{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:NG4SDYOEPPXMG275E6QV44UXPK","short_pith_number":"pith:NG4SDYOE","canonical_record":{"source":{"id":"1110.2579","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2011-10-12T06:54:06Z","cross_cats_sorted":[],"title_canon_sha256":"66d07adb274c676efa81b2bf4d3e319719c24d2763f0f000a89f950e921548c8","abstract_canon_sha256":"855663a373b31a843254fe6fa129455dd36f1c4f287f15ce566351649e2f4032"},"schema_version":"1.0"},"canonical_sha256":"69b921e1c47beec36bfd27a15e72977a9f8ac6c77b5c9840c27d05fa96a5f0e3","source":{"kind":"arxiv","id":"1110.2579","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.2579","created_at":"2026-05-18T04:07:19Z"},{"alias_kind":"arxiv_version","alias_value":"1110.2579v1","created_at":"2026-05-18T04:07:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.2579","created_at":"2026-05-18T04:07:19Z"},{"alias_kind":"pith_short_12","alias_value":"NG4SDYOEPPXM","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_16","alias_value":"NG4SDYOEPPXMG275","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_8","alias_value":"NG4SDYOE","created_at":"2026-05-18T12:26:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:NG4SDYOEPPXMG275E6QV44UXPK","target":"record","payload":{"canonical_record":{"source":{"id":"1110.2579","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2011-10-12T06:54:06Z","cross_cats_sorted":[],"title_canon_sha256":"66d07adb274c676efa81b2bf4d3e319719c24d2763f0f000a89f950e921548c8","abstract_canon_sha256":"855663a373b31a843254fe6fa129455dd36f1c4f287f15ce566351649e2f4032"},"schema_version":"1.0"},"canonical_sha256":"69b921e1c47beec36bfd27a15e72977a9f8ac6c77b5c9840c27d05fa96a5f0e3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:07:19.287988Z","signature_b64":"aEsvqqH3PhDPOQwdprmQ2Mb3W8T+V9AGc0PZF/OcVIqQztC4K4ec2WZ6LZdLFFXy1vzpINMJngoiG0sRPSKrDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"69b921e1c47beec36bfd27a15e72977a9f8ac6c77b5c9840c27d05fa96a5f0e3","last_reissued_at":"2026-05-18T04:07:19.287163Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:07:19.287163Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1110.2579","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":"2026-05-18T04:07:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LSiQUaVYHchKJrAP5wpz7E1ZW06Fvr9zQ03rEVcutS+bTK4F7sEEOscyFI0982KFavednXGZmS/UjvxNfG1JAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T08:50:59.048433Z"},"content_sha256":"ae162cb509b98d5f6d2c0e8b598500723e126bb0fa41410bc7e009506d30cbf1","schema_version":"1.0","event_id":"sha256:ae162cb509b98d5f6d2c0e8b598500723e126bb0fa41410bc7e009506d30cbf1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:NG4SDYOEPPXMG275E6QV44UXPK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Search for sterile neutrinos at reactors with a small core","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Osamu Yasuda","submitted_at":"2011-10-12T06:54:06Z","abstract_excerpt":"The sensitivity to the sterile neutrino mixing at very short baseline reactor neutrino experiments is investigated. If the reactor core is relatively large as in the case of commercial reactors, then the sensitivity is lost for $\\Delta m^2 \\gtrsim$ 1 eV$^2$ due to smearing of the reactor core size. If the reactor core is small as in the case of the experimental fast neutron reactor Joyo, the ILL research reactor or the Osiris reactor, on the other hand, then sensitivity to $\\sin^22\\theta_{14}$ can be as good as 0.03 for $\\Delta m^2 \\sim$ several eV$^2$ because of its small size."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.2579","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":"2026-05-18T04:07:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QDkQjyZ6H1zutUvkXsyVCunfuv7Gx5rdZwE35xYN8AtJtA6peg+uZG8bGdAtcge6bqURlTl37NUuTK+WChj4Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T08:50:59.048781Z"},"content_sha256":"2e3e464a6358fd4fc9b2b4c2ea5fd742165a33e7612c0a71cf85bf2bd3cb8ae9","schema_version":"1.0","event_id":"sha256:2e3e464a6358fd4fc9b2b4c2ea5fd742165a33e7612c0a71cf85bf2bd3cb8ae9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NG4SDYOEPPXMG275E6QV44UXPK/bundle.json","state_url":"https://pith.science