{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:2NS57SLQQT4MJYFFQX7QG35T5T","short_pith_number":"pith:2NS57SLQ","canonical_record":{"source":{"id":"0804.2013","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2008-04-13T15:46:54Z","cross_cats_sorted":["hep-ex","hep-th"],"title_canon_sha256":"ab6458447edf2e9b3217a8d3c1ba376bb8d2408770fcce92961fc9cbff081193","abstract_canon_sha256":"bef32fcbe4c081d33a6be36b1f88e2c88ac1fe26cb02e67e8ed5a1196764c837"},"schema_version":"1.0"},"canonical_sha256":"d365dfc97084f8c4e0a585ff036fb3ecc64a50498e5addf1224e624dc4300e65","source":{"kind":"arxiv","id":"0804.2013","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0804.2013","created_at":"2026-07-04T15:30:00Z"},{"alias_kind":"arxiv_version","alias_value":"0804.2013v4","created_at":"2026-07-04T15:30:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0804.2013","created_at":"2026-07-04T15:30:00Z"},{"alias_kind":"pith_short_12","alias_value":"2NS57SLQQT4M","created_at":"2026-07-04T15:30:00Z"},{"alias_kind":"pith_short_16","alias_value":"2NS57SLQQT4MJYFF","created_at":"2026-07-04T15:30:00Z"},{"alias_kind":"pith_short_8","alias_value":"2NS57SLQ","created_at":"2026-07-04T15:30:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:2NS57SLQQT4MJYFFQX7QG35T5T","target":"record","payload":{"canonical_record":{"source":{"id":"0804.2013","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2008-04-13T15:46:54Z","cross_cats_sorted":["hep-ex","hep-th"],"title_canon_sha256":"ab6458447edf2e9b3217a8d3c1ba376bb8d2408770fcce92961fc9cbff081193","abstract_canon_sha256":"bef32fcbe4c081d33a6be36b1f88e2c88ac1fe26cb02e67e8ed5a1196764c837"},"schema_version":"1.0"},"canonical_sha256":"d365dfc97084f8c4e0a585ff036fb3ecc64a50498e5addf1224e624dc4300e65","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:30:00.633299Z","signature_b64":"+oMwoFFZm0sAAgJB66BgpcBU5ftzNY7iEJ7mMTD/XaoFKnjsMlxGoDITc3LK1Y5GWsvqK7xkMEeRE9DtZWc3BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d365dfc97084f8c4e0a585ff036fb3ecc64a50498e5addf1224e624dc4300e65","last_reissued_at":"2026-07-04T15:30:00.632897Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:30:00.632897Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0804.2013","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T15:30:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QEsxc6NTiSF0LPnNUGdF/6JwFCM6v5UzaXTCSaSWwns6KbAMPwt7b5k6Si6vBShhgQP2RECQkC+OwWlaNbsrDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T16:25:59.616881Z"},"content_sha256":"fa743b401ac7c2fc5b4ed719a7f9edb5c2714e592b111f13da6c8ac5f4db7534","schema_version":"1.0","event_id":"sha256:fa743b401ac7c2fc5b4ed719a7f9edb5c2714e592b111f13da6c8ac5f4db7534"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:2NS57SLQQT4MJYFFQX7QG35T5T","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Direct photons as probes of low mass strings at the LHC","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","hep-th"],"primary_cat":"hep-ph","authors_text":"Haim Goldberg, Luis A. Anchordoqui, Satoshi Nawata, Tomasz R. Taylor","submitted_at":"2008-04-13T15:46:54Z","abstract_excerpt":"The LHC program will include the identification of events with single prompt high-k_\\perp photons as probes of new physics. We show that this channel is uniquely suited to search for experimental evidence of TeV-scale open string theory. At the parton level, we analyze single photon production in gluon fusion, gg \\to \\gamma g, with open string states propagating in intermediate channels. If the photon mixes with the gauge boson of the baryon number, which is a common feature of D-brane quivers, the amplitude appears already at the string disk level. It is completely determined by the mixing pa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0804.2013","kind":"arxiv","version":4},"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/0804.2013/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":"2026-07-04T15:30:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EgpQtn/DkdLtBV/o1mdaPE64ypONp+18cVCQondxI8gkScGzCuHxZlbeeHWuDSQ6MiuovMavUkjTKW5Tl3sbDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T16:25:59.617309Z"},"content_sha256":"b244114583559d9bbe9552ab81efe69d5920f67920bd80cf2928a25babb19cf4","schema_version":"1.0","event_id":"sha256:b244114583559d9bbe9552ab81efe69d5920f67920bd80cf2928a25babb19cf4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2NS57SLQQT4MJYFFQX7QG35T5T/bundle.json","state_url":"https://pith.science/pith/2