{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2001:EKC42JBPNDXS7ZJ63FPKZ7UWTA","short_pith_number":"pith:EKC42JBP","canonical_record":{"source":{"id":"hep-ex/0101041","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ex","submitted_at":"2001-01-24T17:26:58Z","cross_cats_sorted":[],"title_canon_sha256":"29a7ff167758341585fa829190231f4ce16fa444843de0bfcdb2e680b05cfe96","abstract_canon_sha256":"a820e027c6de9c91e7d825e81dff38bf29cd30d270984c4571b76a814844645d"},"schema_version":"1.0"},"canonical_sha256":"2285cd242f68ef2fe53ed95eacfe9698325da13d17caf9322a09eb875c4ddcd6","source":{"kind":"arxiv","id":"hep-ex/0101041","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ex/0101041","created_at":"2026-07-04T15:32:09Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ex/0101041v2","created_at":"2026-07-04T15:32:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ex/0101041","created_at":"2026-07-04T15:32:09Z"},{"alias_kind":"pith_short_12","alias_value":"EKC42JBPNDXS","created_at":"2026-07-04T15:32:09Z"},{"alias_kind":"pith_short_16","alias_value":"EKC42JBPNDXS7ZJ6","created_at":"2026-07-04T15:32:09Z"},{"alias_kind":"pith_short_8","alias_value":"EKC42JBP","created_at":"2026-07-04T15:32:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2001:EKC42JBPNDXS7ZJ63FPKZ7UWTA","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ex/0101041","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ex","submitted_at":"2001-01-24T17:26:58Z","cross_cats_sorted":[],"title_canon_sha256":"29a7ff167758341585fa829190231f4ce16fa444843de0bfcdb2e680b05cfe96","abstract_canon_sha256":"a820e027c6de9c91e7d825e81dff38bf29cd30d270984c4571b76a814844645d"},"schema_version":"1.0"},"canonical_sha256":"2285cd242f68ef2fe53ed95eacfe9698325da13d17caf9322a09eb875c4ddcd6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:32:09.809727Z","signature_b64":"u4nrYxZUGT8K3MxxprvbXzvcL3PpL62yuHtnsgALOUvxukkjdllTkH0JsUKjhp8KILFYVSeMYFKZ9O2O8dqiDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2285cd242f68ef2fe53ed95eacfe9698325da13d17caf9322a09eb875c4ddcd6","last_reissued_at":"2026-07-04T15:32:09.809286Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:32:09.809286Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ex/0101041","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":"2026-07-04T15:32:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P0/GYuSjloMTe1m/jfsp/+ThA//0Zry6l67Fwg1MNWQfJmAZlVd3RGoot+CCIjWb5PJ83plcYJFE+Y+Bn1MWDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T21:07:24.784866Z"},"content_sha256":"84ba14b6dae7f588e55ae63fdd4c63d77200524c5aa8913c9d6025fcc17b4cea","schema_version":"1.0","event_id":"sha256:84ba14b6dae7f588e55ae63fdd4c63d77200524c5aa8913c9d6025fcc17b4cea"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2001:EKC42JBPNDXS7ZJ63FPKZ7UWTA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Search for heavy neutrinos mixing with tau neutrinos","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"et al, NOMAD Collaboration, P. Astier","submitted_at":"2001-01-24T17:26:58Z","abstract_excerpt":"We report on a search for heavy neutrinos ($\\nus$) produced in the decay $D_s\\to \\tau \\nus$ at the SPS proton target followed by the decay $\\nudecay$ in the NOMAD detector. Both decays are expected to occur if $\\nus$ is a component of $\\nu_{\\tau}$.\\\n  From the analysis of the data collected during the 1996-1998 runs with $4.1\\times10^{19}$ protons on target, a single candidate event consistent with background expectations was found. This allows to derive an upper limit on the mixing strength between the heavy neutrino and the tau neutrino in the $\\nus$ mass range from 10 to 190 $\\rm MeV$. Wind"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/0101041","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/hep-ex/0101041/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":"2026-07-04T15:32:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5vZhV/O51mWLJ2sTixtUvrJIGBRdgGOrY3R+Q5opptj8bKEYyM0rkBeGRemZ5D9uA2hQZ5/3L1w2SvwxQcjkAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T21:07:24.785492Z"},"content_sha256":"254322f84bc40a9a342160c400e16c6cdc4aa390633a8871a0b808224f1e57a0","schema_version":"1.0","event_id":"sha256:254322f84bc40a9a342160c400e16c6cdc4aa390633a8871a0b808224f1e57a0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EKC42JBPNDXS7ZJ63FPKZ7UWTA/bundle.json","state_url":"https://pith.science/pith/EKC42