{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:7TVW34H2TACY3RR6XSCRCQHRWI","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":"0ae51299d549e73e3b296ee1874888cfa11361c0fc2511137f1f6f1a05f25c34","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SE","submitted_at":"2026-07-28T12:16:46Z","title_canon_sha256":"680d8c2bddc629a609b08b8c372d574ac1e5c8aa2206b61bca98acaff3aebbee"},"schema_version":"1.0","source":{"id":"2607.25635","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.25635","created_at":"2026-07-29T01:25:54Z"},{"alias_kind":"arxiv_version","alias_value":"2607.25635v1","created_at":"2026-07-29T01:25:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.25635","created_at":"2026-07-29T01:25:54Z"},{"alias_kind":"pith_short_12","alias_value":"7TVW34H2TACY","created_at":"2026-07-29T01:25:54Z"},{"alias_kind":"pith_short_16","alias_value":"7TVW34H2TACY3RR6","created_at":"2026-07-29T01:25:54Z"},{"alias_kind":"pith_short_8","alias_value":"7TVW34H2","created_at":"2026-07-29T01:25:54Z"}],"graph_snapshots":[{"event_id":"sha256:447ac8f6bfd2816be2a19f8c0b86483272a5d1e33acc2f4228a02bd1dcda6433","target":"graph","created_at":"2026-07-29T01:25:54Z","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/2607.25635/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Model Context Protocol (MCP) standardizes how large language model applications communicate with external tools, but leaves the application side unspecified: unlike traditional dependencies resolved through package managers, developers integrating MCP servers face no conventions for configuration, communication, or human oversight. This ecosystem is also under-researched, with existing work focused on servers rather than the applications consuming them. We conduct a large-scale study of 1,723 MCPApps mined from GitHub. We first derive MCPAppTax from a representative sample, then use an LLM","authors_text":"May Mahmoud, Muhammad Hamza Arshad Majeed, Sarah Nadi","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SE","submitted_at":"2026-07-28T12:16:46Z","title":"An Empirical Study of Model Context Protocol Applications"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.25635","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":"sha256:284d04e9a87d21284201f04b229b02fe19bf72dd961474013ad68c77f527c797","target":"record","created_at":"2026-07-29T01:25:54Z","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":"0ae51299d549e73e3b296ee1874888cfa11361c0fc2511137f1f6f1a05f25c34","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SE","submitted_at":"2026-07-28T12:16:46Z","title_canon_sha256":"680d8c2bddc629a609b08b8c372d574ac1e5c8aa2206b61bca98acaff3aebbee"},"schema_version":"1.0","source":{"id":"2607.25635","kind":"arxiv","version":1}},"canonical_sha256":"fceb6df0fa98058dc63ebc851140f1b23a7ca5fd8c97719761221b8884bbfdc9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fceb6df0fa98058dc63ebc851140f1b23a7ca5fd8c97719761221b8884bbfdc9","first_computed_at":"2026-07-29T01:25:54.125231Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-29T01:25:54.125231Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bqs1f+ud5p4tS0OCSutJvP85yMPluPERRiUVCFUnX4t6ZGh9HKngzt5q8zGqlV6WuhSKPzZet4jEGE/uGCZ1BQ==","signature_status":"signed_v1","signed_at":"2026-07-29T01:25:54.126090Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.25635","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:284d04e9a87d21284201f04b229b02fe19bf72dd961474013ad68c77f527c797","sha256:447ac8f6bfd2816be2a19f8c0b86483272a5d1e33acc2f4228a02bd1dcda6433"],"state_sha256":"f7a379b567efb9de7a8ce2d9e83901c2e54e375c255b46febcf724dd5e3808d3"}