{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:XGUQHO5SOHMZXKOQ2P7K5KWZEB","short_pith_number":"pith:XGUQHO5S","canonical_record":{"source":{"id":"2607.13920","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.CL","submitted_at":"2026-07-15T14:59:29Z","cross_cats_sorted":[],"title_canon_sha256":"8427468ceb787096e02f22aada3273be211a108700cc040284e5620a11c89780","abstract_canon_sha256":"f012472e6e2ed509eb57198c5383643e33b745c148ca2cdd08cc39d4ffe969fd"},"schema_version":"1.0"},"canonical_sha256":"b9a903bbb271d99ba9d0d3feaeaad9204b239237dd92d7095fc0a4525c491dde","source":{"kind":"arxiv","id":"2607.13920","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.13920","created_at":"2026-07-16T01:23:13Z"},{"alias_kind":"arxiv_version","alias_value":"2607.13920v1","created_at":"2026-07-16T01:23:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.13920","created_at":"2026-07-16T01:23:13Z"},{"alias_kind":"pith_short_12","alias_value":"XGUQHO5SOHMZ","created_at":"2026-07-16T01:23:13Z"},{"alias_kind":"pith_short_16","alias_value":"XGUQHO5SOHMZXKOQ","created_at":"2026-07-16T01:23:13Z"},{"alias_kind":"pith_short_8","alias_value":"XGUQHO5S","created_at":"2026-07-16T01:23:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:XGUQHO5SOHMZXKOQ2P7K5KWZEB","target":"record","payload":{"canonical_record":{"source":{"id":"2607.13920","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.CL","submitted_at":"2026-07-15T14:59:29Z","cross_cats_sorted":[],"title_canon_sha256":"8427468ceb787096e02f22aada3273be211a108700cc040284e5620a11c89780","abstract_canon_sha256":"f012472e6e2ed509eb57198c5383643e33b745c148ca2cdd08cc39d4ffe969fd"},"schema_version":"1.0"},"canonical_sha256":"b9a903bbb271d99ba9d0d3feaeaad9204b239237dd92d7095fc0a4525c491dde","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-16T01:23:13.741572Z","signature_b64":"w8pTmjANFuyL+9PKfjYol2kHVHTiHv+urIk6O9g1mHTiQmoAwAfp5oArtWiL+WwUuDnxup1JPSUsVQPk5NIECA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b9a903bbb271d99ba9d0d3feaeaad9204b239237dd92d7095fc0a4525c491dde","last_reissued_at":"2026-07-16T01:23:13.740699Z","signature_status":"signed_v1","first_computed_at":"2026-07-16T01:23:13.740699Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.13920","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":"2026-07-16T01:23:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6lpCemLlENtzjXn5aqWEXdqS7bIJaNI85VDG3TmLlDnU13aWAdbSNxaw9/cNH8kp18CDt3alIlEaD44icQCMBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T15:19:30.873400Z"},"content_sha256":"67570cfd880c0d0998e1d784776f253a28ac283da6ed9d246e3d3fd5f016b216","schema_version":"1.0","event_id":"sha256:67570cfd880c0d0998e1d784776f253a28ac283da6ed9d246e3d3fd5f016b216"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:XGUQHO5SOHMZXKOQ2P7K5KWZEB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"DeepStress: Stress-Testing Deep Search Agents","license":"http://creativecommons.org/licenses/by-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CL","authors_text":"Frederic Bechet, Geraldine Damnati, Ismael Rousseau","submitted_at":"2026-07-15T14:59:29Z","abstract_excerpt":"While search agents demonstrate impressive capabilities in multi-step question answering, their robustness to poor-quality evidence remains under-explored. This phenomenon occurs rarely in realistic benchmarks but can lead to dramatic failure in real life applications. Therefore in this study we propose DeepStress, a stress testing framework that controls the frequency of challenging evidence by replacing the retrieval module of search agents with a controlled synthetic environment. We use this framework to control three dimensions that can affect document reliability: trustworthiness, relevan"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.13920","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/2607.13920/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":"2026-07-16T01:23:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JxlPZ44TXDhnacTGA0sZU3LANDJ8imu61xRDM1weUOxUdZ7l3/4rTAPeArya18zf53WzFsTRx355HHWbfSmMBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T15:19:30.873881Z"},"content_sha256":"5617ff98bbb5c418f8c09b1eb5daa535e5525761a21f86384967d099e60911dc","schema_version":"1.0","event_id":"sha256:5617ff98bbb5c418f8c09b1eb5daa535e5525761a21f86384967d099e60911dc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XGUQHO5SOHMZXKOQ2P7K5KWZEB/bundle.json","state