{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:SVYRSJOSJBXPBFUXEWBCTKAMS4","short_pith_number":"pith:SVYRSJOS","canonical_record":{"source":{"id":"1202.5000","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2012-02-22T18:22:07Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"67e81ae0fe845494558b75e177e487f1ac7d826d69e920d51d3446cea26a7b66","abstract_canon_sha256":"52e46dee0eadcb871c1422e497cc846c04918b1895ba1501f7e540e783fe2517"},"schema_version":"1.0"},"canonical_sha256":"95711925d2486ef09697258229a80c97396f07bf409554c717cbf78410a4642d","source":{"kind":"arxiv","id":"1202.5000","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.5000","created_at":"2026-05-18T03:22:52Z"},{"alias_kind":"arxiv_version","alias_value":"1202.5000v3","created_at":"2026-05-18T03:22:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.5000","created_at":"2026-05-18T03:22:52Z"},{"alias_kind":"pith_short_12","alias_value":"SVYRSJOSJBXP","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"SVYRSJOSJBXPBFUX","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"SVYRSJOS","created_at":"2026-05-18T12:27:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:SVYRSJOSJBXPBFUXEWBCTKAMS4","target":"record","payload":{"canonical_record":{"source":{"id":"1202.5000","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2012-02-22T18:22:07Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"67e81ae0fe845494558b75e177e487f1ac7d826d69e920d51d3446cea26a7b66","abstract_canon_sha256":"52e46dee0eadcb871c1422e497cc846c04918b1895ba1501f7e540e783fe2517"},"schema_version":"1.0"},"canonical_sha256":"95711925d2486ef09697258229a80c97396f07bf409554c717cbf78410a4642d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:22:52.140884Z","signature_b64":"SVVtz5vPqyhpGHuzohKHFvIzrF/aXU8VDmGJUiBOkP5A68+cl5tijirCIu0nlqd7ZZvAsAy7lEh4FB20Ai20Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"95711925d2486ef09697258229a80c97396f07bf409554c717cbf78410a4642d","last_reissued_at":"2026-05-18T03:22:52.140241Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:22:52.140241Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1202.5000","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:22:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q8G8jRUQXxYPK6T2Oxo1t4XRfM+yp0rTEoVyaIGld0JdnpisbWTnJNV53WFk4fWdIcbUr/roI+o8x6HRg24mBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T15:38:25.379354Z"},"content_sha256":"77e3c59079d7cc217d11ed016e25f722a3ffae5d21e936274df5999050983c88","schema_version":"1.0","event_id":"sha256:77e3c59079d7cc217d11ed016e25f722a3ffae5d21e936274df5999050983c88"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:SVYRSJOSJBXPBFUXEWBCTKAMS4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Muon-Induced Background Study for an Argon-Based Long Baseline Neutrino Experiment","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"physics.ins-det","authors_text":"C. Zhang, D. Barker, D.-M. Mei","submitted_at":"2012-02-22T18:22:07Z","abstract_excerpt":"We evaluated rates of transversing muons, muon-induced fast neutrons, and production of $^{40}$Cl and other cosmogenically produced nuclei that pose as potential sources of background to the physics program proposed for an argon-based long baseline neutrino experiment at the Sanford Underground Research Facility (SURF). The Geant4 simulations were carried out with muons and muon-induced neutrons for both 800 ft (0.712 km.w.e.) and 4850 ft levels (4.3 km.w.e.). We developed analytic models to independently calculate the $^{40}$Cl production using the measured muon fluxes at different levels of "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.5000","kind":"arxiv","version":3},"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":"2026-05-18T03:22:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"K0bPXANYWMbo/jYfdv5zNU65rvhSJXKQgJkxQLZRxP6FBPNKF9nwNX8K/vssrqC/O8u9vjYWgWBAmQPii48NBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T15:38:25.379710Z"},"content_sha256":"5a91bce654caa2e82a592422c2beb813a40bf30349b0c76786b01822a8cc131f","schema_version":"1.0","event_id":"sha256:5a91bce654caa2e82a592422c2beb813a40bf30349b0c76786b01822a8cc131f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SVYRSJOSJBXPBFUXEWBCTKAMS4/bundle.json","state_url":"https://pith.