JBPNDXS7ZJ63FPKZ7UWTA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EKC42JBPNDXS7ZJ63FPKZ7UWTA/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":"2026-08-03T21:07:24Z","links":{"resolver":"https://pith.science/pith/EKC42JBPNDXS7ZJ63FPKZ7UWTA","bundle":"https://pith.science/pith/EKC42JBPNDXS7ZJ63FPKZ7UWTA/bundle.json","state":"https://pith.science/pith/EKC42JBPNDXS7ZJ63FPKZ7UWTA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EKC42JBPNDXS7ZJ63FPKZ7UWTA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2001:EKC42JBPNDXS7ZJ63FPKZ7UWTA","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":"a820e027c6de9c91e7d825e81dff38bf29cd30d270984c4571b76a814844645d","cross_cats_sorted":[],"license":"","primary_cat":"hep-ex","submitted_at":"2001-01-24T17:26:58Z","title_canon_sha256":"29a7ff167758341585fa829190231f4ce16fa444843de0bfcdb2e680b05cfe96"},"schema_version":"1.0","source":{"id":"hep-ex/0101041","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ex/0101041","created_at":"2026-07-04T15:32:09Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ex/0101041v2","created_at":"2026-07-04T15:32:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ex/0101041","created_at":"2026-07-04T15:32:09Z"},{"alias_kind":"pith_short_12","alias_value":"EKC42JBPNDXS","created_at":"2026-07-04T15:32:09Z"},{"alias_kind":"pith_short_16","alias_value":"EKC42JBPNDXS7ZJ6","created_at":"2026-07-04T15:32:09Z"},{"alias_kind":"pith_short_8","alias_value":"EKC42JBP","created_at":"2026-07-04T15:32:09Z"}],"graph_snapshots":[{"event_id":"sha256:254322f84bc40a9a342160c400e16c6cdc4aa390633a8871a0b808224f1e57a0","target":"graph","created_at":"2026-07-04T15:32:09Z","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/0101041/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We report on a search for heavy neutrinos ($\\nus$) produced in the decay $D_s\\to \\tau \\nus$ at the SPS proton target followed by the decay $\\nudecay$ in the NOMAD detector. Both decays are expected to occur if $\\nus$ is a component of $\\nu_{\\tau}$.\\\n  From the analysis of the data collected during the 1996-1998 runs with $4.1\\times10^{19}$ protons on target, a single candidate event consistent with background expectations was found. This allows to derive an upper limit on the mixing strength between the heavy neutrino and the tau neutrino in the $\\nus$ mass range from 10 to 190 $\\rm MeV$. Wind","authors_text":"et al, NOMAD Collaboration, P. Astier","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ex","submitted_at":"2001-01-24T17:26:58Z","title":"Search for heavy neutrinos mixing with tau neutrinos"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/0101041","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":"sha256:84ba14b6dae7f588e55ae63fdd4c63d77200524c5aa8913c9d6025fcc17b4cea","target":"record","created_at":"2026-07-04T15:32:09Z","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":"a820e027c6de9c91e7d825e81dff38bf29cd30d270984c4571b76a814844645d","cross_cats_sorted":[],"license":"","primary_cat":"hep-ex","submitted_at":"2001-01-24T17:26:58Z","title_canon_sha256":"29a7ff167758341585fa829190231f4ce16fa444843de0bfcdb2e680b05cfe96"},"schema_version":"1.0","source":{"id":"hep-ex/0101041","kind":"arxiv","version":2}},"canonical_sha256":"2285cd242f68ef2fe53ed95eacfe9698325da13d17caf9322a09eb875c4ddcd6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2285cd242f68ef2fe53ed95eacfe9698325da13d17caf9322a09eb875c4ddcd6","first_computed_at":"2026-07-04T15:32:09.809286Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:32:09.809286Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"u4nrYxZUGT8K3MxxprvbXzvcL3PpL62yuHtnsgALOUvxukkjdllTkH0JsUKjhp8KILFYVSeMYFKZ9O2O8dqiDg==","signature_status":"signed_v1","signed_at":"2026-07-04T15:32:09.809727Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ex/0101041","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:84ba14b6dae7f588e55ae63fdd4c63d77200524c5aa8913c9d6025fcc17b4cea","sha256:254322f84bc40a9a342160c400e16c6cdc4aa390633a8871a0b808224f1e57a0"],"state_sha256":"8c958161e5a05a6adee4be8fb28467ea3a8e6b6b7823ae167d8ce998ba2ea0a1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6pS6B4ZcRdi1lNj5Di6WYXLyWPZVgmihMwdumPsXfDWtfUVinapPesjow8vYQZ3C+XhAEsA0K8BA5b6NGk1LCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T21:07:24.789200Z","bundle_sha256":"bba2a95068a966aff25ddf08786c6a3cfbffaecb3a8555ae5c0cdbefda83adda"}}