{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:MR3ZTDNSJLQQTEDTQLJQQG4QM5","short_pith_number":"pith:MR3ZTDNS","canonical_record":{"source":{"id":"1702.00873","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-02-02T23:56:45Z","cross_cats_sorted":["astro-ph.IM","nucl-ex"],"title_canon_sha256":"f38a794d2aa9f102860ebad6359b1661a00e2450240421f46d9f511c7f1e1ca6","abstract_canon_sha256":"619e3b1a44b8f89c3c112ad8741e781f3719c93eb840c3c7bd27c2303876bba8"},"schema_version":"1.0"},"canonical_sha256":"6477998db24ae109907382d3081b9067564764d027f501be92cd30ae535d37c2","source":{"kind":"arxiv","id":"1702.00873","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.00873","created_at":"2026-05-18T00:38:57Z"},{"alias_kind":"arxiv_version","alias_value":"1702.00873v2","created_at":"2026-05-18T00:38:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.00873","created_at":"2026-05-18T00:38:57Z"},{"alias_kind":"pith_short_12","alias_value":"MR3ZTDNSJLQQ","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_16","alias_value":"MR3ZTDNSJLQQTEDT","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_8","alias_value":"MR3ZTDNS","created_at":"2026-05-18T12:31:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:MR3ZTDNSJLQQTEDTQLJQQG4QM5","target":"record","payload":{"canonical_record":{"source":{"id":"1702.00873","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-02-02T23:56:45Z","cross_cats_sorted":["astro-ph.IM","nucl-ex"],"title_canon_sha256":"f38a794d2aa9f102860ebad6359b1661a00e2450240421f46d9f511c7f1e1ca6","abstract_canon_sha256":"619e3b1a44b8f89c3c112ad8741e781f3719c93eb840c3c7bd27c2303876bba8"},"schema_version":"1.0"},"canonical_sha256":"6477998db24ae109907382d3081b9067564764d027f501be92cd30ae535d37c2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:38:57.980251Z","signature_b64":"0jZQ1js8M0pEj0qqtDsabTLrfHxZAl+qFNA5eQQltUFa+/Nku4TTYAv2RcRrwTTxdfzBG+U3Fg6U5HOynoOnBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6477998db24ae109907382d3081b9067564764d027f501be92cd30ae535d37c2","last_reissued_at":"2026-05-18T00:38:57.979621Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:38:57.979621Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1702.00873","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":"2026-05-18T00:38:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LBPLSr2h3qUfy6/zxbeHttek1v2/1f0tle/pAAhVFHqYaxQ04lnMm4qEiuo0U++ioV9UU0J6JpDV2ZgrQd4/Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T19:56:53.496493Z"},"content_sha256":"02212786010f3654ebc404a4844fc517cb6773b14d793096f64d39f89d6077b4","schema_version":"1.0","event_id":"sha256:02212786010f3654ebc404a4844fc517cb6773b14d793096f64d39f89d6077b4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:MR3ZTDNSJLQQTEDTQLJQQG4QM5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A measurement of the ionization efficiency of nuclear recoils in silicon","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM","nucl-ex"],"primary_cat":"physics.ins-det","authors_text":"A. Aprahamian, A. E. Chavarria, A. Gyurjinyan, A. Kavner, A. Lathrop, B. Kilminster, C. Casarella, D. Amidei, F. Izraelevitch, G. Cancelo, G. Fern\\'andez Moroni, G. Guti\\'errez, J. Estrada, J. Liao, J. Molina, J. Tiffenberg, K. Siegl, L. Villanueva, M. A. Reyes, M. L\\'opez, M. Smith, P. Collon, P. Privitera, Q. Liu, R. Arcos-Olalla, S. Strauss, V. Scarpine, W. Tan, Y. Guardincerri","submitted_at":"2017-02-02T23:56:45Z","abstract_excerpt":"We have measured the ionization efficiency of silicon nuclear recoils with kinetic energy between 1.8 and 20 keV. We bombarded a silicon-drift diode with a neutron beam to perform an elastic-scattering experiment. A broad-energy neutron spectrum was used and the nuclear recoil energy was reconstructed using a measurement of the time of flight and scattering angle of the scattered neutron. The overall trend of the results of this work is well described by the theory of Lindhard et al. above 4 keV of recoil energy. Below this energy, the presented data shows a deviation from the model. The data "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.00873","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":"2026-05-18T00:38:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TUNi8LqSylCBzwFM82eDM0jhNGKLUvKgdAsX8kqSq7t4bhdm59aXNrQFUbljsvkCHMHWBbHf6bLwN/2d2YzhCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T19:56:53.496937Z"},"content_sha256":"5eddd3f797295bcebf896e7974036c6ff871781825fa21cbfc6805e2b9fcb856","schema_version":"1.0","event_id":"sha256:5eddd3f797295bcebf896e7974036c6ff871781825fa21cbfc6805e2b9fcb856"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MR3ZTDNSJLQQTEDTQLJQQG4QM5/bundle.json","state_url":"https://pith.science/pith/MR3ZTDNSJLQQTEDTQLJQQG4QM5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MR3ZTDNSJLQQTEDTQLJQQG4QM5/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":"2026-05-29T19:56:53Z","links":{"resolver":"https://pith.science/pith/MR3ZTDNSJLQQTEDTQLJQQG4QM5","bundle":"https://pith.science/pith/MR3ZTDNSJLQQTEDTQLJQQG4QM5/bundle.json","state":"https://pith.science/pith/MR3ZTDNSJLQQTEDTQLJQQG4QM5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MR3ZTDNSJLQQTEDTQLJQQG4QM5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:MR3ZTDNSJLQQTEDTQLJQQG4QM5","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":"619e3b1a44b8f89c3c112ad8741e781f3719c93eb840c3c7bd27c2303876bba8","cross_cats_sorted":["astro-ph.IM","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-02-02T23:56:45Z","title_canon_sha256":"f38a794d2aa9f102860ebad6359b1661a00e2450240421f46d9f511c7f1e1ca6"},"schema_version":"1.0","source":{"id":"1702.00873","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.00873","created_at":"2026-05-18T00:38:57Z"},{"alias_kind":"arxiv_version","alias_value":"1702.00873v2","created_at":"2026-05-18T00:38:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.00873","created_at":"2026-05-18T00:38:57Z"},{"alias_kind":"pith_short_12","alias_value":"MR3ZTDNSJLQQ","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_16","alias_value":"MR3ZTDNSJLQQTEDT","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_8","alias_value":"MR3ZTDNS","created_at":"2026-05-18T12:31:31Z"}],"graph_snapshots":[{"event_id":"sha256:5eddd3f797295bcebf896e7974036c6ff871781825fa21cbfc6805e2b9fcb856","target":"graph","created_at":"2026-05-18T00:38:57Z","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 have measured the ionization efficiency of silicon nuclear recoils with kinetic energy between 1.8 and 20 keV. We bombarded a silicon-drift diode with a neutron beam to perform an elastic-scattering experiment. A broad-energy neutron spectrum was used and the nuclear recoil energy was reconstructed using a measurement of the time of flight and scattering angle of the scattered neutron. The overall trend of the results of this work is well described by the theory of Lindhard et al. above 4 keV of recoil energy. Below this energy, the presented data shows a deviation from the model. The data ","authors_text":"A. Aprahamian, A. E. Chavarria, A. Gyurjinyan, A. Kavner, A. Lathrop, B. Kilminster, C. Casarella, D. Amidei, F. Izraelevitch, G. Cancelo, G. Fern\\'andez Moroni, G. Guti\\'errez, J. Estrada, J. Liao, J. Molina, J. Tiffenberg, K. Siegl, L. Villanueva, M. A. Reyes, M. L\\'opez, M. Smith, P. Collon, P. Privitera, Q. Liu, R. Arcos-Olalla, S. Strauss, V. Scarpine, W. Tan, Y. Guardincerri","cross_cats":["astro-ph.IM","nucl-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-02-02T23:56:45Z","title":"A measurement of the ionization efficiency of nuclear recoils in silicon"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.00873","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":"sha256:02212786010f3654ebc404a4844fc517cb6773b14d793096f64d39f89d6077b4","target":"record","created_at":"2026-05-18T00:38:57Z","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":"619e3b1a44b8f89c3c112ad8741e781f3719c93eb840c3c7bd27c2303876bba8","cross_cats_sorted":["astro-ph.IM","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-02-02T23:56:45Z","title_canon_sha256":"f38a794d2aa9f102860ebad6359b1661a00e2450240421f46d9f511c7f1e1ca6"},"schema_version":"1.0","source":{"id":"1702.00873","kind":"arxiv","version":2}},"canonical_sha256":"6477998db24ae109907382d3081b9067564764d027f501be92cd30ae535d37c2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6477998db24ae109907382d3081b9067564764d027f501be92cd30ae535d37c2","first_computed_at":"2026-05-18T00:38:57.979621Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:38:57.979621Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0jZQ1js8M0pEj0qqtDsabTLrfHxZAl+qFNA5eQQltUFa+/Nku4TTYAv2RcRrwTTxdfzBG+U3Fg6U5HOynoOnBA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:38:57.980251Z","signed_message":"canonical_sha256_bytes"},"source_id":"1702.00873","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:02212786010f3654ebc404a4844fc517cb6773b14d793096f64d39f89d6077b4","sha256:5eddd3f797295bcebf896e7974036c6ff871781825fa21cbfc6805e2b9fcb856"],"state_sha256":"5663f2d28dafb54fa048d117de175bfd64b0856e237d48f08326f0f13aca9e4d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xNQiFSySme0eeHRcFZjvt1F1HMYIarsqqMdT8i7+1QqWN1LNQ/LtcggUqqkMRFqu91iYV33sE6lI3Z8z3hOQCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T19:56:53.499663Z","bundle_sha256":"75381b4908e8b87be5a6c22447d5750d5ad56e4f83f596acbaf2fc93da57cd9b"}}