{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2000:YXZWNCABQLNQRULXCWEO6AEKEF","short_pith_number":"pith:YXZWNCAB","canonical_record":{"source":{"id":"hep-ph/0002305","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2000-02-29T21:27:24Z","cross_cats_sorted":[],"title_canon_sha256":"bc32727ebc65837b44241ad4bcb8f85c3958a259375fb704feaafd8ae6dcf512","abstract_canon_sha256":"463f745cd2f9f02fbd4797b58705644adc5683eb0693b351fac65c7ae0302d14"},"schema_version":"1.0"},"canonical_sha256":"c5f366880182db08d1771588ef008a2154498763898e734ffe095010ced681f5","source":{"kind":"arxiv","id":"hep-ph/0002305","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0002305","created_at":"2026-07-04T14:27:30Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0002305v1","created_at":"2026-07-04T14:27:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0002305","created_at":"2026-07-04T14:27:30Z"},{"alias_kind":"pith_short_12","alias_value":"YXZWNCABQLNQ","created_at":"2026-07-04T14:27:30Z"},{"alias_kind":"pith_short_16","alias_value":"YXZWNCABQLNQRULX","created_at":"2026-07-04T14:27:30Z"},{"alias_kind":"pith_short_8","alias_value":"YXZWNCAB","created_at":"2026-07-04T14:27:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2000:YXZWNCABQLNQRULXCWEO6AEKEF","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ph/0002305","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2000-02-29T21:27:24Z","cross_cats_sorted":[],"title_canon_sha256":"bc32727ebc65837b44241ad4bcb8f85c3958a259375fb704feaafd8ae6dcf512","abstract_canon_sha256":"463f745cd2f9f02fbd4797b58705644adc5683eb0693b351fac65c7ae0302d14"},"schema_version":"1.0"},"canonical_sha256":"c5f366880182db08d1771588ef008a2154498763898e734ffe095010ced681f5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:27:30.148029Z","signature_b64":"aDjHCbi+ENxnhyPSI0mbdy+TscvFagd8bHF4B09DqiWbjpTu8yZU/MNxOjHNQ0i1PtZyt4cMMmNFuMg6jYBdDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c5f366880182db08d1771588ef008a2154498763898e734ffe095010ced681f5","last_reissued_at":"2026-07-04T14:27:30.147674Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:27:30.147674Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ph/0002305","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":"2026-07-04T14:27:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Jhf7HMWbJdEfhuc//pyV4yS/5SnGDJ7HBoJdBC/zFOcRADMS6xCxP4rsWw0Mu6+hhbc+9r/uBteuEp5JbhAMBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T07:05:43.946971Z"},"content_sha256":"4d2348e63e4a7f0ef6f93082c36d209621e50d5135d4e2c95a6693b00bbba8a1","schema_version":"1.0","event_id":"sha256:4d2348e63e4a7f0ef6f93082c36d209621e50d5135d4e2c95a6693b00bbba8a1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2000:YXZWNCABQLNQRULXCWEO6AEKEF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Top Spin and Experimental Tests","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Edmond L. Berger, Tim M. P. Tait (Argonne National Laboratory)","submitted_at":"2000-02-29T21:27:24Z","abstract_excerpt":"We examine pair mass dependence near threshold as a means to measure the spin of the top quark in hadron collisions, and we discuss the possibility that a top squark signal could be hidden among the top events."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0002305","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/hep-ph/0002305/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":"2026-07-04T14:27:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UfZZzepkF273k6X0+SrhY1fk4TyDwkJTApwzmT1D6XE3GmdcLC/ZWOaRasKSvsNxtKH8+yREugrNmtNiXI5sCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T07:05:43.947350Z"},"content_sha256":"7a7b0a6cc6dea91b3b3f54d058fba3b24ad56dc3d20d1427ec62062188721476","schema_version":"1.0","event_id":"sha256:7a7b0a6cc6dea91b3b3f54d058fba3b24ad56dc3d20d1427ec62062188721476"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YXZWNCABQLNQRULXCWEO6AEKEF/bundle.json","state_url":"https://pith.science/