{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:3CA4LPB3DNENFXH2UDPYKEPMDV","short_pith_number":"pith:3CA4LPB3","canonical_record":{"source":{"id":"1303.3187","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2013-03-13T15:22:44Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"3faf41d9b1ea58aa8e59480a07e53e5cf324ff05f4050ddd434b99536d1c71e9","abstract_canon_sha256":"d111bc7f845b30c0b8effdc8d289f4507fad910b904776f46f73b188d8316983"},"schema_version":"1.0"},"canonical_sha256":"d881c5bc3b1b48d2dcfaa0df8511ec1d6cc04fb04281f84fa90941c7c7041bab","source":{"kind":"arxiv","id":"1303.3187","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.3187","created_at":"2026-05-18T03:05:35Z"},{"alias_kind":"arxiv_version","alias_value":"1303.3187v2","created_at":"2026-05-18T03:05:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.3187","created_at":"2026-05-18T03:05:35Z"},{"alias_kind":"pith_short_12","alias_value":"3CA4LPB3DNEN","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_16","alias_value":"3CA4LPB3DNENFXH2","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_8","alias_value":"3CA4LPB3","created_at":"2026-05-18T12:27:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:3CA4LPB3DNENFXH2UDPYKEPMDV","target":"record","payload":{"canonical_record":{"source":{"id":"1303.3187","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2013-03-13T15:22:44Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"3faf41d9b1ea58aa8e59480a07e53e5cf324ff05f4050ddd434b99536d1c71e9","abstract_canon_sha256":"d111bc7f845b30c0b8effdc8d289f4507fad910b904776f46f73b188d8316983"},"schema_version":"1.0"},"canonical_sha256":"d881c5bc3b1b48d2dcfaa0df8511ec1d6cc04fb04281f84fa90941c7c7041bab","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:05:35.665606Z","signature_b64":"UYqi392RO1lczwq4KiJt71peKCUc2B0yl0YNKu0rbSiGO3Eh67ukSsgOVRJ//Yld4Nxkb39UwuN50/sg0s44Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d881c5bc3b1b48d2dcfaa0df8511ec1d6cc04fb04281f84fa90941c7c7041bab","last_reissued_at":"2026-05-18T03:05:35.665119Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:05:35.665119Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1303.3187","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":"2026-05-18T03:05:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X7Hrc/8Dah7TP7rjSWqbIShkXHUE9dMoSqbdOn50SUr1Nu0VyLKjOJPPZClvy1rDbU9c9CoymR73Vdq4R0IKBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T04:18:05.670230Z"},"content_sha256":"f8215891e9f7e9cbfa04d618961fcb7b6014a16b524f21d784d78d2ef5ab53d4","schema_version":"1.0","event_id":"sha256:f8215891e9f7e9cbfa04d618961fcb7b6014a16b524f21d784d78d2ef5ab53d4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:3CA4LPB3DNENFXH2UDPYKEPMDV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Forward tracking at the next \\boldmath{$e^+e^-$} collider Part II: experimental challenges and detector design","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"physics.ins-det","authors_text":"Alberto Ruiz-Jimeno, Andre Sailer, Dominik Dannheim, F. Gaede, Ivan Vila, Jordi Duarte, Manfred Valentan, Mar\\c{c}a Boronat, Marcel Vos, Steve Aplin","submitted_at":"2013-03-13T15:22:44Z","abstract_excerpt":"We present the second in a series of studies into the forward tracking system for a future linear $ e^+ e^- $ collider with a center-of-mass energy in the range from 250 GeV to 3 TeV. In this note a number of specific challenges are investigated, that have caused a degradation of the tracking and vertexing performance in the forward region in previous experiments. We perform a quantitative analysis of the dependence of the tracking performance on detector design parameters and identify several ways to mitigate the performance loss for charged particles emitted at shallow angle."