{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:VNGWXE34QP7IDSM5KDMX7BRQHG","short_pith_number":"pith:VNGWXE34","canonical_record":{"source":{"id":"2607.12015","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2026-07-13T18:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"ca8421b7df966fc6adf1562b810f4c0e8add5291a2171711ae40898847e3a2f6","abstract_canon_sha256":"07e5b1da59de84486eb141e7e058dd8a3e97570b7edb1872c0ddbc2dc3b7905d"},"schema_version":"1.0"},"canonical_sha256":"ab4d6b937c83fe81c99d50d97f863039a27251cfd0658f712cb8ed3780924208","source":{"kind":"arxiv","id":"2607.12015","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.12015","created_at":"2026-07-15T00:21:27Z"},{"alias_kind":"arxiv_version","alias_value":"2607.12015v1","created_at":"2026-07-15T00:21:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.12015","created_at":"2026-07-15T00:21:27Z"},{"alias_kind":"pith_short_12","alias_value":"VNGWXE34QP7I","created_at":"2026-07-15T00:21:27Z"},{"alias_kind":"pith_short_16","alias_value":"VNGWXE34QP7IDSM5","created_at":"2026-07-15T00:21:27Z"},{"alias_kind":"pith_short_8","alias_value":"VNGWXE34","created_at":"2026-07-15T00:21:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:VNGWXE34QP7IDSM5KDMX7BRQHG","target":"record","payload":{"canonical_record":{"source":{"id":"2607.12015","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2026-07-13T18:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"ca8421b7df966fc6adf1562b810f4c0e8add5291a2171711ae40898847e3a2f6","abstract_canon_sha256":"07e5b1da59de84486eb141e7e058dd8a3e97570b7edb1872c0ddbc2dc3b7905d"},"schema_version":"1.0"},"canonical_sha256":"ab4d6b937c83fe81c99d50d97f863039a27251cfd0658f712cb8ed3780924208","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-15T00:21:27.840877Z","signature_b64":"Yt7oKBVp1NXMlZlnhXb/SQvJwtIrvJzSu/NPKPf6a/Nqf6DHSaqAoDCJeW5TzubbnG0QGUXRfhSGCuDHiTUKBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ab4d6b937c83fe81c99d50d97f863039a27251cfd0658f712cb8ed3780924208","last_reissued_at":"2026-07-15T00:21:27.840032Z","signature_status":"signed_v1","first_computed_at":"2026-07-15T00:21:27.840032Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.12015","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":"2026-07-15T00:21:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gG/HJeDcYwN7qhEAuIwGYs0Rn0fM5Uc8nQMHvDdo4fXT3ZEMnhReDQWPb5pYEfHMUATnvEvuw6HyybFM8Y/aDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T04:03:44.686426Z"},"content_sha256":"22dd28687c91ad941a8bfde58c1f177fda060e1f64987d19ae147a6667b120c1","schema_version":"1.0","event_id":"sha256:22dd28687c91ad941a8bfde58c1f177fda060e1f64987d19ae147a6667b120c1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:VNGWXE34QP7IDSM5KDMX7BRQHG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Decoherence and More Coherence in the Radiative Decay of the $Z$ Boson","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Harman Singh, Kun Cheng, Tao Han, Youle Su","submitted_at":"2026-07-13T18:00:00Z","abstract_excerpt":"Final state radiation in collider processes can be interpreted as interactions with unobserved degrees of freedom and is often discussed within the context of decoherence of an entangled state. We consider the radiative decay of the $Z$ boson as a representative example and perform a detailed analytical study of the $\\tau^-\\tau^+\\gamma$ spin state, as determined by the chiral interactions of the Standard Model, over the complete three-body phase space. We explore various quantum information observables to quantify how the $\\tau^-\\tau^+$ spin state changes with the photon radiation. We find som"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.12015","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/2607.12015/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":"2026-07-15T00:21:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IGLBcmdytklsqJQDvTuG3JslVhJ/PUfNj4cIe83Q1ZPrp8U56/wMNYk/h9kRWCcgkthP4/5A9mhvUxizXN7GCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T04:03:44.687356Z"},"content_sha256":"15537a296f8a8ce27493f1f4b5ef69636211105db8a9c9f81b7671e7b1bdc620","schema_version":"1.0","event_id":"sha256:15537a296f8a8ce27493f1f4b5ef69636211105db8a9c9f81b7671e7b1bdc620"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VNGWXE34QP7IDSM5KDMX7BRQHG/bundle.json","state_url":"https://pith.science