{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:AJ2RPKP456RWJVHGYT36FL7VJY","short_pith_number":"pith:AJ2RPKP4","canonical_record":{"source":{"id":"1708.08535","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-08-28T21:42:56Z","cross_cats_sorted":[],"title_canon_sha256":"4a8f0434e2400919b758abf659924b864dc9d27e6ec94828a2b2a80818fac7e0","abstract_canon_sha256":"ac34e661f3c38365b4d4e0f8169f425947433b58f125ddcc35291a38b7522c02"},"schema_version":"1.0"},"canonical_sha256":"027517a9fcefa364d4e6c4f7e2aff54e3409054c60e365837b3d157e2682ca64","source":{"kind":"arxiv","id":"1708.08535","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.08535","created_at":"2026-05-18T00:25:55Z"},{"alias_kind":"arxiv_version","alias_value":"1708.08535v1","created_at":"2026-05-18T00:25:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.08535","created_at":"2026-05-18T00:25:55Z"},{"alias_kind":"pith_short_12","alias_value":"AJ2RPKP456RW","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_16","alias_value":"AJ2RPKP456RWJVHG","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_8","alias_value":"AJ2RPKP4","created_at":"2026-05-18T12:31:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:AJ2RPKP456RWJVHGYT36FL7VJY","target":"record","payload":{"canonical_record":{"source":{"id":"1708.08535","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-08-28T21:42:56Z","cross_cats_sorted":[],"title_canon_sha256":"4a8f0434e2400919b758abf659924b864dc9d27e6ec94828a2b2a80818fac7e0","abstract_canon_sha256":"ac34e661f3c38365b4d4e0f8169f425947433b58f125ddcc35291a38b7522c02"},"schema_version":"1.0"},"canonical_sha256":"027517a9fcefa364d4e6c4f7e2aff54e3409054c60e365837b3d157e2682ca64","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:25:55.452557Z","signature_b64":"dYJ+E0lUGXsYj+IMVc+fcQO44sJs+pwEmOuQZB7vZJnCCXZpfzAXoneKvvjvvxtJ1JSOzO3rRvpW7f5baHh7CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"027517a9fcefa364d4e6c4f7e2aff54e3409054c60e365837b3d157e2682ca64","last_reissued_at":"2026-05-18T00:25:55.451887Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:25:55.451887Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1708.08535","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":"2026-05-18T00:25:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sAMy5pUY85pPjmGwAb+zu9YF2YgSr2vgRgfExYAcVeMlYPhOAwHH/55Xf1vi94GCqeH6SjWV7cqHpGxHSfw4Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T18:57:36.145775Z"},"content_sha256":"23c938c29678b03d870e24c1b733fd167e5b94183b9022dd737036b64a107699","schema_version":"1.0","event_id":"sha256:23c938c29678b03d870e24c1b733fd167e5b94183b9022dd737036b64a107699"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:AJ2RPKP456RWJVHGYT36FL7VJY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Radon Mitigation for the SuperCDMS SNOLAB Dark Matter Experiment","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.ins-det","authors_text":"E.H. Miller, J. So, J. Street, R. Bunker, R.W. Schnee, S. Snyder","submitted_at":"2017-08-28T21:42:56Z","abstract_excerpt":"A potential background for the SuperCDMS SNOLAB dark matter experiment is from radon daughters that have plated out onto detector surfaces. To reach desired backgrounds, understanding plate-out rates during detector fabrication as well as mitigating radon in surrounding air is critical. A radon mitigated cleanroom planned at SNOLAB builds upon a system commissioned at the South Dakota School of Mines & Technology (SD Mines). The ultra-low radon cleanroom at SD Mines has air supplied by a vacuum-swing-adsorption radon mitigation system that has achieved $>$1000$\\times$ reduction for a cleanroom"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.08535","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":"2026-05-18T00:25:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/iSgLz5MnT3ZzyAjwrqzUs+Lp/iZw8/P1yEVW28oSetSld8dJ5yrnFUKGrA5lPp9CuuW7aMM9u0LFIG7Ym97BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T18:57:36.146475Z"},"content_sha256":"82bdffcec11e727477371e2ba6d1cc25579633a63a72a743639653cdfb6932aa","schema_version":"1.0","event_id":"sha256:82bdffcec11e727477371e2ba6d1cc25579633a63a72a743639653cdfb6932aa"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AJ2RPKP456RWJVHGYT36FL7VJY/bundle.json","state_url":"https://