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.3187","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":"2026-05-18T03:05:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XykjLYMswd72IozAu/uOiJWx7gdn3v0BuRhQkuGVt2W3uiaIevujuNEAljL3mbWYG+K2QMEWVJLsDHC2iKkKDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T04:18:05.670954Z"},"content_sha256":"34469f502493da3aea03234021e5912005a712f29ec352fa0c6696f1b721fa52","schema_version":"1.0","event_id":"sha256:34469f502493da3aea03234021e5912005a712f29ec352fa0c6696f1b721fa52"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3CA4LPB3DNENFXH2UDPYKEPMDV/bundle.json","state_url":"https://pith.science/pith/3CA4LPB3DNENFXH2UDPYKEPMDV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3CA4LPB3DNENFXH2UDPYKEPMDV/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":"2026-05-24T04:18:05Z","links":{"resolver":"https://pith.science/pith/3CA4LPB3DNENFXH2UDPYKEPMDV","bundle":"https://pith.science/pith/3CA4LPB3DNENFXH2UDPYKEPMDV/bundle.json","state":"https://pith.science/pith/3CA4LPB3DNENFXH2UDPYKEPMDV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3CA4LPB3DNENFXH2UDPYKEPMDV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:3CA4LPB3DNENFXH2UDPYKEPMDV","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":"d111bc7f845b30c0b8effdc8d289f4507fad910b904776f46f73b188d8316983","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2013-03-13T15:22:44Z","title_canon_sha256":"3faf41d9b1ea58aa8e59480a07e53e5cf324ff05f4050ddd434b99536d1c71e9"},"schema_version":"1.0","source":{"id":"1303.3187","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.3187","created_at":"2026-05-18T03:05:35Z"},{"alias_kind":"arxiv_version","alias_value":"1303.3187v2","created_at":"2026-05-18T03:05:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.3187","created_at":"2026-05-18T03:05:35Z"},{"alias_kind":"pith_short_12","alias_value":"3CA4LPB3DNEN","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_16","alias_value":"3CA4LPB3DNENFXH2","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_8","alias_value":"3CA4LPB3","created_at":"2026-05-18T12:27:32Z"}],"graph_snapshots":[{"event_id":"sha256:34469f502493da3aea03234021e5912005a712f29ec352fa0c6696f1b721fa52","target":"graph","created_at":"2026-05-18T03:05:35Z","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 present the second in a series of studies into the forward tracking system for a future linear $ e^+ e^- $ collider with a center-of-mass energy in the range from 250 GeV to 3 TeV. In this note a number of specific challenges are investigated, that have caused a degradation of the tracking and vertexing performance in the forward region in previous experiments. We perform a quantitative analysis of the dependence of the tracking performance on detector design parameters and identify several ways to mitigate the performance loss for charged particles emitted at shallow angle.","authors_text":"Alberto Ruiz-Jimeno, Andre Sailer, Dominik Dannheim, F. Gaede, Ivan Vila, Jordi Duarte, Manfred Valentan, Mar\\c{c}a Boronat, Marcel Vos, Steve Aplin","cross_cats":["hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2013-03-13T15:22:44Z","title":"Forward tracking at the next \\boldmath{$e^+e^-$} collider Part II: experimental challenges and detector design"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.3187","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:f8215891e9f7e9cbfa04d618961fcb7b6014a16b524f21d784d78d2ef5ab53d4","target":"record","created_at":"2026-05-18T03:05:35Z","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":"d111bc7f845b30c0b8effdc8d289f4507fad910b904776f46f73b188d8316983","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2013-03-13T15:22:44Z","title_canon_sha256":"3faf41d9b1ea58aa8e59480a07e53e5cf324ff05f4050ddd434b99536d1c71e9"},"schema_version":"1.0","source":{"id":"1303.3187","kind":"arxiv","version":2}},"canonical_sha256":"d881c5bc3b1b48d2dcfaa0df8511ec1d6cc04fb04281f84fa90941c7c7041bab","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d881c5bc3b1b48d2dcfaa0df8511ec1d6cc04fb04281f84fa90941c7c7041bab","first_computed_at":"2026-05-18T03:05:35.665119Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:05:35.665119Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UYqi392RO1lczwq4KiJt71peKCUc2B0yl0YNKu0rbSiGO3Eh67ukSsgOVRJ//Yld4Nxkb39UwuN50/sg0s44Dw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:05:35.665606Z","signed_message":"canonical_sha256_bytes"},"source_id":"1303.3187","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f8215891e9f7e9cbfa04d618961fcb7b6014a16b524f21d784d78d2ef5ab53d4","sha256:34469f502493da3aea03234021e5912005a712f29ec352fa0c6696f1b721fa52"],"state_sha256":"eee4aaff7ea12afff783f1d86d8ac8a372df2054399b801e04bc308a3d3ad43a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"t2tAbt88eneOP/bTN4VCWmNdr2S+H91AFggsk/UoeeNcPPaiuhkS7vNSWs+IrLgmXyuHcS2EU5tWGs2u73cqDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T04:18:05.674553Z","bundle_sha256":"c0fe93fb2349be6b2da162f7bca5851f724872e815eec380981dd7ad8fd9789b"}}