{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:SM7XCKNNPDCCQLRBBBPNRUSEC6","short_pith_number":"pith:SM7XCKNN","canonical_record":{"source":{"id":"2606.12087","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2026-06-10T13:49:11Z","cross_cats_sorted":[],"title_canon_sha256":"1c25a26e341650f308fd9da05c63f55182a74892f61fa9a41ffb5e14b1595f0a","abstract_canon_sha256":"2c3e266f73584d05eaa5e19f6c8277198fe3a666774f0a558fd7fa403605ec57"},"schema_version":"1.0"},"canonical_sha256":"933f7129ad78c4282e21085ed8d244178a09e1582157f4b7a7544827bbee40c7","source":{"kind":"arxiv","id":"2606.12087","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.12087","created_at":"2026-06-11T01:10:47Z"},{"alias_kind":"arxiv_version","alias_value":"2606.12087v1","created_at":"2026-06-11T01:10:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.12087","created_at":"2026-06-11T01:10:47Z"},{"alias_kind":"pith_short_12","alias_value":"SM7XCKNNPDCC","created_at":"2026-06-11T01:10:47Z"},{"alias_kind":"pith_short_16","alias_value":"SM7XCKNNPDCCQLRB","created_at":"2026-06-11T01:10:47Z"},{"alias_kind":"pith_short_8","alias_value":"SM7XCKNN","created_at":"2026-06-11T01:10:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:SM7XCKNNPDCCQLRBBBPNRUSEC6","target":"record","payload":{"canonical_record":{"source":{"id":"2606.12087","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2026-06-10T13:49:11Z","cross_cats_sorted":[],"title_canon_sha256":"1c25a26e341650f308fd9da05c63f55182a74892f61fa9a41ffb5e14b1595f0a","abstract_canon_sha256":"2c3e266f73584d05eaa5e19f6c8277198fe3a666774f0a558fd7fa403605ec57"},"schema_version":"1.0"},"canonical_sha256":"933f7129ad78c4282e21085ed8d244178a09e1582157f4b7a7544827bbee40c7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-11T01:10:47.568142Z","signature_b64":"FUtercxYbqZKivAmEF96D6pGjWnS6TwiV0s9RqFEp8gEx7VpW3YyZaoM1FbaEw7wnwNo0h+4/1Ev/lkZP5e6BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"933f7129ad78c4282e21085ed8d244178a09e1582157f4b7a7544827bbee40c7","last_reissued_at":"2026-06-11T01:10:47.567426Z","signature_status":"signed_v1","first_computed_at":"2026-06-11T01:10:47.567426Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.12087","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":"2026-06-11T01:10:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rwDnpVXjhrebVlWEzxNYTN3Xseotxy6KQC28cUw3TJ/zIuCm2Wg6IMNfj9o9kONV/dKDDeUaYhB8LgV2XpIFAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T10:26:47.523553Z"},"content_sha256":"c93eb29a3708cd0154828411f8510ba4f51a7abb192c6f4a32740c21245567d2","schema_version":"1.0","event_id":"sha256:c93eb29a3708cd0154828411f8510ba4f51a7abb192c6f4a32740c21245567d2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:SM7XCKNNPDCCQLRBBBPNRUSEC6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"FORT-Searcher: Synthesizing Shortcut-Resistant Search Tasks for Training Deep Search Agents","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CL","authors_text":"Bryan Dai, Chuan Hao, Feng Chang, Jia Deng, Ji-Rong Wen, Ran Tao, Shuo Tang, Wayne Xin Zhao, Xiaoqing Xiang, Yimeng Chen, Yuan Wei, Ziyang Zeng","submitted_at":"2026-06-10T13:49:11Z","abstract_excerpt":"Training deep search agents requires verifiable questions whose answers remain unavailable until sufficient evidence has been acquired through search. Existing synthesis methods often increase apparent difficulty by enriching graph structures, but structural complexity alone does not guarantee realized search difficulty: the intended search process can collapse through a cheaper identifying route. We formalize this gap with a shortcut-aware difficulty framework and identify four actionable shortcut risks: evidence co-coverage, single-clue selectivity, exposed constants, and prior-knowledge bin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.12087","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/2606.12087/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":"2026-06-11T01:10:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fIO++mIB05GXx7gnyHgoN00NDTRrLoayEmqDH2gJyR9TneUdpQ5uDDwLiGR0SwbBSi5cqw5Z18whRUWUSwNHCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T10:26:47.523934Z"},"content_sha256":"df25639f9363db84e688c5390bbbe0aae48f512d14fe15674de8269a8b7a4092","schema_version":"1.0","event_id":"sha256:df25639f9363db84e688c5390bbbe0aae48f512d14fe15674de8269a8b7a4092"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SM7XCKNNPDCCQLRBBBPNRUSEC6/bundle.json","state_url":"https