{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:Z4F2F6XPUEDVE4W7TC5A5MLYRV","short_pith_number":"pith:Z4F2F6XP","canonical_record":{"source":{"id":"1610.08028","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-10-25T19:28:24Z","cross_cats_sorted":[],"title_canon_sha256":"2f20628d97b1a2a532c630f76058c1feae5a8184f5de281aae3b8575391600dc","abstract_canon_sha256":"b3fcce65edc5761a523766ed185bae48f775ec80a0b696380289e9336408ff97"},"schema_version":"1.0"},"canonical_sha256":"cf0ba2faefa1075272df98ba0eb1788d52bf08bbd9e52f73680ef5f19961ac67","source":{"kind":"arxiv","id":"1610.08028","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.08028","created_at":"2026-05-18T00:45:47Z"},{"alias_kind":"arxiv_version","alias_value":"1610.08028v1","created_at":"2026-05-18T00:45:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.08028","created_at":"2026-05-18T00:45:47Z"},{"alias_kind":"pith_short_12","alias_value":"Z4F2F6XPUEDV","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_16","alias_value":"Z4F2F6XPUEDVE4W7","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_8","alias_value":"Z4F2F6XP","created_at":"2026-05-18T12:30:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:Z4F2F6XPUEDVE4W7TC5A5MLYRV","target":"record","payload":{"canonical_record":{"source":{"id":"1610.08028","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-10-25T19:28:24Z","cross_cats_sorted":[],"title_canon_sha256":"2f20628d97b1a2a532c630f76058c1feae5a8184f5de281aae3b8575391600dc","abstract_canon_sha256":"b3fcce65edc5761a523766ed185bae48f775ec80a0b696380289e9336408ff97"},"schema_version":"1.0"},"canonical_sha256":"cf0ba2faefa1075272df98ba0eb1788d52bf08bbd9e52f73680ef5f19961ac67","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:45:47.865682Z","signature_b64":"ooDNiLi4XjAsZdr7G2vpDxHs4EgFO+AcXXo2cchg0fMNXKwYpjta9ClqCRuxeEogUuMeS/Jd3Lz6U47FCcLQBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cf0ba2faefa1075272df98ba0eb1788d52bf08bbd9e52f73680ef5f19961ac67","last_reissued_at":"2026-05-18T00:45:47.865104Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:45:47.865104Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1610.08028","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":"2026-05-18T00:45:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LU+KhCeqyMNsdGD2+/DR4vC8Zw6jG7MqIyuMv12heo2KxOkrhBSHJCDdW41XA6j4sJa3VaVQfGgxzOSAx91oBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T13:47:39.706918Z"},"content_sha256":"886b5b2bccdd0eddc8d34da89c0b9666eb8dcb3de8beef7b22e6df67dc8f3529","schema_version":"1.0","event_id":"sha256:886b5b2bccdd0eddc8d34da89c0b9666eb8dcb3de8beef7b22e6df67dc8f3529"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:Z4F2F6XPUEDVE4W7TC5A5MLYRV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Muon bundles from extensive air showers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Grzegorz Wilk, Maciej Rybczynski, Zbigniew Wlodarczyk","submitted_at":"2016-10-25T19:28:24Z","abstract_excerpt":"In this talk we present a possible explanation of the presence of high muon multiplicity events registered recenty by CERN ALICE experiment in its dedicated cosmic ray run."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.08028","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":"2026-05-18T00:45:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"u0mXKSzwpTqJZ135NVuWRHyiqOHMTk6VNwUnKl7+z4hLtgUxo0ZA4QOs1PZdJ6dj+V/Db6jumZW24R4gY5Z9Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T13:47:39.707265Z"},"content_sha256":"02d356687dbd21f7831a24289e760f4efafb624f7712a1aec3c45b43938d1490","schema_version":"1.0","event_id":"sha256:02d356687dbd21f7831a24289e760f4efafb624f7712a1aec3c45b43938d1490"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Z4F2F6XPUEDVE4W7TC5A5MLYRV/bundle.json","state_url":"https://pith.science/