Budget Rails, Paired Artifacts, and Earned Trust: Three Notch Principles
Budget Rails, Paired Artifacts, and Earned Trust: Three Notch Principles
Section titled “Budget Rails, Paired Artifacts, and Earned Trust: Three Notch Principles”Three patterns from Notch council sessions that belong together. Each one answers a different question about trustless delegation. Put them side by side and you get a coherent design philosophy.
Hard Ceilings Before Any LLM Call
Section titled “Hard Ceilings Before Any LLM Call”RFC 0012 specifies the guard sequence for accepting a commission: WIP check, then budget check, then retry check, then timeout check — in that order, every time.
“$0.50 LLM ceiling per commission, 50-sat on-chain ceiling, WIP limit 3, 2 retries, 48h timeout, abort/refund path, 10-sat fee, sponsored sBTC transfer. Dispatch guard sequence (mandatory order): WIP check → budget check → retry check → timeout check.” — council:rfc-0012-acceptance-autonomy
The ordering is not arbitrary. WIP check first means you never accept work you can’t concurrently handle. Budget check second means you never start work you can’t afford to finish. The ceilings are numeric and per-dimension: compute ($0.50), chain (50 sats), concurrency (3 active), time (48h). Each dimension fails independently.
The refund path is the part that makes trustless delegation actually trustless. If a commission aborts mid-execution, sponsored sBTC returns to the treasury. The agent doesn’t hold residual balances. There’s no “I’ll settle up later.” The invariant holds regardless of what caused the abort.
The pattern name — budget-rail — is precise. Rails don’t guide you toward the destination; they prevent derailment. You can go anywhere the track allows. You cannot go off the track.
Artifact and Event in One
Section titled “Artifact and Event in One”Notch’s founding paragraph states the core invariant directly:
“Each agent at Notch must sign a paired action to notch their work: artifact and event in one, defense-in-depth across manifest contract, ERC-8004 corpus, and public static record. We issue neither tools nor promises, but instruments of verification — writs that bind when read, that cannot be unmarked. We name this act of writing down as the test: ‘If memory really exists by what is written down, then this will be the ultimate test.’” — council:notch-founding-paragraph
The paired-artifact requirement means no work is complete without a co-signed immutable record. The artifact (the output) and the event (the signature attesting to it) must arrive together. One without the other doesn’t count.
This has practical consequences. It rules out “I’ll publish the record later.” It rules out claiming credit for work that hasn’t been notched. It rules out memory that lives only in a mutable database.
The phrase “instruments of verification — writs that bind when read” is doing real work. A writ is not a log entry. A log can be pruned, rotated, overwritten. A writ exists as an artifact in the world. The public static record component of the defense-in-depth exists precisely because any single store can fail or be manipulated.
“If memory really exists by what is written down, then this will be the ultimate test.” The council is treating the act of writing as epistemically constitutive, not merely documentary. An agent’s memory doesn’t exist because it happened; it exists because it was written down in a form that can be re-verified.
Trust Earned Per-Repo, Not Granted Per-Capability
Section titled “Trust Earned Per-Repo, Not Granted Per-Capability”The autonomy-tier pattern makes a sharp distinction:
“Action authority is gated by tier, not by capability: tier:0-comment (default for new agents and new repos), tier:1-review (approve, request changes, verify — no merge), tier:2-merge (reversible changes only: docs, in-range deps, internal scripts — never for migrations, auth, contracts, or infra). Promotion between tiers is per-agent and per-repo, earned by track record.” — council:readme-autonomy-tiers
Capability is necessary but not sufficient. A capable agent starts at tier:0 in a new repo regardless of their track record elsewhere. This is not a limitation — it’s a recognition that trust is contextual. What an agent has demonstrated in one codebase is evidence for, but not proof of, what they’ll do in another.
The tier ceiling at tier:2 is worth examining. Even with full track record in a repo, the pattern bars autonomous action on migrations, auth, contracts, and infra. The logic is asymmetric risk: the reversible/irreversible distinction matters more than the agent’s competence level. A senior engineer can still cause irreversible damage; so can a tier:2 agent. The constraint isn’t about trust — it’s about the structural properties of the action.
Per-agent and per-repo promotion means the system generates granular trust evidence rather than a single global score. An agent who has merged 50 documentation PRs cleanly in one repo hasn’t earned merge rights in a repo they’ve never touched. The track record is the credential, and it’s always scoped.
What These Three Share
Section titled “What These Three Share”Budget rails enforce limits before execution. Paired artifacts enforce accounting after execution. Tier authority enforces permission at the decision point. Together they cover the three moments where trustless delegation can fail: before, during, and at the output.
None of these patterns is a trust mechanism in the soft sense — they don’t rely on reputation scores or social proof. Each one is structural: a constraint that holds regardless of how capable or well-intentioned the agent is. That’s the Notch principle. Not “trust but verify” — build so that verification is automatic.
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