NS57SLQQT4MJYFFQX7QG35T5T/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2NS57SLQQT4MJYFFQX7QG35T5T/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":"2026-08-03T16:25:59Z","links":{"resolver":"https://pith.science/pith/2NS57SLQQT4MJYFFQX7QG35T5T","bundle":"https://pith.science/pith/2NS57SLQQT4MJYFFQX7QG35T5T/bundle.json","state":"https://pith.science/pith/2NS57SLQQT4MJYFFQX7QG35T5T/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2NS57SLQQT4MJYFFQX7QG35T5T/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:2NS57SLQQT4MJYFFQX7QG35T5T","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":"bef32fcbe4c081d33a6be36b1f88e2c88ac1fe26cb02e67e8ed5a1196764c837","cross_cats_sorted":["hep-ex","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2008-04-13T15:46:54Z","title_canon_sha256":"ab6458447edf2e9b3217a8d3c1ba376bb8d2408770fcce92961fc9cbff081193"},"schema_version":"1.0","source":{"id":"0804.2013","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0804.2013","created_at":"2026-07-04T15:30:00Z"},{"alias_kind":"arxiv_version","alias_value":"0804.2013v4","created_at":"2026-07-04T15:30:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0804.2013","created_at":"2026-07-04T15:30:00Z"},{"alias_kind":"pith_short_12","alias_value":"2NS57SLQQT4M","created_at":"2026-07-04T15:30:00Z"},{"alias_kind":"pith_short_16","alias_value":"2NS57SLQQT4MJYFF","created_at":"2026-07-04T15:30:00Z"},{"alias_kind":"pith_short_8","alias_value":"2NS57SLQ","created_at":"2026-07-04T15:30:00Z"}],"graph_snapshots":[{"event_id":"sha256:b244114583559d9bbe9552ab81efe69d5920f67920bd80cf2928a25babb19cf4","target":"graph","created_at":"2026-07-04T15:30:00Z","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/0804.2013/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The LHC program will include the identification of events with single prompt high-k_\\perp photons as probes of new physics. We show that this channel is uniquely suited to search for experimental evidence of TeV-scale open string theory. At the parton level, we analyze single photon production in gluon fusion, gg \\to \\gamma g, with open string states propagating in intermediate channels. If the photon mixes with the gauge boson of the baryon number, which is a common feature of D-brane quivers, the amplitude appears already at the string disk level. It is completely determined by the mixing pa","authors_text":"Haim Goldberg, Luis A. Anchordoqui, Satoshi Nawata, Tomasz R. Taylor","cross_cats":["hep-ex","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2008-04-13T15:46:54Z","title":"Direct photons as probes of low mass strings at the LHC"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0804.2013","kind":"arxiv","version":4},"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:fa743b401ac7c2fc5b4ed719a7f9edb5c2714e592b111f13da6c8ac5f4db7534","target":"record","created_at":"2026-07-04T15:30:00Z","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":"bef32fcbe4c081d33a6be36b1f88e2c88ac1fe26cb02e67e8ed5a1196764c837","cross_cats_sorted":["hep-ex","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2008-04-13T15:46:54Z","title_canon_sha256":"ab6458447edf2e9b3217a8d3c1ba376bb8d2408770fcce92961fc9cbff081193"},"schema_version":"1.0","source":{"id":"0804.2013","kind":"arxiv","version":4}},"canonical_sha256":"d365dfc97084f8c4e0a585ff036fb3ecc64a50498e5addf1224e624dc4300e65","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d365dfc97084f8c4e0a585ff036fb3ecc64a50498e5addf1224e624dc4300e65","first_computed_at":"2026-07-04T15:30:00.632897Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:30:00.632897Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+oMwoFFZm0sAAgJB66BgpcBU5ftzNY7iEJ7mMTD/XaoFKnjsMlxGoDITc3LK1Y5GWsvqK7xkMEeRE9DtZWc3BQ==","signature_status":"signed_v1","signed_at":"2026-07-04T15:30:00.633299Z","signed_message":"canonical_sha256_bytes"},"source_id":"0804.2013","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fa743b401ac7c2fc5b4ed719a7f9edb5c2714e592b111f13da6c8ac5f4db7534","sha256:b244114583559d9bbe9552ab81efe69d5920f67920bd80cf2928a25babb19cf4"],"state_sha256":"5587a61bdd383f8e3b7e9ce87adde9c5f073737301123c9570037ebeed65879b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eFHBIBPzEozfcn9EJBnfHCM18r7foeq6J60iZLQEk4jkUnvGgJ9OUq3TRBzZLaMrXQvxM7pJuRptaQaawLFaCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T16:25:59.620143Z","bundle_sha256":"747679f34a64f8157d4faf5a9d49c887dffb5de110dd6acb0db05b9208d061e3"}}