{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:CZGTTVIZN4CWUKBK7Q3T3BNOOI","short_pith_number":"pith:CZGTTVIZ","canonical_record":{"source":{"id":"1210.2570","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-10-09T11:43:11Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"1e03fb24b42108f543739042b0554fec851b96849c6947a340ce816a6dd476b5","abstract_canon_sha256":"2b58a0f56e97af07dd5d8de2508fbb14e47eb2a5a1ef39de2f8ef5391d3fc826"},"schema_version":"1.0"},"canonical_sha256":"164d39d5196f056a282afc373d85ae72119ccef0e2a6637ea3dddf6f318c75b3","source":{"kind":"arxiv","id":"1210.2570","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.2570","created_at":"2026-05-18T01:54:04Z"},{"alias_kind":"arxiv_version","alias_value":"1210.2570v2","created_at":"2026-05-18T01:54:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.2570","created_at":"2026-05-18T01:54:04Z"},{"alias_kind":"pith_short_12","alias_value":"CZGTTVIZN4CW","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_16","alias_value":"CZGTTVIZN4CWUKBK","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_8","alias_value":"CZGTTVIZ","created_at":"2026-05-18T12:27:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:CZGTTVIZN4CWUKBK7Q3T3BNOOI","target":"record","payload":{"canonical_record":{"source":{"id":"1210.2570","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-10-09T11:43:11Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"1e03fb24b42108f543739042b0554fec851b96849c6947a340ce816a6dd476b5","abstract_canon_sha256":"2b58a0f56e97af07dd5d8de2508fbb14e47eb2a5a1ef39de2f8ef5391d3fc826"},"schema_version":"1.0"},"canonical_sha256":"164d39d5196f056a282afc373d85ae72119ccef0e2a6637ea3dddf6f318c75b3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:54:04.152842Z","signature_b64":"GTccAsDbTpAcd/ISoasJOAJuKDUbGIjjOegVzKVgZ273r5Avtl+RyYmJJV7klnGqaJWoNH4TpwEvQQDHPTx+Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"164d39d5196f056a282afc373d85ae72119ccef0e2a6637ea3dddf6f318c75b3","last_reissued_at":"2026-05-18T01:54:04.152214Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:54:04.152214Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1210.2570","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":"2026-05-18T01:54:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WE/jVIb4FzRhAjBRIybloMno0ddFx/0CR94Q1C3PjHKsgXFGciAk2zB4huLfvmhYz8i5wxeF+gKFZ9UzLWS1BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T21:28:51.853488Z"},"content_sha256":"2a7ce73c4f06ab362f15b8e2455561c39b86e26920ae041ce6d02995981dd120","schema_version":"1.0","event_id":"sha256:2a7ce73c4f06ab362f15b8e2455561c39b86e26920ae041ce6d02995981dd120"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:CZGTTVIZN4CWUKBK7Q3T3BNOOI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Constraining the Intrinsic Structure of Top-Quarks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Ayres Freitas, Christoph Englert, Michael Spira, Peter M. Zerwas","submitted_at":"2012-10-09T11:43:11Z","abstract_excerpt":"The basic structure of top-quarks as spin-1/2 particles is characterized by the radius $R_t$ and the intrinsic magnetic dipole moment $\\kappa_t$, both individually associated with gauge interactions. They are predicted to be zero in pointlike theories as the Standard Model. We derive upper limits of these parameters in the color sector from cross sections measured at Tevatron and LHC in top-pair production $p{\\bar{p}}/pp \\to t{\\bar{t}}$, and we predict improved limits expected from LHC in the future, especially for analyses exploiting boosted top final states. An additional method for measurin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.2570","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":""},"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":"2026-05-18T01:54:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GJXj56H3czma/X3wT/vV9E7i43fZVzO20qAyaBZDXd1K+nXmoh647Iycg0A+xQSrWXTpgNyZSBqLoF15KXiFAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T21:28:51.854091Z"},"content_sha256":"f9d613bc9288fba4f66c04e2caf5a2fe27682ff904de0d28bd53eaa0248b22ad","schema_version":"1.0","event_id":"sha256:f9d613bc9288fba4f66c04e2caf5a2fe27682ff904de0d28bd53eaa0248b22ad"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CZGTTVIZN4CWUKBK7Q3T3BNOOI/bundle.json","state