{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:ISHQEE3BOEHXBUC7ZMD764MHM2","short_pith_number":"pith:ISHQEE3B","canonical_record":{"source":{"id":"2101.11377","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-01-27T13:19:54Z","cross_cats_sorted":[],"title_canon_sha256":"0c30c692f202d708b23d2e90178a9336b8f493544b59427b0982090345983512","abstract_canon_sha256":"e4c785a6114b2ddd95b356c0befdf18de90eed3dc28ba1fee3299089c794895a"},"schema_version":"1.0"},"canonical_sha256":"448f021361710f70d05fcb07ff718766a4a894f88594b7b0df7872b29d10b079","source":{"kind":"arxiv","id":"2101.11377","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2101.11377","created_at":"2026-07-05T04:54:44Z"},{"alias_kind":"arxiv_version","alias_value":"2101.11377v2","created_at":"2026-07-05T04:54:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2101.11377","created_at":"2026-07-05T04:54:44Z"},{"alias_kind":"pith_short_12","alias_value":"ISHQEE3BOEHX","created_at":"2026-07-05T04:54:44Z"},{"alias_kind":"pith_short_16","alias_value":"ISHQEE3BOEHXBUC7","created_at":"2026-07-05T04:54:44Z"},{"alias_kind":"pith_short_8","alias_value":"ISHQEE3B","created_at":"2026-07-05T04:54:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:ISHQEE3BOEHXBUC7ZMD764MHM2","target":"record","payload":{"canonical_record":{"source":{"id":"2101.11377","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-01-27T13:19:54Z","cross_cats_sorted":[],"title_canon_sha256":"0c30c692f202d708b23d2e90178a9336b8f493544b59427b0982090345983512","abstract_canon_sha256":"e4c785a6114b2ddd95b356c0befdf18de90eed3dc28ba1fee3299089c794895a"},"schema_version":"1.0"},"canonical_sha256":"448f021361710f70d05fcb07ff718766a4a894f88594b7b0df7872b29d10b079","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:54:44.756059Z","signature_b64":"v64dTeY9qsssPPPxsXQTOat1+lPkSeW9SME57gdE5yynowXML/2/NiuFqu5utxfN1RKnRcW46LLgF4q6fy8xCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"448f021361710f70d05fcb07ff718766a4a894f88594b7b0df7872b29d10b079","last_reissued_at":"2026-07-05T04:54:44.755604Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:54:44.755604Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2101.11377","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":"2026-07-05T04:54:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UzrizNyUX4bbriUq1clTpxtuI1iUbNo59CH9RuSJaNRE+0rV/gLXOYL6fOxTuEMGokj1DT6diKFOWyuPsPgzDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-24T09:21:47.191639Z"},"content_sha256":"2ff1dab4041a8639461f278f2c7f948fd4fa2d0969283547f26e5a12a5996c98","schema_version":"1.0","event_id":"sha256:2ff1dab4041a8639461f278f2c7f948fd4fa2d0969283547f26e5a12a5996c98"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:ISHQEE3BOEHXBUC7ZMD764MHM2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Background modeling for dark matter search with 1.7 years of COSINE-100 data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"A.C. Ezeribe, A. Scarff, B.B. Manzato, C. Ha, C. Rott, D.S. Leonard, E. Barbosa de Souza, E.J. Jeon, E.K. Lee, G. Adhikari, G.H. Yu, G.S. Kim, H.J. Kim, H. Kim, H.K. Park, H. Prihtiadi, H.S. Lee, H.S. Park, I.S. Hahn, J.H. Jo, J.J. Choi, J. Lee, J.Y. Lee, K.A. Shin, K.S. Park, K.W. Kim, L.E. Franca, L. Yang, M. Djamal, M.H. Lee, M. Kauer, N. Carlin, N.J.C. Spooner, N.Y. Kim, P. Adhikari, R.H. Maruyama, R.J. Neal, R.L.C. Pitta, S. Choi, S.H. Lee, S.J. Ra, S.K. Kim, S.L. Olsen, V.A. Kudryavtsev, W.A. Lynch, W.G. Kang, W.G. Thompson, Y.D. Kim, Y.H. Kim, Y.J. Ko","submitted_at":"2021-01-27T13:19:54Z","abstract_excerpt":"We present a background model for dark matter searches using an array of NaI(Tl) crystals in the COSINE-100 experiment that is located in the Yangyang underground laboratory. The model includes background contributions from both internal and external sources, including cosmogenic radionuclides and surface $^{210}$Pb contamination. To build the model in the low energy region, with a threshold of 1 keV, we used a depth profile of $^{210}$Pb contamination in the surface of the NaI(Tl) crystals determined in a comparison between measured and simulated spectra. We also considered the effect of