{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:FY4MUNJ67BE75RMXAAOCRQKL6T","short_pith_number":"pith:FY4MUNJ6","canonical_record":{"source":{"id":"1511.06451","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-11-19T23:37:14Z","cross_cats_sorted":[],"title_canon_sha256":"be1154eb412afa6885e69ef27189889bf900601c41bdd5e5eb3d2c577a232ade","abstract_canon_sha256":"4c0ed7a2dda77409e2e34a61c9c4217a029fc5849c16fb750d24876cd0988163"},"schema_version":"1.0"},"canonical_sha256":"2e38ca353ef849fec597001c28c14bf4e433c3b2cc69c3060f4968516186f6b3","source":{"kind":"arxiv","id":"1511.06451","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.06451","created_at":"2026-05-18T01:21:04Z"},{"alias_kind":"arxiv_version","alias_value":"1511.06451v1","created_at":"2026-05-18T01:21:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.06451","created_at":"2026-05-18T01:21:04Z"},{"alias_kind":"pith_short_12","alias_value":"FY4MUNJ67BE7","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_16","alias_value":"FY4MUNJ67BE75RMX","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_8","alias_value":"FY4MUNJ6","created_at":"2026-05-18T12:29:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:FY4MUNJ67BE75RMXAAOCRQKL6T","target":"record","payload":{"canonical_record":{"source":{"id":"1511.06451","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-11-19T23:37:14Z","cross_cats_sorted":[],"title_canon_sha256":"be1154eb412afa6885e69ef27189889bf900601c41bdd5e5eb3d2c577a232ade","abstract_canon_sha256":"4c0ed7a2dda77409e2e34a61c9c4217a029fc5849c16fb750d24876cd0988163"},"schema_version":"1.0"},"canonical_sha256":"2e38ca353ef849fec597001c28c14bf4e433c3b2cc69c3060f4968516186f6b3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:21:04.121483Z","signature_b64":"GYMu4kMNpCtRCpfxMiQrFYopYRiICwT8VOl8XdMNpGP0sdZM0zVsGQeggSP7ttp//c24ZoimBWR5FC+uELihDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2e38ca353ef849fec597001c28c14bf4e433c3b2cc69c3060f4968516186f6b3","last_reissued_at":"2026-05-18T01:21:04.120775Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:21:04.120775Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1511.06451","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":"2026-05-18T01:21:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DdDRWYnFuo8wDd9faBwTeaQCLHr/RGwbYlAyjnYvV0mmXZ2JstSV4cHosZ5DufmVMTDcYQmCAdhulrhIkxsbAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T07:31:25.395276Z"},"content_sha256":"b91e085aee8011a2b557f9e1a40be9c507ae562a1f7a41beb1b3b000342db27c","schema_version":"1.0","event_id":"sha256:b91e085aee8011a2b557f9e1a40be9c507ae562a1f7a41beb1b3b000342db27c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:FY4MUNJ67BE75RMXAAOCRQKL6T","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Constraining the Strength and CP Structure of Dark Production at the LHC: the Associated Top-Pair Channel","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Dorival Goncalves, Matthew R. Buckley","submitted_at":"2015-11-19T23:37:14Z","abstract_excerpt":"We consider the production of dark matter in association with a pair of top quarks, mediated by a scalar or pseudoscalar particle in a generic Simplified Model. We demonstrate that the difference of azimuthal angle between the two leptons $\\Delta \\phi_{ll}$, in the dileptonic top decay mode, can directly probe the CP-properties of the mediator. We estimate the constraints to strength and CP-structure of dark matter production for these well-motivated Simplified Models from the LHC Run II."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.06451","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":"2026-05-18T01:21:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OUvOUWyxHA24sT/KHDDhlEebVGYKAuO2zQM7/bNUYB+yJ0zbPjy+skZMI0DVJR8zdnoS3D72jt+shDs6L3cEBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T07:31:25.395708Z"},"content_sha256":"8693703828a7986bd88ac46dc18701f81462e409acb57d280622d62c1233c69f","schema_version":"1.0","event_id":"sha256:8693703828a7986bd88ac46dc18701f81462e409acb57d280622d62c1233c69f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FY4MUNJ67BE75RMXAAOCRQKL6T/bundle.json","state_url":"https://pith.science