pith.science/pith/AJ2RPKP456RWJVHGYT36FL7VJY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AJ2RPKP456RWJVHGYT36FL7VJY/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":"2026-06-05T18:57:36Z","links":{"resolver":"https://pith.science/pith/AJ2RPKP456RWJVHGYT36FL7VJY","bundle":"https://pith.science/pith/AJ2RPKP456RWJVHGYT36FL7VJY/bundle.json","state":"https://pith.science/pith/AJ2RPKP456RWJVHGYT36FL7VJY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AJ2RPKP456RWJVHGYT36FL7VJY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:AJ2RPKP456RWJVHGYT36FL7VJY","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":"ac34e661f3c38365b4d4e0f8169f425947433b58f125ddcc35291a38b7522c02","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-08-28T21:42:56Z","title_canon_sha256":"4a8f0434e2400919b758abf659924b864dc9d27e6ec94828a2b2a80818fac7e0"},"schema_version":"1.0","source":{"id":"1708.08535","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.08535","created_at":"2026-05-18T00:25:55Z"},{"alias_kind":"arxiv_version","alias_value":"1708.08535v1","created_at":"2026-05-18T00:25:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.08535","created_at":"2026-05-18T00:25:55Z"},{"alias_kind":"pith_short_12","alias_value":"AJ2RPKP456RW","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_16","alias_value":"AJ2RPKP456RWJVHG","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_8","alias_value":"AJ2RPKP4","created_at":"2026-05-18T12:31:05Z"}],"graph_snapshots":[{"event_id":"sha256:82bdffcec11e727477371e2ba6d1cc25579633a63a72a743639653cdfb6932aa","target":"graph","created_at":"2026-05-18T00:25:55Z","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":"A potential background for the SuperCDMS SNOLAB dark matter experiment is from radon daughters that have plated out onto detector surfaces. To reach desired backgrounds, understanding plate-out rates during detector fabrication as well as mitigating radon in surrounding air is critical. A radon mitigated cleanroom planned at SNOLAB builds upon a system commissioned at the South Dakota School of Mines & Technology (SD Mines). The ultra-low radon cleanroom at SD Mines has air supplied by a vacuum-swing-adsorption radon mitigation system that has achieved $>$1000$\\times$ reduction for a cleanroom","authors_text":"E.H. Miller, J. So, J. Street, R. Bunker, R.W. Schnee, S. Snyder","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-08-28T21:42:56Z","title":"Radon Mitigation for the SuperCDMS SNOLAB Dark Matter Experiment"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.08535","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":"sha256:23c938c29678b03d870e24c1b733fd167e5b94183b9022dd737036b64a107699","target":"record","created_at":"2026-05-18T00:25:55Z","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":"ac34e661f3c38365b4d4e0f8169f425947433b58f125ddcc35291a38b7522c02","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-08-28T21:42:56Z","title_canon_sha256":"4a8f0434e2400919b758abf659924b864dc9d27e6ec94828a2b2a80818fac7e0"},"schema_version":"1.0","source":{"id":"1708.08535","kind":"arxiv","version":1}},"canonical_sha256":"027517a9fcefa364d4e6c4f7e2aff54e3409054c60e365837b3d157e2682ca64","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"027517a9fcefa364d4e6c4f7e2aff54e3409054c60e365837b3d157e2682ca64","first_computed_at":"2026-05-18T00:25:55.451887Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:25:55.451887Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dYJ+E0lUGXsYj+IMVc+fcQO44sJs+pwEmOuQZB7vZJnCCXZpfzAXoneKvvjvvxtJ1JSOzO3rRvpW7f5baHh7CQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:25:55.452557Z","signed_message":"canonical_sha256_bytes"},"source_id":"1708.08535","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:23c938c29678b03d870e24c1b733fd167e5b94183b9022dd737036b64a107699","sha256:82bdffcec11e727477371e2ba6d1cc25579633a63a72a743639653cdfb6932aa"],"state_sha256":"ed3ce2a2e0afec480dce318b9d0c97617f282fb6cc816d416455319017338e69"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rT5GTgGv+Ykn4sBVa7tCNtexuua7kDls/ayhv4TRzaSYa4u5OVOZ3zIqj23DM9ZBUCSauyIQ8nHyBU82SC0FAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T18:57:36.150679Z","bundle_sha256":"763e9d739554da9e0f6ad3a6cc04e563c9b384fa9554f476e1c2b4d3b7ec35a2"}}