{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:65ODZSLBP7LPKGOCYBPD7F4HRO","short_pith_number":"pith:65ODZSLB","canonical_record":{"source":{"id":"1203.0849","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-03-05T10:04:01Z","cross_cats_sorted":["physics.ins-det"],"title_canon_sha256":"1c6daa8c941f4c548dd497edcfc7a38876923bd2ff4fe2fbb27503d39e9c8fd8","abstract_canon_sha256":"869cf3d5edcc44bce9ee2371c4c0edb1563a81e352720db4db57987f22493cd8"},"schema_version":"1.0"},"canonical_sha256":"f75c3cc9617fd6f519c2c05e3f97878ba8c04f43536a79aeb4dfe22dfe87b77e","source":{"kind":"arxiv","id":"1203.0849","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1203.0849","created_at":"2026-05-18T03:31:30Z"},{"alias_kind":"arxiv_version","alias_value":"1203.0849v1","created_at":"2026-05-18T03:31:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1203.0849","created_at":"2026-05-18T03:31:30Z"},{"alias_kind":"pith_short_12","alias_value":"65ODZSLBP7LP","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"65ODZSLBP7LPKGOC","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"65ODZSLB","created_at":"2026-05-18T12:26:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:65ODZSLBP7LPKGOCYBPD7F4HRO","target":"record","payload":{"canonical_record":{"source":{"id":"1203.0849","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-03-05T10:04:01Z","cross_cats_sorted":["physics.ins-det"],"title_canon_sha256":"1c6daa8c941f4c548dd497edcfc7a38876923bd2ff4fe2fbb27503d39e9c8fd8","abstract_canon_sha256":"869cf3d5edcc44bce9ee2371c4c0edb1563a81e352720db4db57987f22493cd8"},"schema_version":"1.0"},"canonical_sha256":"f75c3cc9617fd6f519c2c05e3f97878ba8c04f43536a79aeb4dfe22dfe87b77e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:31:30.806224Z","signature_b64":"NliJW92iezOIQWWVCn5efPScBE2mRAvE/VWIj/xsv/pYMzpMzNkltn7eHxm+55SHq2c0T+TTW32OMzZWtmfTCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f75c3cc9617fd6f519c2c05e3f97878ba8c04f43536a79aeb4dfe22dfe87b77e","last_reissued_at":"2026-05-18T03:31:30.805502Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:31:30.805502Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1203.0849","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":"2026-05-18T03:31:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YY1H+S9LKsR1MPTkmipj2Ud1eo7hSQP9FB3U3pzv6bEnG2Yr8uvcVWyb2Z6zp+iOhY5GSnbs0lkdFSeoEHCpBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T02:45:00.891660Z"},"content_sha256":"4ee7e46ecbe9e8074f118316f648125f373eb5f9bed4aa90ed0644aeecae844d","schema_version":"1.0","event_id":"sha256:4ee7e46ecbe9e8074f118316f648125f373eb5f9bed4aa90ed0644aeecae844d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:65ODZSLBP7LPKGOCYBPD7F4HRO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Study of nuclear recoils in liquid argon with monoenergetic neutrons","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.ins-det"],"primary_cat":"astro-ph.IM","authors_text":"A. Ferella, C. Amsler, C. Regenfus, J. Rochet, M. Walter, W. Creus, Y. Allkofer","submitted_at":"2012-03-05T10:04:01Z","abstract_excerpt":"For the development of liquid argon dark matter detectors we assembled a setup in the laboratory to scatter neutrons on a small liquid argon target. The neutrons are produced mono-energetically (E_kin=2.45 MeV) by nuclear fusion in a deuterium plasma and are collimated onto a 3\" liquid argon cell operating in single-phase mode (zero electric field). Organic liquid scintillators are used to tag scattered neutrons and to provide a time-of-flight measurement. The setup is designed to study light pulse shapes and scintillation yields from nuclear and electronic recoils as well as from {\\alpha}-par"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1203.0849","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":"2026-05-18T03:31:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0ISU3nh6UzRgXCbriZx2E6JrmQpwNeQFkGuIB4poKztDLS/tkBWr6z0vSvOdMWHo0OLdiVjcIptUhUtfvQmPDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T02:45:00.892445Z"},"content_sha256":"29b92d819e2e504be473e01fd73a6f84167d5b4a500f45bb3778b337bee0dfbc","schema_version":"1.0","event_id":"sha256:29b92d819e2e504be473e01fd73a6f84167d5b4a500f45bb3778b337bee0dfbc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/65ODZSLBP7LPKGOCYBPD7F4HRO/bundle.json","state_url":"https://pith.science