{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:W7MFVT2LJA5SCC7C3HNMHIJVTG","short_pith_number":"pith:W7MFVT2L","canonical_record":{"source":{"id":"1612.06494","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2016-12-20T03:01:36Z","cross_cats_sorted":["hep-ex","hep-ph","nucl-ex"],"title_canon_sha256":"917517edd11e89ca03855402876d8108dbffaff84bd4c48dfd0458b4b2f401aa","abstract_canon_sha256":"5ca092878734d42e47baefc406779a715c36ee28fa746b1eae12dd08378f3102"},"schema_version":"1.0"},"canonical_sha256":"b7d85acf4b483b210be2d9dac3a13599b0db378f0a77d273afba0e3a33058380","source":{"kind":"arxiv","id":"1612.06494","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.06494","created_at":"2026-05-18T00:35:24Z"},{"alias_kind":"arxiv_version","alias_value":"1612.06494v2","created_at":"2026-05-18T00:35:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.06494","created_at":"2026-05-18T00:35:24Z"},{"alias_kind":"pith_short_12","alias_value":"W7MFVT2LJA5S","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_16","alias_value":"W7MFVT2LJA5SCC7C","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_8","alias_value":"W7MFVT2L","created_at":"2026-05-18T12:30:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:W7MFVT2LJA5SCC7C3HNMHIJVTG","target":"record","payload":{"canonical_record":{"source":{"id":"1612.06494","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2016-12-20T03:01:36Z","cross_cats_sorted":["hep-ex","hep-ph","nucl-ex"],"title_canon_sha256":"917517edd11e89ca03855402876d8108dbffaff84bd4c48dfd0458b4b2f401aa","abstract_canon_sha256":"5ca092878734d42e47baefc406779a715c36ee28fa746b1eae12dd08378f3102"},"schema_version":"1.0"},"canonical_sha256":"b7d85acf4b483b210be2d9dac3a13599b0db378f0a77d273afba0e3a33058380","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:35:24.139958Z","signature_b64":"BycXVBssK1xGA/GwKexJPmibVlL9nM7uLRaMgpmEiMcyt4rmhCKUrtoNJ2SfXTbvNruyMPcpkgqmXBKQsJHCCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b7d85acf4b483b210be2d9dac3a13599b0db378f0a77d273afba0e3a33058380","last_reissued_at":"2026-05-18T00:35:24.139527Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:35:24.139527Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1612.06494","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":"2026-05-18T00:35:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ys2OfE3HizxnKAZ5G2iam7EmuokYU8y6v4tOb7oL8iMyIJjGpYT7ukLHy5aa76W/9Bfj3E7AnIJYJHH3C8VfAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-29T08:40:39.449644Z"},"content_sha256":"b061cad5140d0fef912b8d0c77f03f32b49aca7795a0d7949832452bdd318fb9","schema_version":"1.0","event_id":"sha256:b061cad5140d0fef912b8d0c77f03f32b49aca7795a0d7949832452bdd318fb9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:W7MFVT2LJA5SCC7C3HNMHIJVTG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Determining reactor fuel type from continuous antineutrino monitoring","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","hep-ph","nucl-ex"],"primary_cat":"physics.ins-det","authors_text":"Patrick Huber, Patrick Jaffke","submitted_at":"2016-12-20T03:01:36Z","abstract_excerpt":"We investigate the ability of an antineutrino detector to determine the fuel type of a reactor. A hypothetical 5t antineutrino detector is placed 25m from the core and measures the spectral shape and rate of antineutrinos emitted by fission fragments in the core for a number of 90 day periods. Our results indicate that four major fuel types can be differentiated from the variation of fission fractions over the irradiation time with a true positive probability of detection at 95%. In addition, we demonstrate that antineutrinos can identify the burn-up at which weapons-grade mixed-oxide (MOX) fu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.06494","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":""},"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":"2026-05-18T00:35:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P4GY8lOoQFga5g10KP2nwEEfjdbNBSYgliG3yCzcBIlhcnDOfF0iDE+kxpx7QS7ejljSV9ucMpmZat+6EbRXBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-29T08:40:39.450025Z"},"content_sha256":"d7bf5b8c2e1d909a6d50a57c1856b5ffa473abd00c03c671939194c65a4193a5","schema_version":"1.0","event_id":"sha256:d7bf5b8c2e1d909a6d50a57c1856b5ffa473abd00c03c671939194c65a4193a5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/W7MFVT2LJA5SCC7C3HNMHIJVTG/bundle.json","state_url":"https://pith.science/pith/W7MFVT2LJA5SCC7C3HNMHIJVTG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/W7MFVT2LJA5SCC7C3HNMHIJVTG/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":"2026-06-29T08:40:39Z","links":{"resolver":"https://pith.science/pith/W7MFVT2LJA5SCC7C3HNMHIJVTG","bundle":"https://pith.science/pith/W7MFVT2LJA5SCC7C3HNMHIJVTG/bundle.json","state":"https://pith.science/pith/W7MFVT2LJA5SCC7C3HNMHIJVTG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/W7MFVT2LJA5SCC7C3HNMHIJVTG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:W7MFVT2LJA5SCC7C3HNMHIJVTG","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":"5ca092878734d42e47baefc406779a715c36ee28fa746b1eae12dd08378f3102","cross_cats_sorted":["hep-ex","hep-ph","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2016-12-20T03:01:36Z","title_canon_sha256":"917517edd11e89ca03855402876d8108dbffaff84bd4c48dfd0458b4b2f401aa"},"schema_version":"1.0","source":{"id":"1612.06494","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.06494","created_at":"2026-05-18T00:35:24Z"},{"alias_kind":"arxiv_version","alias_value":"1612.06494v2","created_at":"2026-05-18T00:35:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.06494","created_at":"2026-05-18T00:35:24Z"},{"alias_kind":"pith_short_12","alias_value":"W7MFVT2LJA5S","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_16","alias_value":"W7MFVT2LJA5SCC7C","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_8","alias_value":"W7MFVT2L","created_at":"2026-05-18T12:30:48Z"}],"graph_snapshots":[{"event_id":"sha256:d7bf5b8c2e1d909a6d50a57c1856b5ffa473abd00c03c671939194c65a4193a5","target":"graph","created_at":"2026-05-18T00:35:24Z","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 investigate the ability of an antineutrino detector to determine the fuel type of a reactor. A hypothetical 5t antineutrino detector is placed 25m from the core and measures the spectral shape and rate of antineutrinos emitted by fission fragments in the core for a number of 90 day periods. Our results indicate that four major fuel types can be differentiated from the variation of fission fractions over the irradiation time with a true positive probability of detection at 95%. In addition, we demonstrate that antineutrinos can identify the burn-up at which weapons-grade mixed-oxide (MOX) fu","authors_text":"Patrick Huber, Patrick Jaffke","cross_cats":["hep-ex","hep-ph","nucl-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2016-12-20T03:01:36Z","title":"Determining reactor fuel type from continuous antineutrino monitoring"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.06494","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:b061cad5140d0fef912b8d0c77f03f32b49aca7795a0d7949832452bdd318fb9","target":"record","created_at":"2026-05-18T00:35:24Z","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":"5ca092878734d42e47baefc406779a715c36ee28fa746b1eae12dd08378f3102","cross_cats_sorted":["hep-ex","hep-ph","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2016-12-20T03:01:36Z","title_canon_sha256":"917517edd11e89ca03855402876d8108dbffaff84bd4c48dfd0458b4b2f401aa"},"schema_version":"1.0","source":{"id":"1612.06494","kind":"arxiv","version":2}},"canonical_sha256":"b7d85acf4b483b210be2d9dac3a13599b0db378f0a77d273afba0e3a33058380","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b7d85acf4b483b210be2d9dac3a13599b0db378f0a77d273afba0e3a33058380","first_computed_at":"2026-05-18T00:35:24.139527Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:35:24.139527Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BycXVBssK1xGA/GwKexJPmibVlL9nM7uLRaMgpmEiMcyt4rmhCKUrtoNJ2SfXTbvNruyMPcpkgqmXBKQsJHCCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:35:24.139958Z","signed_message":"canonical_sha256_bytes"},"source_id":"1612.06494","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b061cad5140d0fef912b8d0c77f03f32b49aca7795a0d7949832452bdd318fb9","sha256:d7bf5b8c2e1d909a6d50a57c1856b5ffa473abd00c03c671939194c65a4193a5"],"state_sha256":"1002cdad28dc68deb547f9f2f436a051044cf83bdebc3f481089adeac0f1edc8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"f47qRNGYN4Qp2XF+NOfKJuwudecbe/+I1K1ErYIRp++i4xOkVDNyIH7NhnFitpS+zZZRBJ58Vo5GXCIlB9ppDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-29T08:40:39.451955Z","bundle_sha256":"780e210a14868c700a49c3fb9df7ce98ce857b12e103c86dbad72b933b168e78"}}