/pith/VNGWXE34QP7IDSM5KDMX7BRQHG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VNGWXE34QP7IDSM5KDMX7BRQHG/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":"2026-08-07T04:03:44Z","links":{"resolver":"https://pith.science/pith/VNGWXE34QP7IDSM5KDMX7BRQHG","bundle":"https://pith.science/pith/VNGWXE34QP7IDSM5KDMX7BRQHG/bundle.json","state":"https://pith.science/pith/VNGWXE34QP7IDSM5KDMX7BRQHG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VNGWXE34QP7IDSM5KDMX7BRQHG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:VNGWXE34QP7IDSM5KDMX7BRQHG","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":"07e5b1da59de84486eb141e7e058dd8a3e97570b7edb1872c0ddbc2dc3b7905d","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2026-07-13T18:00:00Z","title_canon_sha256":"ca8421b7df966fc6adf1562b810f4c0e8add5291a2171711ae40898847e3a2f6"},"schema_version":"1.0","source":{"id":"2607.12015","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.12015","created_at":"2026-07-15T00:21:27Z"},{"alias_kind":"arxiv_version","alias_value":"2607.12015v1","created_at":"2026-07-15T00:21:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.12015","created_at":"2026-07-15T00:21:27Z"},{"alias_kind":"pith_short_12","alias_value":"VNGWXE34QP7I","created_at":"2026-07-15T00:21:27Z"},{"alias_kind":"pith_short_16","alias_value":"VNGWXE34QP7IDSM5","created_at":"2026-07-15T00:21:27Z"},{"alias_kind":"pith_short_8","alias_value":"VNGWXE34","created_at":"2026-07-15T00:21:27Z"}],"graph_snapshots":[{"event_id":"sha256:15537a296f8a8ce27493f1f4b5ef69636211105db8a9c9f81b7671e7b1bdc620","target":"graph","created_at":"2026-07-15T00:21:27Z","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/2607.12015/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Final state radiation in collider processes can be interpreted as interactions with unobserved degrees of freedom and is often discussed within the context of decoherence of an entangled state. We consider the radiative decay of the $Z$ boson as a representative example and perform a detailed analytical study of the $\\tau^-\\tau^+\\gamma$ spin state, as determined by the chiral interactions of the Standard Model, over the complete three-body phase space. We explore various quantum information observables to quantify how the $\\tau^-\\tau^+$ spin state changes with the photon radiation. We find som","authors_text":"Harman Singh, Kun Cheng, Tao Han, Youle Su","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2026-07-13T18:00:00Z","title":"Decoherence and More Coherence in the Radiative Decay of the $Z$ Boson"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.12015","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":"sha256:22dd28687c91ad941a8bfde58c1f177fda060e1f64987d19ae147a6667b120c1","target":"record","created_at":"2026-07-15T00:21:27Z","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":"07e5b1da59de84486eb141e7e058dd8a3e97570b7edb1872c0ddbc2dc3b7905d","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2026-07-13T18:00:00Z","title_canon_sha256":"ca8421b7df966fc6adf1562b810f4c0e8add5291a2171711ae40898847e3a2f6"},"schema_version":"1.0","source":{"id":"2607.12015","kind":"arxiv","version":1}},"canonical_sha256":"ab4d6b937c83fe81c99d50d97f863039a27251cfd0658f712cb8ed3780924208","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ab4d6b937c83fe81c99d50d97f863039a27251cfd0658f712cb8ed3780924208","first_computed_at":"2026-07-15T00:21:27.840032Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-15T00:21:27.840032Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Yt7oKBVp1NXMlZlnhXb/SQvJwtIrvJzSu/NPKPf6a/Nqf6DHSaqAoDCJeW5TzubbnG0QGUXRfhSGCuDHiTUKBA==","signature_status":"signed_v1","signed_at":"2026-07-15T00:21:27.840877Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.12015","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:22dd28687c91ad941a8bfde58c1f177fda060e1f64987d19ae147a6667b120c1","sha256:15537a296f8a8ce27493f1f4b5ef69636211105db8a9c9f81b7671e7b1bdc620"],"state_sha256":"c9e4ab4c25abc2cfbdce286cb0b984a790ab412e292091f790cc0e9ae2ad346d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EmCO2qjbFq3HBLn65In3hzqsFEr8DeH8yQT4FHG0ooihb40LV2wpQ1X5ofonOzmC8MNFBu92eY/7rrxD+iFtCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T04:03:44.694236Z","bundle_sha256":"5a8d48e92c635bb857c64df79c9320a41c6ebe7d61011c592e34e0492c54b1e9"}}