/pith/65ODZSLBP7LPKGOCYBPD7F4HRO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/65ODZSLBP7LPKGOCYBPD7F4HRO/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":"2026-05-19T02:45:00Z","links":{"resolver":"https://pith.science/pith/65ODZSLBP7LPKGOCYBPD7F4HRO","bundle":"https://pith.science/pith/65ODZSLBP7LPKGOCYBPD7F4HRO/bundle.json","state":"https://pith.science/pith/65ODZSLBP7LPKGOCYBPD7F4HRO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/65ODZSLBP7LPKGOCYBPD7F4HRO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:65ODZSLBP7LPKGOCYBPD7F4HRO","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":"869cf3d5edcc44bce9ee2371c4c0edb1563a81e352720db4db57987f22493cd8","cross_cats_sorted":["physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-03-05T10:04:01Z","title_canon_sha256":"1c6daa8c941f4c548dd497edcfc7a38876923bd2ff4fe2fbb27503d39e9c8fd8"},"schema_version":"1.0","source":{"id":"1203.0849","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1203.0849","created_at":"2026-05-18T03:31:30Z"},{"alias_kind":"arxiv_version","alias_value":"1203.0849v1","created_at":"2026-05-18T03:31:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1203.0849","created_at":"2026-05-18T03:31:30Z"},{"alias_kind":"pith_short_12","alias_value":"65ODZSLBP7LP","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"65ODZSLBP7LPKGOC","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"65ODZSLB","created_at":"2026-05-18T12:26:56Z"}],"graph_snapshots":[{"event_id":"sha256:29b92d819e2e504be473e01fd73a6f84167d5b4a500f45bb3778b337bee0dfbc","target":"graph","created_at":"2026-05-18T03:31:30Z","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":"For the development of liquid argon dark matter detectors we assembled a setup in the laboratory to scatter neutrons on a small liquid argon target. The neutrons are produced mono-energetically (E_kin=2.45 MeV) by nuclear fusion in a deuterium plasma and are collimated onto a 3\" liquid argon cell operating in single-phase mode (zero electric field). Organic liquid scintillators are used to tag scattered neutrons and to provide a time-of-flight measurement. The setup is designed to study light pulse shapes and scintillation yields from nuclear and electronic recoils as well as from {\\alpha}-par","authors_text":"A. Ferella, C. Amsler, C. Regenfus, J. Rochet, M. Walter, W. Creus, Y. Allkofer","cross_cats":["physics.ins-det"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-03-05T10:04:01Z","title":"Study of nuclear recoils in liquid argon with monoenergetic neutrons"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1203.0849","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":"sha256:4ee7e46ecbe9e8074f118316f648125f373eb5f9bed4aa90ed0644aeecae844d","target":"record","created_at":"2026-05-18T03:31:30Z","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":"869cf3d5edcc44bce9ee2371c4c0edb1563a81e352720db4db57987f22493cd8","cross_cats_sorted":["physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-03-05T10:04:01Z","title_canon_sha256":"1c6daa8c941f4c548dd497edcfc7a38876923bd2ff4fe2fbb27503d39e9c8fd8"},"schema_version":"1.0","source":{"id":"1203.0849","kind":"arxiv","version":1}},"canonical_sha256":"f75c3cc9617fd6f519c2c05e3f97878ba8c04f43536a79aeb4dfe22dfe87b77e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f75c3cc9617fd6f519c2c05e3f97878ba8c04f43536a79aeb4dfe22dfe87b77e","first_computed_at":"2026-05-18T03:31:30.805502Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:31:30.805502Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NliJW92iezOIQWWVCn5efPScBE2mRAvE/VWIj/xsv/pYMzpMzNkltn7eHxm+55SHq2c0T+TTW32OMzZWtmfTCA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:31:30.806224Z","signed_message":"canonical_sha256_bytes"},"source_id":"1203.0849","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4ee7e46ecbe9e8074f118316f648125f373eb5f9bed4aa90ed0644aeecae844d","sha256:29b92d819e2e504be473e01fd73a6f84167d5b4a500f45bb3778b337bee0dfbc"],"state_sha256":"c7d8651b2fbc09b6cc334ff30cded49c87ad7db21a6e223eddc5e34e94970824"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4aqxXHjf1N80gLBNYKZXkJtmA6Zj4lCUd6VI4HhkIREGIbfYLui1IRtikfQ2w7d6Q/IgcZSyda9tMo9NsNE1Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T02:45:00.894431Z","bundle_sha256":"c201edcd5635f7b051a1b7109673d30501279ab5339f32c7e309b9b70029f89f"}}