pith/YXZWNCABQLNQRULXCWEO6AEKEF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YXZWNCABQLNQRULXCWEO6AEKEF/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":"2026-07-05T07:05:43Z","links":{"resolver":"https://pith.science/pith/YXZWNCABQLNQRULXCWEO6AEKEF","bundle":"https://pith.science/pith/YXZWNCABQLNQRULXCWEO6AEKEF/bundle.json","state":"https://pith.science/pith/YXZWNCABQLNQRULXCWEO6AEKEF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YXZWNCABQLNQRULXCWEO6AEKEF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2000:YXZWNCABQLNQRULXCWEO6AEKEF","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":"463f745cd2f9f02fbd4797b58705644adc5683eb0693b351fac65c7ae0302d14","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"2000-02-29T21:27:24Z","title_canon_sha256":"bc32727ebc65837b44241ad4bcb8f85c3958a259375fb704feaafd8ae6dcf512"},"schema_version":"1.0","source":{"id":"hep-ph/0002305","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0002305","created_at":"2026-07-04T14:27:30Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0002305v1","created_at":"2026-07-04T14:27:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0002305","created_at":"2026-07-04T14:27:30Z"},{"alias_kind":"pith_short_12","alias_value":"YXZWNCABQLNQ","created_at":"2026-07-04T14:27:30Z"},{"alias_kind":"pith_short_16","alias_value":"YXZWNCABQLNQRULX","created_at":"2026-07-04T14:27:30Z"},{"alias_kind":"pith_short_8","alias_value":"YXZWNCAB","created_at":"2026-07-04T14:27:30Z"}],"graph_snapshots":[{"event_id":"sha256:7a7b0a6cc6dea91b3b3f54d058fba3b24ad56dc3d20d1427ec62062188721476","target":"graph","created_at":"2026-07-04T14:27:30Z","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-ph/0002305/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We examine pair mass dependence near threshold as a means to measure the spin of the top quark in hadron collisions, and we discuss the possibility that a top squark signal could be hidden among the top events.","authors_text":"Edmond L. Berger, Tim M. P. Tait (Argonne National Laboratory)","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"2000-02-29T21:27:24Z","title":"Top Spin and Experimental Tests"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0002305","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":"sha256:4d2348e63e4a7f0ef6f93082c36d209621e50d5135d4e2c95a6693b00bbba8a1","target":"record","created_at":"2026-07-04T14:27:30Z","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":"463f745cd2f9f02fbd4797b58705644adc5683eb0693b351fac65c7ae0302d14","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"2000-02-29T21:27:24Z","title_canon_sha256":"bc32727ebc65837b44241ad4bcb8f85c3958a259375fb704feaafd8ae6dcf512"},"schema_version":"1.0","source":{"id":"hep-ph/0002305","kind":"arxiv","version":1}},"canonical_sha256":"c5f366880182db08d1771588ef008a2154498763898e734ffe095010ced681f5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c5f366880182db08d1771588ef008a2154498763898e734ffe095010ced681f5","first_computed_at":"2026-07-04T14:27:30.147674Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:27:30.147674Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aDjHCbi+ENxnhyPSI0mbdy+TscvFagd8bHF4B09DqiWbjpTu8yZU/MNxOjHNQ0i1PtZyt4cMMmNFuMg6jYBdDQ==","signature_status":"signed_v1","signed_at":"2026-07-04T14:27:30.148029Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/0002305","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4d2348e63e4a7f0ef6f93082c36d209621e50d5135d4e2c95a6693b00bbba8a1","sha256:7a7b0a6cc6dea91b3b3f54d058fba3b24ad56dc3d20d1427ec62062188721476"],"state_sha256":"41fe630d3ef5d56b29ed424b129e1594a7aa436b5426dc090524b68ce429d259"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yV1i0lR3VV0oDJRFg0Hg+jzcsOz7RDWdzHQ/OsIVcKTNiBBYE8hcpClftJ55qJPl/M88llfN4THKQgqOISS3Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T07:05:43.949292Z","bundle_sha256":"cbbfea900539df3a3390f5c672709f3c8295105b1502fe6b818dae81d07ccedf"}}