the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2101.11377","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2101.11377/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T04:54:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"31oxpUagVSeL3xKwxmAQJFG4l5MK2LKgLzfGTf7xuNWLT8ea+roDFFWzm1QM7Z20jqmKNqiAmzip1RufzlLaDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-24T09:21:47.192015Z"},"content_sha256":"f8895bdb9025acfa9627d25f5b5e2557511f618a6f0a74de764603b566506f03","schema_version":"1.0","event_id":"sha256:f8895bdb9025acfa9627d25f5b5e2557511f618a6f0a74de764603b566506f03"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ISHQEE3BOEHXBUC7ZMD764MHM2/bundle.json","state_url":"https://pith.science/pith/ISHQEE3BOEHXBUC7ZMD764MHM2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ISHQEE3BOEHXBUC7ZMD764MHM2/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":"2026-07-24T09:21:47Z","links":{"resolver":"https://pith.science/pith/ISHQEE3BOEHXBUC7ZMD764MHM2","bundle":"https://pith.science/pith/ISHQEE3BOEHXBUC7ZMD764MHM2/bundle.json","state":"https://pith.science/pith/ISHQEE3BOEHXBUC7ZMD764MHM2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ISHQEE3BOEHXBUC7ZMD764MHM2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:ISHQEE3BOEHXBUC7ZMD764MHM2","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":"e4c785a6114b2ddd95b356c0befdf18de90eed3dc28ba1fee3299089c794895a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-01-27T13:19:54Z","title_canon_sha256":"0c30c692f202d708b23d2e90178a9336b8f493544b59427b0982090345983512"},"schema_version":"1.0","source":{"id":"2101.11377","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2101.11377","created_at":"2026-07-05T04:54:44Z"},{"alias_kind":"arxiv_version","alias_value":"2101.11377v2","created_at":"2026-07-05T04:54:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2101.11377","created_at":"2026-07-05T04:54:44Z"},{"alias_kind":"pith_short_12","alias_value":"ISHQEE3BOEHX","created_at":"2026-07-05T04:54:44Z"},{"alias_kind":"pith_short_16","alias_value":"ISHQEE3BOEHXBUC7","created_at":"2026-07-05T04:54:44Z"},{"alias_kind":"pith_short_8","alias_value":"ISHQEE3B","created_at":"2026-07-05T04:54:44Z"}],"graph_snapshots":[{"event_id":"sha256:f8895bdb9025acfa9627d25f5b5e2557511f618a6f0a74de764603b566506f03","target":"graph","created_at":"2026-07-05T04:54:44Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2101.11377/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a background model for dark matter searches using an array of NaI(Tl) crystals in the COSINE-100 experiment that is located in the Yangyang underground laboratory. The model includes background contributions from both internal and external sources, including cosmogenic radionuclides and surface $^{210}$Pb contamination. To build the model in the low energy region, with a threshold of 1 keV, we used a depth profile of $^{210}$Pb contamination in the surface of the NaI(Tl) crystals determined in a comparison between measured and simulated spectra. We also considered the effect of the ","authors_text":"A.C. Ezeribe, A. Scarff, B.B. Manzato, C. Ha, C. Rott, D.S. Leonard, E. Barbosa de Souza, E.J. Jeon, E.K. Lee, G. Adhikari, G.H. Yu, G.S. Kim, H.J. Kim, H. Kim, H.K. Park, H. Prihtiadi, H.S. Lee, H.S. Park, I.S. Hahn, J.H. Jo, J.J. Choi, J. Lee, J.Y. Lee, K.A. Shin, K.S. Park, K.W. Kim, L.E. Franca, L. Yang, M. Djamal, M.H. Lee, M. Kauer, N. Carlin, N.J.C. Spooner, N.Y. Kim, P. Adhikari, R.H. Maruyama, R.J. Neal, R.L.C. Pitta, S. Choi, S.H. Lee, S.J. Ra, S.K. Kim, S.L. Olsen, V.A. Kudryavtsev, W.A. Lynch, W.G. Kang, W.G. Thompson, Y.D. Kim, Y.H. Kim, Y.J. Ko","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-01-27T13:19:54Z","title":"Background modeling for dark matter search with 1.7 years of COSINE-100 data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2101.11377","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":"sha256:2ff1dab4041a8639461f278f2c7f948fd4fa2d0969283547f26e5a12a5996c98","target":"record","created_at":"2026-07-05T04:54:44Z","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":"e4c785a6114b2ddd95b356c0befdf18de90eed3dc28ba1fee3299089c794895a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-01-27T13:19:54Z","title_canon_sha256":"0c30c692f202d708b23d2e90178a9336b8f493544b59427b0982090345983512"},"schema_version":"1.0","source":{"id":"2101.11377","kind":"arxiv","version":2}},"canonical_sha256":"448f021361710f70d05fcb07ff718766a4a894f88594b7b0df7872b29d10b079","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"448f021361710f70d05fcb07ff718766a4a894f88594b7b0df7872b29d10b079","first_computed_at":"2026-07-05T04:54:44.755604Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:54:44.755604Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"v64dTeY9qsssPPPxsXQTOat1+lPkSeW9SME57gdE5yynowXML/2/NiuFqu5utxfN1RKnRcW46LLgF4q6fy8xCA==","signature_status":"signed_v1","signed_at":"2026-07-05T04:54:44.756059Z","signed_message":"canonical_sha256_bytes"},"source_id":"2101.11377","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2ff1dab4041a8639461f278f2c7f948fd4fa2d0969283547f26e5a12a5996c98","sha256:f8895bdb9025acfa9627d25f5b5e2557511f618a6f0a74de764603b566506f03"],"state_sha256":"add9a244a1360f6bf7de77086e6784c6673aacc7c42d2cef16668a93422e0e50"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wbusr4RxprP1rLAJ2kCvtamezy5EbW202R0qzi/5Cn/YiQu3jan6QOkboBGKvfPUnP6ElyYkKAlEzZuTuogXAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-24T09:21:47.194552Z","bundle_sha256":"567eef3b49f311f4190c01c8cb66f91c64708165979ac2798309a120c5ddd017"}}