/pith/NG4SDYOEPPXMG275E6QV44UXPK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NG4SDYOEPPXMG275E6QV44UXPK/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":"2026-05-31T08:50:59Z","links":{"resolver":"https://pith.science/pith/NG4SDYOEPPXMG275E6QV44UXPK","bundle":"https://pith.science/pith/NG4SDYOEPPXMG275E6QV44UXPK/bundle.json","state":"https://pith.science/pith/NG4SDYOEPPXMG275E6QV44UXPK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NG4SDYOEPPXMG275E6QV44UXPK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:NG4SDYOEPPXMG275E6QV44UXPK","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":"855663a373b31a843254fe6fa129455dd36f1c4f287f15ce566351649e2f4032","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2011-10-12T06:54:06Z","title_canon_sha256":"66d07adb274c676efa81b2bf4d3e319719c24d2763f0f000a89f950e921548c8"},"schema_version":"1.0","source":{"id":"1110.2579","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.2579","created_at":"2026-05-18T04:07:19Z"},{"alias_kind":"arxiv_version","alias_value":"1110.2579v1","created_at":"2026-05-18T04:07:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.2579","created_at":"2026-05-18T04:07:19Z"},{"alias_kind":"pith_short_12","alias_value":"NG4SDYOEPPXM","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_16","alias_value":"NG4SDYOEPPXMG275","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_8","alias_value":"NG4SDYOE","created_at":"2026-05-18T12:26:37Z"}],"graph_snapshots":[{"event_id":"sha256:2e3e464a6358fd4fc9b2b4c2ea5fd742165a33e7612c0a71cf85bf2bd3cb8ae9","target":"graph","created_at":"2026-05-18T04:07:19Z","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":"The sensitivity to the sterile neutrino mixing at very short baseline reactor neutrino experiments is investigated. If the reactor core is relatively large as in the case of commercial reactors, then the sensitivity is lost for $\\Delta m^2 \\gtrsim$ 1 eV$^2$ due to smearing of the reactor core size. If the reactor core is small as in the case of the experimental fast neutron reactor Joyo, the ILL research reactor or the Osiris reactor, on the other hand, then sensitivity to $\\sin^22\\theta_{14}$ can be as good as 0.03 for $\\Delta m^2 \\sim$ several eV$^2$ because of its small size.","authors_text":"Osamu Yasuda","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2011-10-12T06:54:06Z","title":"Search for sterile neutrinos at reactors with a small core"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.2579","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:ae162cb509b98d5f6d2c0e8b598500723e126bb0fa41410bc7e009506d30cbf1","target":"record","created_at":"2026-05-18T04:07:19Z","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":"855663a373b31a843254fe6fa129455dd36f1c4f287f15ce566351649e2f4032","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2011-10-12T06:54:06Z","title_canon_sha256":"66d07adb274c676efa81b2bf4d3e319719c24d2763f0f000a89f950e921548c8"},"schema_version":"1.0","source":{"id":"1110.2579","kind":"arxiv","version":1}},"canonical_sha256":"69b921e1c47beec36bfd27a15e72977a9f8ac6c77b5c9840c27d05fa96a5f0e3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"69b921e1c47beec36bfd27a15e72977a9f8ac6c77b5c9840c27d05fa96a5f0e3","first_computed_at":"2026-05-18T04:07:19.287163Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:07:19.287163Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aEsvqqH3PhDPOQwdprmQ2Mb3W8T+V9AGc0PZF/OcVIqQztC4K4ec2WZ6LZdLFFXy1vzpINMJngoiG0sRPSKrDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:07:19.287988Z","signed_message":"canonical_sha256_bytes"},"source_id":"1110.2579","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ae162cb509b98d5f6d2c0e8b598500723e126bb0fa41410bc7e009506d30cbf1","sha256:2e3e464a6358fd4fc9b2b4c2ea5fd742165a33e7612c0a71cf85bf2bd3cb8ae9"],"state_sha256":"e1e39f683c9457db66651191c7f74c844e2d65db4adfc8c5171a3c4c54d1f9cd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JYIx662rurvLq1NUmmwveMuzriemtz65KkkxH/RDY4zSZ/EaBs/dlz7Kg6xBTohc98AfsHKM6SR+n84TgxrjDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T08:50:59.050847Z","bundle_sha256":"43fecbbf8af42dbcfe7f4ac1dde7a4c778f701a60cceca874737870f6020087d"}}