{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:GMFD3FY5BSPKOCR76JVAFLV3MO","short_pith_number":"pith:GMFD3FY5","canonical_record":{"source":{"id":"1804.06457","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-04-17T19:56:28Z","cross_cats_sorted":["astro-ph.CO","astro-ph.IM","hep-ex","nucl-ex"],"title_canon_sha256":"9e673bd605c2642ed4c49e57615f591d76b1d77d24f4e7c5c7856632e54097d6","abstract_canon_sha256":"33ed79fb30a00b246d0dc9bbb9f75f2f492394bfe3006b9a66e98ef60c5ecc79"},"schema_version":"1.0"},"canonical_sha256":"330a3d971d0c9ea70a3ff26a02aebb63a1d1d1e7206b0a3b2e9340567ab965ac","source":{"kind":"arxiv","id":"1804.06457","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.06457","created_at":"2026-05-18T00:03:49Z"},{"alias_kind":"arxiv_version","alias_value":"1804.06457v2","created_at":"2026-05-18T00:03:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.06457","created_at":"2026-05-18T00:03:49Z"},{"alias_kind":"pith_short_12","alias_value":"GMFD3FY5BSPK","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_16","alias_value":"GMFD3FY5BSPKOCR7","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_8","alias_value":"GMFD3FY5","created_at":"2026-05-18T12:32:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:GMFD3FY5BSPKOCR76JVAFLV3MO","target":"record","payload":{"canonical_record":{"source":{"id":"1804.06457","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-04-17T19:56:28Z","cross_cats_sorted":["astro-ph.CO","astro-ph.IM","hep-ex","nucl-ex"],"title_canon_sha256":"9e673bd605c2642ed4c49e57615f591d76b1d77d24f4e7c5c7856632e54097d6","abstract_canon_sha256":"33ed79fb30a00b246d0dc9bbb9f75f2f492394bfe3006b9a66e98ef60c5ecc79"},"schema_version":"1.0"},"canonical_sha256":"330a3d971d0c9ea70a3ff26a02aebb63a1d1d1e7206b0a3b2e9340567ab965ac","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:03:49.130305Z","signature_b64":"UafOV5L3vUtZwT4Gv81c4H1sygr0i4/2sJ+P+6sugllptV5o3+VETEQut3Vp1ZOsvYMjbfumYgo03ppVqrj3DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"330a3d971d0c9ea70a3ff26a02aebb63a1d1d1e7206b0a3b2e9340567ab965ac","last_reissued_at":"2026-05-18T00:03:49.129722Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:03:49.129722Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.06457","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":"2026-05-18T00:03:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JWaUOweO6PKAlwVoAcZpKoCTt7g62El24yt7ooXINacAuPHsY3xTbhL/b1yPMznuOmvRXCZbT+HcNbE1lPowAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T15:49:53.699243Z"},"content_sha256":"2c8a70082f51136d4890a2ff9aa8847508d6dd8162afa91aae3580b559cd8278","schema_version":"1.0","event_id":"sha256:2c8a70082f51136d4890a2ff9aa8847508d6dd8162afa91aae3580b559cd8278"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:GMFD3FY5BSPKOCR76JVAFLV3MO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Liquid Scintillator Response to Proton Recoils in the 10-100 keV Range","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.IM","hep-ex","nucl-ex"],"primary_cat":"physics.ins-det","authors_text":"C. Awe, J.I. Collar, L. Li, P.S. Barbeau, S. Hedges","submitted_at":"2018-04-17T19:56:28Z","abstract_excerpt":"We study the response of EJ-301 liquid scintillator to monochromatic 244.6 $\\pm$ 8.4 keV neutrons, targeting the 10-100 keV proton recoil energy interval. Limited experimental information exists for proton light yield in this range, for this or any other organic scintillator. Our results confirm the adequacy of a modified Birks' model, common to all organic scintillator formulations, predicting a marked increase in quenching factor as proton energy approaches the few keV regime. The relevance of this behavior within the context of searches for low-mass particle dark matter is mentioned."