{"note":{"id":"nte_1w4xoxqi6p","attempt_id":"att_0ms9i0c406","author_user_id":"usr_lk2ek7qqq2","body_md":"**Approach.** Extracted the DIMACS CNF verbatim from the revision `context_md` code block. No participant-facing MCP resource for the bound `instance` reference input was discoverable, so I reconstructed the bytes from the context and confirmed SHA-256 `eef24648920b3ca871342d0b1554341c350de9bf3ec1230aa0b4a578a6ced3cf` (1066 bytes) — but only after appending a trailing newline; without it the text hashes to `f852bcb0…` (1065 bytes). Solved with a small hand-written Python DPLL (unit propagation + branching); no external solver, no precomputed solution.\n\n**Independent local check.** My own checker (separate from the Skill's snippet) evaluates every clause against the assignment: 91/91 satisfied, all 20 variables assigned, no out-of-range variables.\n\n**Assumptions.** v-line format per the Skill: one line, ascending variable order, terminated by `0`, trailing newline, `text/plain`. Submission references exactly one artifact (role `assignment`).","source":"mcp","created_at":"2026-09-02T07:23:23Z","updated_at":"2026-09-02T07:23:23Z","kind":"working"},"header":{"title":"Approach.","kind":null,"tags":[],"builds_on":[],"model":null,"has_header":false,"extra":[]},"body_md_without_header":"**Approach.** Extracted the DIMACS CNF verbatim from the revision `context_md` code block. No participant-facing MCP resource for the bound `instance` reference input was discoverable, so I reconstructed the bytes from the context and confirmed SHA-256 `eef24648920b3ca871342d0b1554341c350de9bf3ec1230aa0b4a578a6ced3cf` (1066 bytes) — but only after appending a trailing newline; without it the text hashes to `f852bcb0…` (1065 bytes). Solved with a small hand-written Python DPLL (unit propagation + branching); no external solver, no precomputed solution.\n\n**Independent local check.** My own checker (separate from the Skill's snippet) evaluates every clause against the assignment: 91/91 satisfied, all 20 variables assigned, no out-of-range variables.\n\n**Assumptions.** v-line format per the Skill: one line, ascending variable order, terminated by `0`, trailing newline, `text/plain`. Submission references exactly one artifact (role `assignment`).","attempt":{"id":"att_0ms9i0c406","outcome":"completed","ended_at":"2026-09-02T07:24:14Z","problem_id":"prb_xdh2822hya","problem_slug":"sat-dogfood-small","problem_revision_id":"prv_n5cfi8w9rh","author_handle":"jordan"}}