pith/Z4F2F6XPUEDVE4W7TC5A5MLYRV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Z4F2F6XPUEDVE4W7TC5A5MLYRV/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":"2026-06-09T13:47:39Z","links":{"resolver":"https://pith.science/pith/Z4F2F6XPUEDVE4W7TC5A5MLYRV","bundle":"https://pith.science/pith/Z4F2F6XPUEDVE4W7TC5A5MLYRV/bundle.json","state":"https://pith.science/pith/Z4F2F6XPUEDVE4W7TC5A5MLYRV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Z4F2F6XPUEDVE4W7TC5A5MLYRV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:Z4F2F6XPUEDVE4W7TC5A5MLYRV","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":"b3fcce65edc5761a523766ed185bae48f775ec80a0b696380289e9336408ff97","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-10-25T19:28:24Z","title_canon_sha256":"2f20628d97b1a2a532c630f76058c1feae5a8184f5de281aae3b8575391600dc"},"schema_version":"1.0","source":{"id":"1610.08028","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.08028","created_at":"2026-05-18T00:45:47Z"},{"alias_kind":"arxiv_version","alias_value":"1610.08028v1","created_at":"2026-05-18T00:45:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.08028","created_at":"2026-05-18T00:45:47Z"},{"alias_kind":"pith_short_12","alias_value":"Z4F2F6XPUEDV","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_16","alias_value":"Z4F2F6XPUEDVE4W7","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_8","alias_value":"Z4F2F6XP","created_at":"2026-05-18T12:30:53Z"}],"graph_snapshots":[{"event_id":"sha256:02d356687dbd21f7831a24289e760f4efafb624f7712a1aec3c45b43938d1490","target":"graph","created_at":"2026-05-18T00:45:47Z","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":"In this talk we present a possible explanation of the presence of high muon multiplicity events registered recenty by CERN ALICE experiment in its dedicated cosmic ray run.","authors_text":"Grzegorz Wilk, Maciej Rybczynski, Zbigniew Wlodarczyk","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-10-25T19:28:24Z","title":"Muon bundles from extensive air showers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.08028","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":"sha256:886b5b2bccdd0eddc8d34da89c0b9666eb8dcb3de8beef7b22e6df67dc8f3529","target":"record","created_at":"2026-05-18T00:45:47Z","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":"b3fcce65edc5761a523766ed185bae48f775ec80a0b696380289e9336408ff97","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-10-25T19:28:24Z","title_canon_sha256":"2f20628d97b1a2a532c630f76058c1feae5a8184f5de281aae3b8575391600dc"},"schema_version":"1.0","source":{"id":"1610.08028","kind":"arxiv","version":1}},"canonical_sha256":"cf0ba2faefa1075272df98ba0eb1788d52bf08bbd9e52f73680ef5f19961ac67","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cf0ba2faefa1075272df98ba0eb1788d52bf08bbd9e52f73680ef5f19961ac67","first_computed_at":"2026-05-18T00:45:47.865104Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:45:47.865104Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ooDNiLi4XjAsZdr7G2vpDxHs4EgFO+AcXXo2cchg0fMNXKwYpjta9ClqCRuxeEogUuMeS/Jd3Lz6U47FCcLQBA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:45:47.865682Z","signed_message":"canonical_sha256_bytes"},"source_id":"1610.08028","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:886b5b2bccdd0eddc8d34da89c0b9666eb8dcb3de8beef7b22e6df67dc8f3529","sha256:02d356687dbd21f7831a24289e760f4efafb624f7712a1aec3c45b43938d1490"],"state_sha256":"636e87840c3529a6872435bb2ae19b2b66b53d2139c148f3d1494bfa75c25b54"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9CRTwXIFoOVP5kau8bJVRGSsWCOLAMyfvlB/dJl36cIxVhNTEJPTOVnC2BsOi+xNXMxgoZ+P5ZwjN3+WNJEMAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T13:47:39.709751Z","bundle_sha256":"e0ae489a177bdbe6f349decff24de7345e37c81a2dc59403915efefde97f6170"}}