{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:OB7RZOBNHMQWIGW3KIMOFPONNL","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":"4c758a60cfd683826543d83c7caa40a3fcb101c0f7810bb3264f6890ffe79fb7","cross_cats_sorted":["nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2014-05-28T16:17:17Z","title_canon_sha256":"b072217497a6135e37661e082aee2bd559fefe40c57cfd708668f21794ef2bad"},"schema_version":"1.0","source":{"id":"1405.7209","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.7209","created_at":"2026-05-18T01:37:35Z"},{"alias_kind":"arxiv_version","alias_value":"1405.7209v3","created_at":"2026-05-18T01:37:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.7209","created_at":"2026-05-18T01:37:35Z"},{"alias_kind":"pith_short_12","alias_value":"OB7RZOBNHMQW","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"OB7RZOBNHMQWIGW3","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"OB7RZOBN","created_at":"2026-05-18T12:28:41Z"}],"graph_snapshots":[{"event_id":"sha256:6b0328aa2fb52ac20f4b9a624611d250f87666caaf50547b5d78cce1fde738b0","target":"graph","created_at":"2026-05-18T01:37:35Z","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":"This article presents an upgraded in-trap decay spectroscopy apparatus which has been developed and constructed for use with TRIUMF's Ion Trap for Atomic and Nuclear science (TITAN). This device consists of an open-access electron-beam ion-trap (EBIT), which is surrounded radially by seven low-energy planar Si(Li) detectors. The environment of the EBIT allows for the detection of low-energy photons by providing backing-free storage of the radioactive ions, while guiding charged decay particles away from the trap centre via the strong (up to 6 T) magnetic field. In addition to excellent ion con","authors_text":"A.A. Kwiatkowski, A. Grossheim, A. Lennarz, A.T. Gallant, C. Andreoiu, D. Frekers, J. Dilling, J.R. Crespo L\\'opez-Urrutia, K.G. Leach, M.C. Simon, M. Good, R. Klawitter, S. Seeraji, T. Brunner, T.D. Macdonald, T. Ma","cross_cats":["nucl-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2014-05-28T16:17:17Z","title":"The TITAN in-trap decay spectroscopy facility at TRIUMF"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.7209","kind":"arxiv","version":3},"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":"sha256:1c3838a0a2d5cdfea67838b9b1daee3c88d350b9ef8c06057b478ec3a4f76f80","target":"record","created_at":"2026-05-18T01:37:35Z","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":"4c758a60cfd683826543d83c7caa40a3fcb101c0f7810bb3264f6890ffe79fb7","cross_cats_sorted":["nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2014-05-28T16:17:17Z","title_canon_sha256":"b072217497a6135e37661e082aee2bd559fefe40c57cfd708668f21794ef2bad"},"schema_version":"1.0","source":{"id":"1405.7209","kind":"arxiv","version":3}},"canonical_sha256":"707f1cb82d3b21641adb5218e2bdcd6ad2b0a669eef261dbc2509746688e3774","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"707f1cb82d3b21641adb5218e2bdcd6ad2b0a669eef261dbc2509746688e3774","first_computed_at":"2026-05-18T01:37:35.783742Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:37:35.783742Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ilpmOO3qdZY2MftoBQAPwiiDCuhcAF1d/b2RMprMvRMEqrxjt1+0GmfWZtMsKjbSRs00nD9ZepVIVtanLzJUCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:37:35.784210Z","signed_message":"canonical_sha256_bytes"},"source_id":"1405.7209","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1c3838a0a2d5cdfea67838b9b1daee3c88d350b9ef8c06057b478ec3a4f76f80","sha256:6b0328aa2fb52ac20f4b9a624611d250f87666caaf50547b5d78cce1fde738b0"],"state_sha256":"9c41f72a15b0096c6afe8b2db51e4fb9b5ad688353c4b2dadc85faf884645341"}