science/pith/SVYRSJOSJBXPBFUXEWBCTKAMS4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SVYRSJOSJBXPBFUXEWBCTKAMS4/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":"2026-06-02T15:38:25Z","links":{"resolver":"https://pith.science/pith/SVYRSJOSJBXPBFUXEWBCTKAMS4","bundle":"https://pith.science/pith/SVYRSJOSJBXPBFUXEWBCTKAMS4/bundle.json","state":"https://pith.science/pith/SVYRSJOSJBXPBFUXEWBCTKAMS4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SVYRSJOSJBXPBFUXEWBCTKAMS4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:SVYRSJOSJBXPBFUXEWBCTKAMS4","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":"52e46dee0eadcb871c1422e497cc846c04918b1895ba1501f7e540e783fe2517","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2012-02-22T18:22:07Z","title_canon_sha256":"67e81ae0fe845494558b75e177e487f1ac7d826d69e920d51d3446cea26a7b66"},"schema_version":"1.0","source":{"id":"1202.5000","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.5000","created_at":"2026-05-18T03:22:52Z"},{"alias_kind":"arxiv_version","alias_value":"1202.5000v3","created_at":"2026-05-18T03:22:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.5000","created_at":"2026-05-18T03:22:52Z"},{"alias_kind":"pith_short_12","alias_value":"SVYRSJOSJBXP","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"SVYRSJOSJBXPBFUX","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"SVYRSJOS","created_at":"2026-05-18T12:27:23Z"}],"graph_snapshots":[{"event_id":"sha256:5a91bce654caa2e82a592422c2beb813a40bf30349b0c76786b01822a8cc131f","target":"graph","created_at":"2026-05-18T03:22:52Z","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 evaluated rates of transversing muons, muon-induced fast neutrons, and production of $^{40}$Cl and other cosmogenically produced nuclei that pose as potential sources of background to the physics program proposed for an argon-based long baseline neutrino experiment at the Sanford Underground Research Facility (SURF). The Geant4 simulations were carried out with muons and muon-induced neutrons for both 800 ft (0.712 km.w.e.) and 4850 ft levels (4.3 km.w.e.). We developed analytic models to independently calculate the $^{40}$Cl production using the measured muon fluxes at different levels of ","authors_text":"C. Zhang, D. Barker, D.-M. Mei","cross_cats":["hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2012-02-22T18:22:07Z","title":"Muon-Induced Background Study for an Argon-Based Long Baseline Neutrino Experiment"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.5000","kind":"arxiv","version":3},"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":"sha256:77e3c59079d7cc217d11ed016e25f722a3ffae5d21e936274df5999050983c88","target":"record","created_at":"2026-05-18T03:22:52Z","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":"52e46dee0eadcb871c1422e497cc846c04918b1895ba1501f7e540e783fe2517","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2012-02-22T18:22:07Z","title_canon_sha256":"67e81ae0fe845494558b75e177e487f1ac7d826d69e920d51d3446cea26a7b66"},"schema_version":"1.0","source":{"id":"1202.5000","kind":"arxiv","version":3}},"canonical_sha256":"95711925d2486ef09697258229a80c97396f07bf409554c717cbf78410a4642d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"95711925d2486ef09697258229a80c97396f07bf409554c717cbf78410a4642d","first_computed_at":"2026-05-18T03:22:52.140241Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:22:52.140241Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SVVtz5vPqyhpGHuzohKHFvIzrF/aXU8VDmGJUiBOkP5A68+cl5tijirCIu0nlqd7ZZvAsAy7lEh4FB20Ai20Bg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:22:52.140884Z","signed_message":"canonical_sha256_bytes"},"source_id":"1202.5000","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:77e3c59079d7cc217d11ed016e25f722a3ffae5d21e936274df5999050983c88","sha256:5a91bce654caa2e82a592422c2beb813a40bf30349b0c76786b01822a8cc131f"],"state_sha256":"4c77bfc65fd20f28597f27965bc4333cb0e3b0b8ba964197eb8c67e6c7701dc1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mGHdZvRdZncYN8uDIvz9AlXNtGQgTvtZOyCMpyYAIZzqNwafFhniTu2yDkH85/ut/ju33hGrzN63Q9DdeumpCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T15:38:25.381662Z","bundle_sha256":"54470952a4ced70ffeae3c03e9a5bcdc0b053cb0966118b6c415f940ea8744bd"}}