/pith/FY4MUNJ67BE75RMXAAOCRQKL6T/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FY4MUNJ67BE75RMXAAOCRQKL6T/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":"2026-05-27T07:31:25Z","links":{"resolver":"https://pith.science/pith/FY4MUNJ67BE75RMXAAOCRQKL6T","bundle":"https://pith.science/pith/FY4MUNJ67BE75RMXAAOCRQKL6T/bundle.json","state":"https://pith.science/pith/FY4MUNJ67BE75RMXAAOCRQKL6T/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FY4MUNJ67BE75RMXAAOCRQKL6T/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:FY4MUNJ67BE75RMXAAOCRQKL6T","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":"4c0ed7a2dda77409e2e34a61c9c4217a029fc5849c16fb750d24876cd0988163","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-11-19T23:37:14Z","title_canon_sha256":"be1154eb412afa6885e69ef27189889bf900601c41bdd5e5eb3d2c577a232ade"},"schema_version":"1.0","source":{"id":"1511.06451","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.06451","created_at":"2026-05-18T01:21:04Z"},{"alias_kind":"arxiv_version","alias_value":"1511.06451v1","created_at":"2026-05-18T01:21:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.06451","created_at":"2026-05-18T01:21:04Z"},{"alias_kind":"pith_short_12","alias_value":"FY4MUNJ67BE7","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_16","alias_value":"FY4MUNJ67BE75RMX","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_8","alias_value":"FY4MUNJ6","created_at":"2026-05-18T12:29:22Z"}],"graph_snapshots":[{"event_id":"sha256:8693703828a7986bd88ac46dc18701f81462e409acb57d280622d62c1233c69f","target":"graph","created_at":"2026-05-18T01:21:04Z","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":"We consider the production of dark matter in association with a pair of top quarks, mediated by a scalar or pseudoscalar particle in a generic Simplified Model. We demonstrate that the difference of azimuthal angle between the two leptons $\\Delta \\phi_{ll}$, in the dileptonic top decay mode, can directly probe the CP-properties of the mediator. We estimate the constraints to strength and CP-structure of dark matter production for these well-motivated Simplified Models from the LHC Run II.","authors_text":"Dorival Goncalves, Matthew R. Buckley","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-11-19T23:37:14Z","title":"Constraining the Strength and CP Structure of Dark Production at the LHC: the Associated Top-Pair Channel"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.06451","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:b91e085aee8011a2b557f9e1a40be9c507ae562a1f7a41beb1b3b000342db27c","target":"record","created_at":"2026-05-18T01:21:04Z","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":"4c0ed7a2dda77409e2e34a61c9c4217a029fc5849c16fb750d24876cd0988163","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-11-19T23:37:14Z","title_canon_sha256":"be1154eb412afa6885e69ef27189889bf900601c41bdd5e5eb3d2c577a232ade"},"schema_version":"1.0","source":{"id":"1511.06451","kind":"arxiv","version":1}},"canonical_sha256":"2e38ca353ef849fec597001c28c14bf4e433c3b2cc69c3060f4968516186f6b3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2e38ca353ef849fec597001c28c14bf4e433c3b2cc69c3060f4968516186f6b3","first_computed_at":"2026-05-18T01:21:04.120775Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:21:04.120775Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GYMu4kMNpCtRCpfxMiQrFYopYRiICwT8VOl8XdMNpGP0sdZM0zVsGQeggSP7ttp//c24ZoimBWR5FC+uELihDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:21:04.121483Z","signed_message":"canonical_sha256_bytes"},"source_id":"1511.06451","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b91e085aee8011a2b557f9e1a40be9c507ae562a1f7a41beb1b3b000342db27c","sha256:8693703828a7986bd88ac46dc18701f81462e409acb57d280622d62c1233c69f"],"state_sha256":"5fd694ef1c701c571d1776fa685654dcf6d14811618c82ac03948682af6dd3c2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qfNt/fV9AYmUfLj5WUAPfJXR5+w7syv2Zo9S6VgMtnMU+0egf31KPrxidqU6LfB8fvTblbC7DNbsWMz7lw8HCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T07:31:25.398344Z","bundle_sha256":"8da6385b83781c0417c2cdc1989768d5b5bc630a9334492c3ad56ba703194e55"}}