_url":"https://pith.science/pith/CZGTTVIZN4CWUKBK7Q3T3BNOOI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CZGTTVIZN4CWUKBK7Q3T3BNOOI/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":"2026-05-31T21:28:51Z","links":{"resolver":"https://pith.science/pith/CZGTTVIZN4CWUKBK7Q3T3BNOOI","bundle":"https://pith.science/pith/CZGTTVIZN4CWUKBK7Q3T3BNOOI/bundle.json","state":"https://pith.science/pith/CZGTTVIZN4CWUKBK7Q3T3BNOOI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CZGTTVIZN4CWUKBK7Q3T3BNOOI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:CZGTTVIZN4CWUKBK7Q3T3BNOOI","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":"2b58a0f56e97af07dd5d8de2508fbb14e47eb2a5a1ef39de2f8ef5391d3fc826","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-10-09T11:43:11Z","title_canon_sha256":"1e03fb24b42108f543739042b0554fec851b96849c6947a340ce816a6dd476b5"},"schema_version":"1.0","source":{"id":"1210.2570","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.2570","created_at":"2026-05-18T01:54:04Z"},{"alias_kind":"arxiv_version","alias_value":"1210.2570v2","created_at":"2026-05-18T01:54:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.2570","created_at":"2026-05-18T01:54:04Z"},{"alias_kind":"pith_short_12","alias_value":"CZGTTVIZN4CW","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_16","alias_value":"CZGTTVIZN4CWUKBK","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_8","alias_value":"CZGTTVIZ","created_at":"2026-05-18T12:27:01Z"}],"graph_snapshots":[{"event_id":"sha256:f9d613bc9288fba4f66c04e2caf5a2fe27682ff904de0d28bd53eaa0248b22ad","target":"graph","created_at":"2026-05-18T01:54:04Z","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":"The basic structure of top-quarks as spin-1/2 particles is characterized by the radius $R_t$ and the intrinsic magnetic dipole moment $\\kappa_t$, both individually associated with gauge interactions. They are predicted to be zero in pointlike theories as the Standard Model. We derive upper limits of these parameters in the color sector from cross sections measured at Tevatron and LHC in top-pair production $p{\\bar{p}}/pp \\to t{\\bar{t}}$, and we predict improved limits expected from LHC in the future, especially for analyses exploiting boosted top final states. An additional method for measurin","authors_text":"Ayres Freitas, Christoph Englert, Michael Spira, Peter M. Zerwas","cross_cats":["hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-10-09T11:43:11Z","title":"Constraining the Intrinsic Structure of Top-Quarks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.2570","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":"sha256:2a7ce73c4f06ab362f15b8e2455561c39b86e26920ae041ce6d02995981dd120","target":"record","created_at":"2026-05-18T01:54:04Z","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":"2b58a0f56e97af07dd5d8de2508fbb14e47eb2a5a1ef39de2f8ef5391d3fc826","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-10-09T11:43:11Z","title_canon_sha256":"1e03fb24b42108f543739042b0554fec851b96849c6947a340ce816a6dd476b5"},"schema_version":"1.0","source":{"id":"1210.2570","kind":"arxiv","version":2}},"canonical_sha256":"164d39d5196f056a282afc373d85ae72119ccef0e2a6637ea3dddf6f318c75b3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"164d39d5196f056a282afc373d85ae72119ccef0e2a6637ea3dddf6f318c75b3","first_computed_at":"2026-05-18T01:54:04.152214Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:54:04.152214Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GTccAsDbTpAcd/ISoasJOAJuKDUbGIjjOegVzKVgZ273r5Avtl+RyYmJJV7klnGqaJWoNH4TpwEvQQDHPTx+Dw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:54:04.152842Z","signed_message":"canonical_sha256_bytes"},"source_id":"1210.2570","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2a7ce73c4f06ab362f15b8e2455561c39b86e26920ae041ce6d02995981dd120","sha256:f9d613bc9288fba4f66c04e2caf5a2fe27682ff904de0d28bd53eaa0248b22ad"],"state_sha256":"ed85c204e19f274df8d1aada3ffb94105ecdac374440d6147ef41a03f4db2682"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D8hJ7kD/hEDS9vct/23JniZNSM6su0ayeDPEMLh2x1brpiolnpwk8d62A2rJEBFhLKSHsGtZSfCJxjtAX7o/Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T21:28:51.857269Z","bundle_sha256":"7cbf405c20b110c69f9662b85b22491cabf99b08d8e2bb83e3ac633be83cd194"}}