{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:6FAU3SF2WYR3XMX422WSNNL5QU","short_pith_number":"pith:6FAU3SF2","canonical_record":{"source":{"id":"1301.5145","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-01-22T11:12:10Z","cross_cats_sorted":[],"title_canon_sha256":"61161b940c41226f826a90090e138afd3947651779f4a58abf08995e32c0b4cb","abstract_canon_sha256":"0ec3bd50d1e9992297769458a34d72eac2474ca3593605267460d2e1dcb2c4fa"},"schema_version":"1.0"},"canonical_sha256":"f1414dc8bab623bbb2fcd6ad26b57d853843cf685880eb728accba54fef32066","source":{"kind":"arxiv","id":"1301.5145","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.5145","created_at":"2026-05-18T01:52:04Z"},{"alias_kind":"arxiv_version","alias_value":"1301.5145v2","created_at":"2026-05-18T01:52:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.5145","created_at":"2026-05-18T01:52:04Z"},{"alias_kind":"pith_short_12","alias_value":"6FAU3SF2WYR3","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"6FAU3SF2WYR3XMX4","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"6FAU3SF2","created_at":"2026-05-18T12:27:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:6FAU3SF2WYR3XMX422WSNNL5QU","target":"record","payload":{"canonical_record":{"source":{"id":"1301.5145","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-01-22T11:12:10Z","cross_cats_sorted":[],"title_canon_sha256":"61161b940c41226f826a90090e138afd3947651779f4a58abf08995e32c0b4cb","abstract_canon_sha256":"0ec3bd50d1e9992297769458a34d72eac2474ca3593605267460d2e1dcb2c4fa"},"schema_version":"1.0"},"canonical_sha256":"f1414dc8bab623bbb2fcd6ad26b57d853843cf685880eb728accba54fef32066","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:52:04.763203Z","signature_b64":"gTI2DH1Ngyqt492s7ZD+F/GB966o8Zoo4paZiG3AnM/gcwcBycC8O93GHle3RRxNLXm6EIPCZE0YNid2YyLeDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f1414dc8bab623bbb2fcd6ad26b57d853843cf685880eb728accba54fef32066","last_reissued_at":"2026-05-18T01:52:04.762680Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:52:04.762680Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1301.5145","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":"2026-05-18T01:52:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OGJKzGra/a3ANPquQIwYIExlDWUA40mYeiQkKVabOt9Tww/IZS1f77PTGfnHTj97gVWxWy3YhW2hBZu7ahc7Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T11:23:01.326239Z"},"content_sha256":"b8d4345eeb8bb555aecfd395f6457a52c546f698f4754679a6cbd67858637c4c","schema_version":"1.0","event_id":"sha256:b8d4345eeb8bb555aecfd395f6457a52c546f698f4754679a6cbd67858637c4c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:6FAU3SF2WYR3XMX422WSNNL5QU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Impact of Torsion Space-Time on $t\\bar{t}$ observables at Hadron Colliders","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Mojtaba Mohammadi Najafabadi, Seyed Yaser Ayazi","submitted_at":"2013-01-22T11:12:10Z","abstract_excerpt":"Starting from the effective torsion space-time model, we study its effects on the top pair production cross section at hadron colliders. We also study the effect of this model on top pair asymmetries at the Tevatron and the LHC. We find that torsion space-time can explain forward-backward asymmetry according to measured anomaly at Tevatron. We find an allowed region in the parameters space which can satisfy simultaneously all $t\\bar{t}$ observables measured at Tevatron and LHC."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.5145","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":"2026-05-18T01:52:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9PU66HfvdpVsCvQthHCOL5k3kf5+uLnlNsulwlvSA+b9h0b1+xJEjqneEJRe5vFguQBuTnJtCjfVcbzlOKqYDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T11:23:01.327026Z"},"content_sha256":"b25743e456df7018e20b402b4f4314da27ae1959d6fde69d0da1fdb70a2dd52f","schema_version":"1.0","event_id":"sha256:b25743e456df7018e20b402b4f4314da27ae1959d6fde69d0da1fdb70a2dd52f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6FAU3SF2WYR3XMX422WSNNL5QU/bundle.json","state_url":"https://pith.science