://pith.science/pith/SM7XCKNNPDCCQLRBBBPNRUSEC6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SM7XCKNNPDCCQLRBBBPNRUSEC6/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":"2026-06-12T10:26:47Z","links":{"resolver":"https://pith.science/pith/SM7XCKNNPDCCQLRBBBPNRUSEC6","bundle":"https://pith.science/pith/SM7XCKNNPDCCQLRBBBPNRUSEC6/bundle.json","state":"https://pith.science/pith/SM7XCKNNPDCCQLRBBBPNRUSEC6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SM7XCKNNPDCCQLRBBBPNRUSEC6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:SM7XCKNNPDCCQLRBBBPNRUSEC6","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":"2c3e266f73584d05eaa5e19f6c8277198fe3a666774f0a558fd7fa403605ec57","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2026-06-10T13:49:11Z","title_canon_sha256":"1c25a26e341650f308fd9da05c63f55182a74892f61fa9a41ffb5e14b1595f0a"},"schema_version":"1.0","source":{"id":"2606.12087","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.12087","created_at":"2026-06-11T01:10:47Z"},{"alias_kind":"arxiv_version","alias_value":"2606.12087v1","created_at":"2026-06-11T01:10:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.12087","created_at":"2026-06-11T01:10:47Z"},{"alias_kind":"pith_short_12","alias_value":"SM7XCKNNPDCC","created_at":"2026-06-11T01:10:47Z"},{"alias_kind":"pith_short_16","alias_value":"SM7XCKNNPDCCQLRB","created_at":"2026-06-11T01:10:47Z"},{"alias_kind":"pith_short_8","alias_value":"SM7XCKNN","created_at":"2026-06-11T01:10:47Z"}],"graph_snapshots":[{"event_id":"sha256:df25639f9363db84e688c5390bbbe0aae48f512d14fe15674de8269a8b7a4092","target":"graph","created_at":"2026-06-11T01:10:47Z","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/2606.12087/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Training deep search agents requires verifiable questions whose answers remain unavailable until sufficient evidence has been acquired through search. Existing synthesis methods often increase apparent difficulty by enriching graph structures, but structural complexity alone does not guarantee realized search difficulty: the intended search process can collapse through a cheaper identifying route. We formalize this gap with a shortcut-aware difficulty framework and identify four actionable shortcut risks: evidence co-coverage, single-clue selectivity, exposed constants, and prior-knowledge bin","authors_text":"Bryan Dai, Chuan Hao, Feng Chang, Jia Deng, Ji-Rong Wen, Ran Tao, Shuo Tang, Wayne Xin Zhao, Xiaoqing Xiang, Yimeng Chen, Yuan Wei, Ziyang Zeng","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2026-06-10T13:49:11Z","title":"FORT-Searcher: Synthesizing Shortcut-Resistant Search Tasks for Training Deep Search Agents"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.12087","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:c93eb29a3708cd0154828411f8510ba4f51a7abb192c6f4a32740c21245567d2","target":"record","created_at":"2026-06-11T01:10:47Z","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":"2c3e266f73584d05eaa5e19f6c8277198fe3a666774f0a558fd7fa403605ec57","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2026-06-10T13:49:11Z","title_canon_sha256":"1c25a26e341650f308fd9da05c63f55182a74892f61fa9a41ffb5e14b1595f0a"},"schema_version":"1.0","source":{"id":"2606.12087","kind":"arxiv","version":1}},"canonical_sha256":"933f7129ad78c4282e21085ed8d244178a09e1582157f4b7a7544827bbee40c7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"933f7129ad78c4282e21085ed8d244178a09e1582157f4b7a7544827bbee40c7","first_computed_at":"2026-06-11T01:10:47.567426Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-11T01:10:47.567426Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FUtercxYbqZKivAmEF96D6pGjWnS6TwiV0s9RqFEp8gEx7VpW3YyZaoM1FbaEw7wnwNo0h+4/1Ev/lkZP5e6BQ==","signature_status":"signed_v1","signed_at":"2026-06-11T01:10:47.568142Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.12087","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c93eb29a3708cd0154828411f8510ba4f51a7abb192c6f4a32740c21245567d2","sha256:df25639f9363db84e688c5390bbbe0aae48f512d14fe15674de8269a8b7a4092"],"state_sha256":"845a201894079f11c4ff8a67f3a810c2f5801bad18f2bbffb836e6cc935f25ef"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SycMXAL8vwKLp70Loc33OLRAFu9O82IFfS0XrtcYuQIIGIpIIITimlGwPFiCZMhWnPvzQHIQdGGGnLYJH5MtDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-12T10:26:47.526223Z","bundle_sha256":"82ae7a1cfbdde8bcd060ba8f812916b5d3bc4ddc2d43e011914c740a85e52c1e"}}