746Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:17:04.255746Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MGdnvJENLEQy9e/JhO+U7VkZHJpP6DRVA0g6FcQaz8CDdWSROkAPtKh+k5FLQFPw7SeCtcUYOgdwqujEm+IoDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:17:04.256527Z","signed_message":"canonical_sha256_bytes"},"source_id":"1604.04394","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9983f19ea0d5762ebb66fd5dae16245ad8ffeb00f2681057d1dbcc3b4bd7fc12","sha256:f09110a39a9a7af0d38102096b597afecb67b22b85512cf526d139a14b90cc55"],"state_sha256":"d36b74f3fd3e23b85c500eabe0ba7b07c815caf84b86c72b6686fae34b3c06b7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vLsTXeE0NtAIHHuT62YhiyBwl0lSwfN5oZ//w6PFbYTNkIveet3hpxyQGbOF/yCZu940FTXIDK6BtPlVyguaCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T18:16:02.586436Z","bundle_sha256":"4e62c85604dd9cc7005e7c3089f637c376fded84c094c929f0691df9ff37ae2d"}}