{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:UJ3GXMVG2UD62XOSWVYNTJ423X","short_pith_number":"pith:UJ3GXMVG","canonical_record":{"source":{"id":"2504.09832","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2025-04-14T03:00:41Z","cross_cats_sorted":[],"title_canon_sha256":"22489681d3fddd56013e9577196645ab73de227eb9c23e4991402c25abdf2211","abstract_canon_sha256":"0b30e66b64e6029e71ca1c56fe2d36e71fd29f5e2b477f27f665dec8553ba544"},"schema_version":"1.0"},"canonical_sha256":"a2766bb2a6d507ed5dd2b570d9a79addf368cfc24653ade225a1756fffa873a5","source":{"kind":"arxiv","id":"2504.09832","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.09832","created_at":"2026-07-05T10:48:43Z"},{"alias_kind":"arxiv_version","alias_value":"2504.09832v1","created_at":"2026-07-05T10:48:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.09832","created_at":"2026-07-05T10:48:43Z"},{"alias_kind":"pith_short_12","alias_value":"UJ3GXMVG2UD6","created_at":"2026-07-05T10:48:43Z"},{"alias_kind":"pith_short_16","alias_value":"UJ3GXMVG2UD62XOS","created_at":"2026-07-05T10:48:43Z"},{"alias_kind":"pith_short_8","alias_value":"UJ3GXMVG","created_at":"2026-07-05T10:48:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:UJ3GXMVG2UD62XOSWVYNTJ423X","target":"record","payload":{"canonical_record":{"source":{"id":"2504.09832","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2025-04-14T03:00:41Z","cross_cats_sorted":[],"title_canon_sha256":"22489681d3fddd56013e9577196645ab73de227eb9c23e4991402c25abdf2211","abstract_canon_sha256":"0b30e66b64e6029e71ca1c56fe2d36e71fd29f5e2b477f27f665dec8553ba544"},"schema_version":"1.0"},"canonical_sha256":"a2766bb2a6d507ed5dd2b570d9a79addf368cfc24653ade225a1756fffa873a5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:48:43.424433Z","signature_b64":"8wSIlX5iho9rsKS67rtatosn5QB/c6gx74NiWvh2BfFJdEGI7fJpwQivSlZzohr1u158nFz29Bc6YVjFJnh6Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a2766bb2a6d507ed5dd2b570d9a79addf368cfc24653ade225a1756fffa873a5","last_reissued_at":"2026-07-05T10:48:43.423968Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:48:43.423968Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2504.09832","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":"2026-07-05T10:48:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"t7AqRKwYVDiFRBs6iEDcuUlBIInxzMNAkk+xHgGZT5/IlU1Wkhp+QMyb+1fbQgiwDCnfc0wX0poHeNkmzaMbDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T03:25:30.915200Z"},"content_sha256":"8ec22e85bca96c2b0d72543fa84907d5650bd2fc7d7a373acf1615f4421383a1","schema_version":"1.0","event_id":"sha256:8ec22e85bca96c2b0d72543fa84907d5650bd2fc7d7a373acf1615f4421383a1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:UJ3GXMVG2UD62XOSWVYNTJ423X","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum Entanglement between gauge boson pairs at a Muon Collider","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Alim Ruzi, Andrew Levin, Qiang Li, Ran Ding, Sitian Qian, Youpeng Wu","submitted_at":"2025-04-14T03:00:41Z","abstract_excerpt":"Quantum entanglement is one of significant physics phenomena that can be examined at a particle collider. A muon collider can provide a stage on which we can study substantial physics phenomenon, starting from the precision measurements of the Standard Model and beyond to the undiscovered area of physics. In this work, we present a through study of quantum entanglement in $\\mu^+\\mu^-\\to ZZ$ events at a future muon collider. By fixing the spin density matrix, observables quantifying entanglement between $Z$ boson pairs can be measured. After systematic Monte-Carlo simulation and background anal"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.09832","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2504.09832/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":"2026-07-05T10:48:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iR66R//136B7z+Cal7gLP/cNA3YRhjfBtS0JJ7jST1qR1UshC0uDnfELaRLOHGD8kZYEJMB0NBE09NeMBynKAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T03:25:30.915704Z"},"content_sha256":"deb01de5f15c40a274775bdf668b50df71a96faf01eadce804d80b72684d4f41","schema_version":"1.0","event_id":"sha256:deb01de5f15c40a274775bdf668b50df71a96faf01eadce804d80b72684d4f41"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UJ3GXMVG2UD62XOSWVYNTJ423X/bundle.json","state_url":"https://pith.science/pith/UJ3GXMVG2UD62XOSWVYNTJ423X/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UJ3GXMVG2UD62XOSWVYNTJ423X/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":"2026-08-12T03:25:30Z","links":{"resolver":"https://pith.science/pith/UJ3GXMVG2UD62XOSWVYNTJ423X","bundle":"https://pith.science/pith/UJ3GXMVG2UD62XOSWVYNTJ423X/bundle.json","state":"https://pith.science/pith/UJ3GXMVG2UD62XOSWVYNTJ423X/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UJ3GXMVG2UD62XOSWVYNTJ423X/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:UJ3GXMVG2UD62XOSWVYNTJ423X","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":"0b30e66b64e6029e71ca1c56fe2d36e71fd29f5e2b477f27f665dec8553ba544","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2025-04-14T03:00:41Z","title_canon_sha256":"22489681d3fddd56013e9577196645ab73de227eb9c23e4991402c25abdf2211"},"schema_version":"1.0","source":{"id":"2504.09832","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.09832","created_at":"2026-07-05T10:48:43Z"},{"alias_kind":"arxiv_version","alias_value":"2504.09832v1","created_at":"2026-07-05T10:48:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.09832","created_at":"2026-07-05T10:48:43Z"},{"alias_kind":"pith_short_12","alias_value":"UJ3GXMVG2UD6","created_at":"2026-07-05T10:48:43Z"},{"alias_kind":"pith_short_16","alias_value":"UJ3GXMVG2UD62XOS","created_at":"2026-07-05T10:48:43Z"},{"alias_kind":"pith_short_8","alias_value":"UJ3GXMVG","created_at":"2026-07-05T10:48:43Z"}],"graph_snapshots":[{"event_id":"sha256:deb01de5f15c40a274775bdf668b50df71a96faf01eadce804d80b72684d4f41","target":"graph","created_at":"2026-07-05T10:48:43Z","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/2504.09832/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Quantum entanglement is one of significant physics phenomena that can be examined at a particle collider. A muon collider can provide a stage on which we can study substantial physics phenomenon, starting from the precision measurements of the Standard Model and beyond to the undiscovered area of physics. In this work, we present a through study of quantum entanglement in $\\mu^+\\mu^-\\to ZZ$ events at a future muon collider. By fixing the spin density matrix, observables quantifying entanglement between $Z$ boson pairs can be measured. After systematic Monte-Carlo simulation and background anal","authors_text":"Alim Ruzi, Andrew Levin, Qiang Li, Ran Ding, Sitian Qian, Youpeng Wu","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2025-04-14T03:00:41Z","title":"Quantum Entanglement between gauge boson pairs at a Muon Collider"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.09832","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":"sha256:8ec22e85bca96c2b0d72543fa84907d5650bd2fc7d7a373acf1615f4421383a1","target":"record","created_at":"2026-07-05T10:48:43Z","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":"0b30e66b64e6029e71ca1c56fe2d36e71fd29f5e2b477f27f665dec8553ba544","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2025-04-14T03:00:41Z","title_canon_sha256":"22489681d3fddd56013e9577196645ab73de227eb9c23e4991402c25abdf2211"},"schema_version":"1.0","source":{"id":"2504.09832","kind":"arxiv","version":1}},"canonical_sha256":"a2766bb2a6d507ed5dd2b570d9a79addf368cfc24653ade225a1756fffa873a5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a2766bb2a6d507ed5dd2b570d9a79addf368cfc24653ade225a1756fffa873a5","first_computed_at":"2026-07-05T10:48:43.423968Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:48:43.423968Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8wSIlX5iho9rsKS67rtatosn5QB/c6gx74NiWvh2BfFJdEGI7fJpwQivSlZzohr1u158nFz29Bc6YVjFJnh6Aw==","signature_status":"signed_v1","signed_at":"2026-07-05T10:48:43.424433Z","signed_message":"canonical_sha256_bytes"},"source_id":"2504.09832","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8ec22e85bca96c2b0d72543fa84907d5650bd2fc7d7a373acf1615f4421383a1","sha256:deb01de5f15c40a274775bdf668b50df71a96faf01eadce804d80b72684d4f41"],"state_sha256":"12a4d12a8cc676f9db1eca6eb61aeb65e9ea6ea8094b5d56e408065ea0004ee6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/GG0x40w14+2frYhCsh77mBABoKxujvVOklzVWfihcUFmQoENGdvgWU3KSqX9Y30WGnFFnPTPC/U1vEXiI9QCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T03:25:30.919514Z","bundle_sha256":"a680c48104c172280712d1672ccafd32f7baf2d8018bd476bd144f2b5d475ae9"}}