{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:NJKKTB6UV63XQJWFZVDKTJIKBA","short_pith_number":"pith:NJKKTB6U","canonical_record":{"source":{"id":"2010.13557","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2020-10-23T15:12:11Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"2fa73556e185e310db38be7a73fc0830b5e5859b07fec8f03bd12374fd3e8dfe","abstract_canon_sha256":"bc13e3914da5d024af92498efa05fc86cf66e9856ffbcef2f01a0303858b5249"},"schema_version":"1.0"},"canonical_sha256":"6a54a987d4afb77826c5cd46a9a50a081b7608a35c3410b38c8c2ab67913e92e","source":{"kind":"arxiv","id":"2010.13557","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2010.13557","created_at":"2026-07-05T01:46:07Z"},{"alias_kind":"arxiv_version","alias_value":"2010.13557v1","created_at":"2026-07-05T01:46:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2010.13557","created_at":"2026-07-05T01:46:07Z"},{"alias_kind":"pith_short_12","alias_value":"NJKKTB6UV63X","created_at":"2026-07-05T01:46:07Z"},{"alias_kind":"pith_short_16","alias_value":"NJKKTB6UV63XQJWF","created_at":"2026-07-05T01:46:07Z"},{"alias_kind":"pith_short_8","alias_value":"NJKKTB6U","created_at":"2026-07-05T01:46:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:NJKKTB6UV63XQJWFZVDKTJIKBA","target":"record","payload":{"canonical_record":{"source":{"id":"2010.13557","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2020-10-23T15:12:11Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"2fa73556e185e310db38be7a73fc0830b5e5859b07fec8f03bd12374fd3e8dfe","abstract_canon_sha256":"bc13e3914da5d024af92498efa05fc86cf66e9856ffbcef2f01a0303858b5249"},"schema_version":"1.0"},"canonical_sha256":"6a54a987d4afb77826c5cd46a9a50a081b7608a35c3410b38c8c2ab67913e92e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:46:07.448135Z","signature_b64":"KRHXEU73R+3VzFCpmUWGRuUFF5fnfbtC7kzfDk9LW+YpKjha2znlMd4ElstGr8ZoSeFZvjSQk8VmpvnUQoJlBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6a54a987d4afb77826c5cd46a9a50a081b7608a35c3410b38c8c2ab67913e92e","last_reissued_at":"2026-07-05T01:46:07.447668Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:46:07.447668Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2010.13557","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":"2026-07-05T01:46:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ERUwc66jeFY7QLAXnKAFwCmOq3KVxUpHmnu75VM+vGx7IGMOima4x+W//NMv6Cn+6kPDwZ3D6hiToB2tUbFkAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T05:10:41.247022Z"},"content_sha256":"8ce4b7aff68a6bbae399c483f7eca38d7b0f180194fd748dfdbe3865f8cfb336","schema_version":"1.0","event_id":"sha256:8ce4b7aff68a6bbae399c483f7eca38d7b0f180194fd748dfdbe3865f8cfb336"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:NJKKTB6UV63XQJWFZVDKTJIKBA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Tracking Triggers for the HL-LHC","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"physics.ins-det","authors_text":"Anders Ryd, Louise Skinnari","submitted_at":"2020-10-23T15:12:11Z","abstract_excerpt":"Hardware-based track reconstruction in the CMS and ATLAS trigger systems for the High-Luminosity LHC upgrade will provide unique capabilities. An overview is presented of earlier track trigger systems at hadron colliders, in particular for the Tevatron CDF and D0 experiments. We discuss the plans of the CMS and ATLAS experiments to implement hardware-based track reconstruction for the High-Luminosity LHC. Particular focus is placed on the track trigger capability of the upgraded CMS experiment. We discuss the challenges and opportunities of this novel handle, and review the alternatives that w"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2010.13557","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/2010.13557/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":"2026-07-05T01:46:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FYNmMxNvQ0nlHj1XfxANcHvIydZuQND1jyP1FCqi5zyhPOzStn4U/l2U7hkAy3UBGGGujk+6D9uJKWZ+8y/dDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T05:10:41.247566Z"},"content_sha256":"87e01f2abed0f8c928387a8ee24c8c73d48e2537670226b0179ccbbb6646bca4","schema_version":"1.0","event_id":"sha256:87e01f2abed0f8c928387a8ee24c8c73d48e2537670226b0179ccbbb6646bca4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NJKKTB6UV63XQJWFZVDKTJIKBA/bundle.json","state_url":"https://pith.science/pith/NJKKTB6UV63XQJWFZVDKTJIKBA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NJKKTB6UV63XQJWFZVDKTJIKBA/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":"2026-08-07T05:10:41Z","links":{"resolver":"https://pith.science/pith/NJKKTB6UV63XQJWFZVDKTJIKBA","bundle":"https://pith.science/pith/NJKKTB6UV63XQJWFZVDKTJIKBA/bundle.json","state":"https://pith.science/pith/NJKKTB6UV63XQJWFZVDKTJIKBA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NJKKTB6UV63XQJWFZVDKTJIKBA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:NJKKTB6UV63XQJWFZVDKTJIKBA","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":"bc13e3914da5d024af92498efa05fc86cf66e9856ffbcef2f01a0303858b5249","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2020-10-23T15:12:11Z","title_canon_sha256":"2fa73556e185e310db38be7a73fc0830b5e5859b07fec8f03bd12374fd3e8dfe"},"schema_version":"1.0","source":{"id":"2010.13557","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2010.13557","created_at":"2026-07-05T01:46:07Z"},{"alias_kind":"arxiv_version","alias_value":"2010.13557v1","created_at":"2026-07-05T01:46:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2010.13557","created_at":"2026-07-05T01:46:07Z"},{"alias_kind":"pith_short_12","alias_value":"NJKKTB6UV63X","created_at":"2026-07-05T01:46:07Z"},{"alias_kind":"pith_short_16","alias_value":"NJKKTB6UV63XQJWF","created_at":"2026-07-05T01:46:07Z"},{"alias_kind":"pith_short_8","alias_value":"NJKKTB6U","created_at":"2026-07-05T01:46:07Z"}],"graph_snapshots":[{"event_id":"sha256:87e01f2abed0f8c928387a8ee24c8c73d48e2537670226b0179ccbbb6646bca4","target":"graph","created_at":"2026-07-05T01:46:07Z","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/2010.13557/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Hardware-based track reconstruction in the CMS and ATLAS trigger systems for the High-Luminosity LHC upgrade will provide unique capabilities. An overview is presented of earlier track trigger systems at hadron colliders, in particular for the Tevatron CDF and D0 experiments. We discuss the plans of the CMS and ATLAS experiments to implement hardware-based track reconstruction for the High-Luminosity LHC. Particular focus is placed on the track trigger capability of the upgraded CMS experiment. We discuss the challenges and opportunities of this novel handle, and review the alternatives that w","authors_text":"Anders Ryd, Louise Skinnari","cross_cats":["hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2020-10-23T15:12:11Z","title":"Tracking Triggers for the HL-LHC"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2010.13557","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":"sha256:8ce4b7aff68a6bbae399c483f7eca38d7b0f180194fd748dfdbe3865f8cfb336","target":"record","created_at":"2026-07-05T01:46:07Z","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":"bc13e3914da5d024af92498efa05fc86cf66e9856ffbcef2f01a0303858b5249","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2020-10-23T15:12:11Z","title_canon_sha256":"2fa73556e185e310db38be7a73fc0830b5e5859b07fec8f03bd12374fd3e8dfe"},"schema_version":"1.0","source":{"id":"2010.13557","kind":"arxiv","version":1}},"canonical_sha256":"6a54a987d4afb77826c5cd46a9a50a081b7608a35c3410b38c8c2ab67913e92e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6a54a987d4afb77826c5cd46a9a50a081b7608a35c3410b38c8c2ab67913e92e","first_computed_at":"2026-07-05T01:46:07.447668Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:46:07.447668Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KRHXEU73R+3VzFCpmUWGRuUFF5fnfbtC7kzfDk9LW+YpKjha2znlMd4ElstGr8ZoSeFZvjSQk8VmpvnUQoJlBA==","signature_status":"signed_v1","signed_at":"2026-07-05T01:46:07.448135Z","signed_message":"canonical_sha256_bytes"},"source_id":"2010.13557","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8ce4b7aff68a6bbae399c483f7eca38d7b0f180194fd748dfdbe3865f8cfb336","sha256:87e01f2abed0f8c928387a8ee24c8c73d48e2537670226b0179ccbbb6646bca4"],"state_sha256":"4d3dff88fed3eaffee5b94012e5b6dbfc01ee50e794ab2431717b63dfd71d8e0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TFn5LDqRx3r88rGWE4ufH4VWz4rFvTbVi/iJuQEGr/007jSTMJtNLd/JOL9ElE2viusSCw5p4Q2Vx7PP7WVSBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T05:10:41.252800Z","bundle_sha256":"737d19aba3c6a4c4b5d70ba5f0519e2db0451a7fa035065600a27107a26eb6a2"}}