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.06457","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":"2026-05-18T00:03:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9gXEnSxriWdpFzyjqBOFEFPODcypiqAAVy//RMbEGgZae6Qr3CkHbWEdwG6QGTNyjSxxt2o4qCMAnWXi0zyrCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T15:49:53.699917Z"},"content_sha256":"95c7c0d2367b881611c2222b329b010c2468d5be799d3e461e5da021c4b54fba","schema_version":"1.0","event_id":"sha256:95c7c0d2367b881611c2222b329b010c2468d5be799d3e461e5da021c4b54fba"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GMFD3FY5BSPKOCR76JVAFLV3MO/bundle.json","state_url":"https://pith.science/pith/GMFD3FY5BSPKOCR76JVAFLV3MO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GMFD3FY5BSPKOCR76JVAFLV3MO/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":"2026-05-25T15:49:53Z","links":{"resolver":"https://pith.science/pith/GMFD3FY5BSPKOCR76JVAFLV3MO","bundle":"https://pith.science/pith/GMFD3FY5BSPKOCR76JVAFLV3MO/bundle.json","state":"https://pith.science/pith/GMFD3FY5BSPKOCR76JVAFLV3MO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GMFD3FY5BSPKOCR76JVAFLV3MO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:GMFD3FY5BSPKOCR76JVAFLV3MO","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":"33ed79fb30a00b246d0dc9bbb9f75f2f492394bfe3006b9a66e98ef60c5ecc79","cross_cats_sorted":["astro-ph.CO","astro-ph.IM","hep-ex","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-04-17T19:56:28Z","title_canon_sha256":"9e673bd605c2642ed4c49e57615f591d76b1d77d24f4e7c5c7856632e54097d6"},"schema_version":"1.0","source":{"id":"1804.06457","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.06457","created_at":"2026-05-18T00:03:49Z"},{"alias_kind":"arxiv_version","alias_value":"1804.06457v2","created_at":"2026-05-18T00:03:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.06457","created_at":"2026-05-18T00:03:49Z"},{"alias_kind":"pith_short_12","alias_value":"GMFD3FY5BSPK","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_16","alias_value":"GMFD3FY5BSPKOCR7","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_8","alias_value":"GMFD3FY5","created_at":"2026-05-18T12:32:25Z"}],"graph_snapshots":[{"event_id":"sha256:95c7c0d2367b881611c2222b329b010c2468d5be799d3e461e5da021c4b54fba","target":"graph","created_at":"2026-05-18T00:03:49Z","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 study the response of EJ-301 liquid scintillator to monochromatic 244.6 $\\pm$ 8.4 keV neutrons, targeting the 10-100 keV proton recoil energy interval. Limited experimental information exists for proton light yield in this range, for this or any other organic scintillator. Our results confirm the adequacy of a modified Birks' model, common to all organic scintillator formulations, predicting a marked increase in quenching factor as proton energy approaches the few keV regime. The relevance of this behavior within the context of searches for low-mass particle dark matter is mentioned.","authors_text":"C. Awe, J.I. Collar, L. Li, P.S. Barbeau, S. Hedges","cross_cats":["astro-ph.CO","astro-ph.IM","hep-ex","nucl-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-04-17T19:56:28Z","title":"Liquid Scintillator Response to Proton Recoils in the 10-100 keV Range"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.06457","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":"sha256:2c8a70082f51136d4890a2ff9aa8847508d6dd8162afa91aae3580b559cd8278","target":"record","created_at":"2026-05-18T00:03:49Z","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":"33ed79fb30a00b246d0dc9bbb9f75f2f492394bfe3006b9a66e98ef60c5ecc79","cross_cats_sorted":["astro-ph.CO","astro-ph.IM","hep-ex","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-04-17T19:56:28Z","title_canon_sha256":"9e673bd605c2642ed4c49e57615f591d76b1d77d24f4e7c5c7856632e54097d6"},"schema_version":"1.0","source":{"id":"1804.06457","kind":"arxiv","version":2}},"canonical_sha256":"330a3d971d0c9ea70a3ff26a02aebb63a1d1d1e7206b0a3b2e9340567ab965ac","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"330a3d971d0c9ea70a3ff26a02aebb63a1d1d1e7206b0a3b2e9340567ab965ac","first_computed_at":"2026-05-18T00:03:49.129722Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:03:49.129722Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UafOV5L3vUtZwT4Gv81c4H1sygr0i4/2sJ+P+6sugllptV5o3+VETEQut3Vp1ZOsvYMjbfumYgo03ppVqrj3DQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:03:49.130305Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.06457","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2c8a70082f51136d4890a2ff9aa8847508d6dd8162afa91aae3580b559cd8278","sha256:95c7c0d2367b881611c2222b329b010c2468d5be799d3e461e5da021c4b54fba"],"state_sha256":"a0f706adb1d9f5f75d5cd2ed9a7707abfefaa622aa87d0f97c7e640ff6b2e7ad"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YbN40vudytvKhH7dAxFmmdeRBihA3P/GLk/bIZ5v28MWYC5pwReXXUwMHWJs/Q0QLnV4Jd5eizspodPj+mWxCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T15:49:53.703572Z","bundle_sha256":"1ba4502df66bb6919f312d70c00ce6ec9bcc842be9be30a9b4b0a80329615841"}}