{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:7QYFFOROEPEMS3LPZ46IWJXJCU","short_pith_number":"pith:7QYFFORO","schema_version":"1.0","canonical_sha256":"fc3052ba2e23c8c96d6fcf3c8b26e9151a94f928aff17b129ef2bed5f53a815f","source":{"kind":"arxiv","id":"1012.3912","version":1},"attestation_state":"computed","paper":{"title":"DMTPC: Dark matter detection with directional sensitivity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.IM","authors_text":"A. Inglis, A. Kaboth, A. Lee, C. Deaconu, D. Dujmic, F. Golub, G. Kohse, G. Sciolla, H. Tomita, H. Wellenstein, H. Yegoryan, I. Wolfe, J.B.R. Battat, J. Lopez, J. Monroe, N. Skvorodnev, P. Fisher, R. Lanza, R. Yamamoto, S. Ahlen, S. Henderson, T. Caldwell, T. Sahin, W. Fedus","submitted_at":"2010-12-17T15:57:45Z","abstract_excerpt":"The Dark Matter Time Projection Chamber (DMTPC) experiment uses CF_4 gas at low pressure (0.1 atm) to search for the directional signature of Galactic WIMP dark matter. We describe the DMTPC apparatus and summarize recent results from a 35.7 g-day exposure surface run at MIT. After nuclear recoil cuts are applied to the data, we find 105 candidate events in the energy range 80 - 200 keV, which is consistent with the expected cosmogenic neutron background. Using this data, we obtain a limit on the spin-dependent WIMP-proton cross-section of 2.0 \\times 10^{-33} cm^2 at a WIMP mass of 115 GeV/c^2"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1012.3912","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2010-12-17T15:57:45Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"d2b15627d81bc7bf025b6230e45843b118098609eaa32ea9f884e20b7c5e3547","abstract_canon_sha256":"62e82aec605ae47713eadb95a876237a15b35a4c1496bd5fa26181ced1f1be5f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:33:03.657868Z","signature_b64":"PB6vSO+Rmg64iKO6/83wKBCXPK1Hep+bWPswej+dfFKrSdzEZcmBOOYAUv64/084AAMKhCdNIWRLjuv6tI/5Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fc3052ba2e23c8c96d6fcf3c8b26e9151a94f928aff17b129ef2bed5f53a815f","last_reissued_at":"2026-05-18T04:33:03.657253Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:33:03.657253Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"DMTPC: Dark matter detection with directional sensitivity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.IM","authors_text":"A. Inglis, A. Kaboth, A. Lee, C. Deaconu, D. Dujmic, F. Golub, G. Kohse, G. Sciolla, H. Tomita, H. Wellenstein, H. Yegoryan, I. Wolfe, J.B.R. Battat, J. Lopez, J. Monroe, N. Skvorodnev, P. Fisher, R. Lanza, R. Yamamoto, S. Ahlen, S. Henderson, T. Caldwell, T. Sahin, W. Fedus","submitted_at":"2010-12-17T15:57:45Z","abstract_excerpt":"The Dark Matter Time Projection Chamber (DMTPC) experiment uses CF_4 gas at low pressure (0.1 atm) to search for the directional signature of Galactic WIMP dark matter. We describe the DMTPC apparatus and summarize recent results from a 35.7 g-day exposure surface run at MIT. After nuclear recoil cuts are applied to the data, we find 105 candidate events in the energy range 80 - 200 keV, which is consistent with the expected cosmogenic neutron background. Using this data, we obtain a limit on the spin-dependent WIMP-proton cross-section of 2.0 \\times 10^{-33} cm^2 at a WIMP mass of 115 GeV/c^2"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1012.3912","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1012.3912","created_at":"2026-05-18T04:33:03.657366+00:00"},{"alias_kind":"arxiv_version","alias_value":"1012.3912v1","created_at":"2026-05-18T04:33:03.657366+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1012.3912","created_at":"2026-05-18T04:33:03.657366+00:00"},{"alias_kind":"pith_short_12","alias_value":"7QYFFOROEPEM","created_at":"2026-05-18T12:26:05.355336+00:00"},{"alias_kind":"pith_short_16","alias_value":"7QYFFOROEPEMS3LP","created_at":"2026-05-18T12:26:05.355336+00:00"},{"alias_kind":"pith_short_8","alias_value":"7QYFFORO","created_at":"2026-05-18T12:26:05.355336+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/7QYFFOROEPEMS3LPZ46IWJXJCU","json":"https://pith.science/pith/7QYFFOROEPEMS3LPZ46IWJXJCU.json","graph_json":"https://pith.science/api/pith-number/7QYFFOROEPEMS3LPZ46IWJXJCU/graph.json","events_json":"https://pith.science/api/pith-number/7QYFFOROEPEMS3LPZ46IWJXJCU/events.json","paper":"https://pith.science/paper/7QYFFORO"},"agent_actions":{"view_html":"https://pith.science/pith/7QYFFOROEPEMS3LPZ46IWJXJCU","download_json":"https://pith.science/pith/7QYFFOROEPEMS3LPZ46IWJXJCU.json","view_paper":"https://pith.science/paper/7QYFFORO","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1012.3912&json=true","fetch_graph":"https://pith.science/api/pith-number/7QYFFOROEPEMS3LPZ46IWJXJCU/graph.json","fetch_events":"https://pith.science/api/pith-number/7QYFFOROEPEMS3LPZ46IWJXJCU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7QYFFOROEPEMS3LPZ46IWJXJCU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7QYFFOROEPEMS3LPZ46IWJXJCU/action/storage_attestation","attest_author":"https://pith.science/pith/7QYFFOROEPEMS3LPZ46IWJXJCU/action/author_attestation","sign_citation":"https://pith.science/pith/7QYFFOROEPEMS3LPZ46IWJXJCU/action/citation_signature","submit_replication":"https://pith.science/pith/7QYFFOROEPEMS3LPZ46IWJXJCU/action/replication_record"}},"created_at":"2026-05-18T04:33:03.657366+00:00","updated_at":"2026-05-18T04:33:03.657366+00:00"}