_url":"https://pith.science/pith/XGUQHO5SOHMZXKOQ2P7K5KWZEB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XGUQHO5SOHMZXKOQ2P7K5KWZEB/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":"2026-08-05T15:19:30Z","links":{"resolver":"https://pith.science/pith/XGUQHO5SOHMZXKOQ2P7K5KWZEB","bundle":"https://pith.science/pith/XGUQHO5SOHMZXKOQ2P7K5KWZEB/bundle.json","state":"https://pith.science/pith/XGUQHO5SOHMZXKOQ2P7K5KWZEB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XGUQHO5SOHMZXKOQ2P7K5KWZEB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:XGUQHO5SOHMZXKOQ2P7K5KWZEB","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":"f012472e6e2ed509eb57198c5383643e33b745c148ca2cdd08cc39d4ffe969fd","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.CL","submitted_at":"2026-07-15T14:59:29Z","title_canon_sha256":"8427468ceb787096e02f22aada3273be211a108700cc040284e5620a11c89780"},"schema_version":"1.0","source":{"id":"2607.13920","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.13920","created_at":"2026-07-16T01:23:13Z"},{"alias_kind":"arxiv_version","alias_value":"2607.13920v1","created_at":"2026-07-16T01:23:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.13920","created_at":"2026-07-16T01:23:13Z"},{"alias_kind":"pith_short_12","alias_value":"XGUQHO5SOHMZ","created_at":"2026-07-16T01:23:13Z"},{"alias_kind":"pith_short_16","alias_value":"XGUQHO5SOHMZXKOQ","created_at":"2026-07-16T01:23:13Z"},{"alias_kind":"pith_short_8","alias_value":"XGUQHO5S","created_at":"2026-07-16T01:23:13Z"}],"graph_snapshots":[{"event_id":"sha256:5617ff98bbb5c418f8c09b1eb5daa535e5525761a21f86384967d099e60911dc","target":"graph","created_at":"2026-07-16T01:23:13Z","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/2607.13920/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"While search agents demonstrate impressive capabilities in multi-step question answering, their robustness to poor-quality evidence remains under-explored. This phenomenon occurs rarely in realistic benchmarks but can lead to dramatic failure in real life applications. Therefore in this study we propose DeepStress, a stress testing framework that controls the frequency of challenging evidence by replacing the retrieval module of search agents with a controlled synthetic environment. We use this framework to control three dimensions that can affect document reliability: trustworthiness, relevan","authors_text":"Frederic Bechet, Geraldine Damnati, Ismael Rousseau","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.CL","submitted_at":"2026-07-15T14:59:29Z","title":"DeepStress: Stress-Testing Deep Search Agents"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.13920","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":"sha256:67570cfd880c0d0998e1d784776f253a28ac283da6ed9d246e3d3fd5f016b216","target":"record","created_at":"2026-07-16T01:23:13Z","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":"f012472e6e2ed509eb57198c5383643e33b745c148ca2cdd08cc39d4ffe969fd","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.CL","submitted_at":"2026-07-15T14:59:29Z","title_canon_sha256":"8427468ceb787096e02f22aada3273be211a108700cc040284e5620a11c89780"},"schema_version":"1.0","source":{"id":"2607.13920","kind":"arxiv","version":1}},"canonical_sha256":"b9a903bbb271d99ba9d0d3feaeaad9204b239237dd92d7095fc0a4525c491dde","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b9a903bbb271d99ba9d0d3feaeaad9204b239237dd92d7095fc0a4525c491dde","first_computed_at":"2026-07-16T01:23:13.740699Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-16T01:23:13.740699Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"w8pTmjANFuyL+9PKfjYol2kHVHTiHv+urIk6O9g1mHTiQmoAwAfp5oArtWiL+WwUuDnxup1JPSUsVQPk5NIECA==","signature_status":"signed_v1","signed_at":"2026-07-16T01:23:13.741572Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.13920","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:67570cfd880c0d0998e1d784776f253a28ac283da6ed9d246e3d3fd5f016b216","sha256:5617ff98bbb5c418f8c09b1eb5daa535e5525761a21f86384967d099e60911dc"],"state_sha256":"c8c5d089bb9bf337189bfcddd4f8b09711228370ee962565cd3a61f1b0dc21a9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hsW6BwTHiak+tdsMRmmv8u5jdypQnekWWxPXyVjFXgIew6eU12CDcIq0SYSTC14OW5G5niKrPNZ8ntdNHfQ7Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T15:19:30.877600Z","bundle_sha256":"24754736f0755b42a072f71597f5ea8865bafa1556b7340f31da047fd126bf12"}}