/pith/6FAU3SF2WYR3XMX422WSNNL5QU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6FAU3SF2WYR3XMX422WSNNL5QU/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":"2026-05-31T11:23:01Z","links":{"resolver":"https://pith.science/pith/6FAU3SF2WYR3XMX422WSNNL5QU","bundle":"https://pith.science/pith/6FAU3SF2WYR3XMX422WSNNL5QU/bundle.json","state":"https://pith.science/pith/6FAU3SF2WYR3XMX422WSNNL5QU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6FAU3SF2WYR3XMX422WSNNL5QU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:6FAU3SF2WYR3XMX422WSNNL5QU","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":"0ec3bd50d1e9992297769458a34d72eac2474ca3593605267460d2e1dcb2c4fa","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-01-22T11:12:10Z","title_canon_sha256":"61161b940c41226f826a90090e138afd3947651779f4a58abf08995e32c0b4cb"},"schema_version":"1.0","source":{"id":"1301.5145","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.5145","created_at":"2026-05-18T01:52:04Z"},{"alias_kind":"arxiv_version","alias_value":"1301.5145v2","created_at":"2026-05-18T01:52:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.5145","created_at":"2026-05-18T01:52:04Z"},{"alias_kind":"pith_short_12","alias_value":"6FAU3SF2WYR3","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"6FAU3SF2WYR3XMX4","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"6FAU3SF2","created_at":"2026-05-18T12:27:36Z"}],"graph_snapshots":[{"event_id":"sha256:b25743e456df7018e20b402b4f4314da27ae1959d6fde69d0da1fdb70a2dd52f","target":"graph","created_at":"2026-05-18T01:52:04Z","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":"Starting from the effective torsion space-time model, we study its effects on the top pair production cross section at hadron colliders. We also study the effect of this model on top pair asymmetries at the Tevatron and the LHC. We find that torsion space-time can explain forward-backward asymmetry according to measured anomaly at Tevatron. We find an allowed region in the parameters space which can satisfy simultaneously all $t\\bar{t}$ observables measured at Tevatron and LHC.","authors_text":"Mojtaba Mohammadi Najafabadi, Seyed Yaser Ayazi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-01-22T11:12:10Z","title":"Impact of Torsion Space-Time on $t\\bar{t}$ observables at Hadron Colliders"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.5145","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:b8d4345eeb8bb555aecfd395f6457a52c546f698f4754679a6cbd67858637c4c","target":"record","created_at":"2026-05-18T01:52:04Z","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":"0ec3bd50d1e9992297769458a34d72eac2474ca3593605267460d2e1dcb2c4fa","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-01-22T11:12:10Z","title_canon_sha256":"61161b940c41226f826a90090e138afd3947651779f4a58abf08995e32c0b4cb"},"schema_version":"1.0","source":{"id":"1301.5145","kind":"arxiv","version":2}},"canonical_sha256":"f1414dc8bab623bbb2fcd6ad26b57d853843cf685880eb728accba54fef32066","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f1414dc8bab623bbb2fcd6ad26b57d853843cf685880eb728accba54fef32066","first_computed_at":"2026-05-18T01:52:04.762680Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:52:04.762680Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gTI2DH1Ngyqt492s7ZD+F/GB966o8Zoo4paZiG3AnM/gcwcBycC8O93GHle3RRxNLXm6EIPCZE0YNid2YyLeDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:52:04.763203Z","signed_message":"canonical_sha256_bytes"},"source_id":"1301.5145","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b8d4345eeb8bb555aecfd395f6457a52c546f698f4754679a6cbd67858637c4c","sha256:b25743e456df7018e20b402b4f4314da27ae1959d6fde69d0da1fdb70a2dd52f"],"state_sha256":"0152afde3da0b5b8ed3c25704597e1b69006faa7c434a9d65e342f4d5c11f0e2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gL55CI2MQIh8Phid3pAgng5C+NWOUpHh3ob04X2sOMDajbrpwgRTO4LZ53ARiChEkl0py0oOacndfwA7FUxVAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T11:23:01.331084Z","bundle_sha256":"265d30561a12262e3c0a4451cbdd427c43d7599e2d9e5eb7e2309b6e519edb6f"}}