{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:B7LZGNAYVXJFOG4SE5WXL4GVPK","short_pith_number":"pith:B7LZGNAY","canonical_record":{"source":{"id":"hep-ex/0606032","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"hep-ex","submitted_at":"2006-06-15T07:46:06Z","cross_cats_sorted":[],"title_canon_sha256":"49c3008b2a735e9cad2ba3bd567757cda2bdfa87436aaacd1523574685fd447b","abstract_canon_sha256":"6a7cd5dea0fedce4988cd1dccefed7b375b29690bba9b5736cb779885e8f34f2"},"schema_version":"1.0"},"canonical_sha256":"0fd7933418add2571b92276d75f0d57a9b50c11f53a229bcfa29cfcc79b2d06b","source":{"kind":"arxiv","id":"hep-ex/0606032","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ex/0606032","created_at":"2026-07-04T15:17:03Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ex/0606032v3","created_at":"2026-07-04T15:17:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ex/0606032","created_at":"2026-07-04T15:17:03Z"},{"alias_kind":"pith_short_12","alias_value":"B7LZGNAYVXJF","created_at":"2026-07-04T15:17:03Z"},{"alias_kind":"pith_short_16","alias_value":"B7LZGNAYVXJFOG4S","created_at":"2026-07-04T15:17:03Z"},{"alias_kind":"pith_short_8","alias_value":"B7LZGNAY","created_at":"2026-07-04T15:17:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:B7LZGNAYVXJFOG4SE5WXL4GVPK","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ex/0606032","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"hep-ex","submitted_at":"2006-06-15T07:46:06Z","cross_cats_sorted":[],"title_canon_sha256":"49c3008b2a735e9cad2ba3bd567757cda2bdfa87436aaacd1523574685fd447b","abstract_canon_sha256":"6a7cd5dea0fedce4988cd1dccefed7b375b29690bba9b5736cb779885e8f34f2"},"schema_version":"1.0"},"canonical_sha256":"0fd7933418add2571b92276d75f0d57a9b50c11f53a229bcfa29cfcc79b2d06b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:17:03.466922Z","signature_b64":"uPy+ucHHMYyZ+wQ43aZc9hBrg9k950YnnP53RRlv3MpZQs4UBr7zZ9nAIiNQWP12Zb0Hj5hxTOBfJqbOF77DAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0fd7933418add2571b92276d75f0d57a9b50c11f53a229bcfa29cfcc79b2d06b","last_reissued_at":"2026-07-04T15:17:03.466554Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:17:03.466554Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ex/0606032","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":"2026-07-04T15:17:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gMP6wH/AsztP74XZJNE9TdDhYgq0SlS19nh7SVFPd/waswMJ1vPxDuIj6ITFK0d305LI3AOjPxGDRHwO85ngAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T09:05:05.618627Z"},"content_sha256":"58121a229559daff1db4cb0b22af8e8399aa2a73413e2af978e1062da27369f2","schema_version":"1.0","event_id":"sha256:58121a229559daff1db4cb0b22af8e8399aa2a73413e2af978e1062da27369f2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:B7LZGNAYVXJFOG4SE5WXL4GVPK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Measurement of Neutrino Oscillation by the K2K Experiment","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"et al, K2K Collaboration: M. H. Ahn","submitted_at":"2006-06-15T07:46:06Z","abstract_excerpt":"We present measurements of nu_mu disappearance in K2K, the KEK to Kamioka long-baseline neutrino oscillation experiment. One hundred and twelve beam-originated neutrino events are observed in the fiducial volume of Super-Kamiokande with an expectation of 158.1^{+9.2}_{-8.6} events without oscillation. A distortion of the energy spectrum is also seen in 58 single-ring muon-like events with reconstructed energies. The probability that the observations are explained by the expectation for no neutrino oscillation is 0.0015% (4.3sigma). In a two flavor oscillation scenario, the allowed Delta m^2 re"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/0606032","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/hep-ex/0606032/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T15:17:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"g2pbsU/WAurkIVC8aU7x/m5kCx8faYRJlpGLX2/+7/J/ahV5/pgfdMjBimeDo0Zc1/989fv7zLpBQHQ5LxmVCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T09:05:05.619205Z"},"content_sha256":"44e25a88db685b13bdbb1c79c171e79f54254b1f943d239fb3a4503fbf2aa3ed","schema_version":"1.0","event_id":"sha256:44e25a88db685b13bdbb1c79c171e79f54254b1f943d239fb3a4503fbf2aa3ed"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/B7LZGNAYVXJFOG4SE5WXL4GVPK/bundle.json","state_url":"https://pith.science/pith/B7LZGNAYVXJFOG4SE5WXL4GVPK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/B7LZGNAYVXJFOG4SE5WXL4GVPK/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":"2026-08-22T09:05:05Z","links":{"resolver":"https://pith.science/pith/B7LZGNAYVXJFOG4SE5WXL4GVPK","bundle":"https://pith.science/pith/B7LZGNAYVXJFOG4SE5WXL4GVPK/bundle.json","state":"https://pith.science/pith/B7LZGNAYVXJFOG4SE5WXL4GVPK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/B7LZGNAYVXJFOG4SE5WXL4GVPK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:B7LZGNAYVXJFOG4SE5WXL4GVPK","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":"6a7cd5dea0fedce4988cd1dccefed7b375b29690bba9b5736cb779885e8f34f2","cross_cats_sorted":[],"license":"","primary_cat":"hep-ex","submitted_at":"2006-06-15T07:46:06Z","title_canon_sha256":"49c3008b2a735e9cad2ba3bd567757cda2bdfa87436aaacd1523574685fd447b"},"schema_version":"1.0","source":{"id":"hep-ex/0606032","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ex/0606032","created_at":"2026-07-04T15:17:03Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ex/0606032v3","created_at":"2026-07-04T15:17:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ex/0606032","created_at":"2026-07-04T15:17:03Z"},{"alias_kind":"pith_short_12","alias_value":"B7LZGNAYVXJF","created_at":"2026-07-04T15:17:03Z"},{"alias_kind":"pith_short_16","alias_value":"B7LZGNAYVXJFOG4S","created_at":"2026-07-04T15:17:03Z"},{"alias_kind":"pith_short_8","alias_value":"B7LZGNAY","created_at":"2026-07-04T15:17:03Z"}],"graph_snapshots":[{"event_id":"sha256:44e25a88db685b13bdbb1c79c171e79f54254b1f943d239fb3a4503fbf2aa3ed","target":"graph","created_at":"2026-07-04T15:17:03Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/hep-ex/0606032/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present measurements of nu_mu disappearance in K2K, the KEK to Kamioka long-baseline neutrino oscillation experiment. One hundred and twelve beam-originated neutrino events are observed in the fiducial volume of Super-Kamiokande with an expectation of 158.1^{+9.2}_{-8.6} events without oscillation. A distortion of the energy spectrum is also seen in 58 single-ring muon-like events with reconstructed energies. The probability that the observations are explained by the expectation for no neutrino oscillation is 0.0015% (4.3sigma). In a two flavor oscillation scenario, the allowed Delta m^2 re","authors_text":"et al, K2K Collaboration: M. H. Ahn","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ex","submitted_at":"2006-06-15T07:46:06Z","title":"Measurement of Neutrino Oscillation by the K2K Experiment"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/0606032","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":"sha256:58121a229559daff1db4cb0b22af8e8399aa2a73413e2af978e1062da27369f2","target":"record","created_at":"2026-07-04T15:17:03Z","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":"6a7cd5dea0fedce4988cd1dccefed7b375b29690bba9b5736cb779885e8f34f2","cross_cats_sorted":[],"license":"","primary_cat":"hep-ex","submitted_at":"2006-06-15T07:46:06Z","title_canon_sha256":"49c3008b2a735e9cad2ba3bd567757cda2bdfa87436aaacd1523574685fd447b"},"schema_version":"1.0","source":{"id":"hep-ex/0606032","kind":"arxiv","version":3}},"canonical_sha256":"0fd7933418add2571b92276d75f0d57a9b50c11f53a229bcfa29cfcc79b2d06b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0fd7933418add2571b92276d75f0d57a9b50c11f53a229bcfa29cfcc79b2d06b","first_computed_at":"2026-07-04T15:17:03.466554Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:17:03.466554Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uPy+ucHHMYyZ+wQ43aZc9hBrg9k950YnnP53RRlv3MpZQs4UBr7zZ9nAIiNQWP12Zb0Hj5hxTOBfJqbOF77DAw==","signature_status":"signed_v1","signed_at":"2026-07-04T15:17:03.466922Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ex/0606032","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:58121a229559daff1db4cb0b22af8e8399aa2a73413e2af978e1062da27369f2","sha256:44e25a88db685b13bdbb1c79c171e79f54254b1f943d239fb3a4503fbf2aa3ed"],"state_sha256":"68b6de7f02ea58582891b0e9bdee19aa30108618ca7d7421921cc207983dc32a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oYbERwGHP7X487SlrTAMFqjoZ525PdeTrm3QCfgxuUFrqSX45ij+u8gjDA5ozyAhylJLAW/HXsJxxDC7k++mAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-22T09:05:05.622838Z","bundle_sha256":"8040d93874fdd82553b6d3e4a72485379ce5b17aca47d9d4e8c438ef810d8a37"}}