Rubric test-0

Draft rubric

Each dimension is a ladder of rungs. A dimension's level is its highest rung whose criteria are all met; the headline is the highest level whose requirements are met.

SHA-256: 0xc7bbf04ec2fa7ed3b000ede9361bf54af606335ee037d397cefb8565eb96725f
JSON: /rubric/test-0.json

Discoverable: R1 ≥ 2
Transactable: R3 ≥ 2
Agreeable: R4 ≥ 2, R5 ≥ 2
Provable: R6 ≥ 3

Discoverable

Can an agent find and read what is sold?

R1.2

Rung 2

Does the home page answer an agent with content?

The home page is the target origin's `/`, at the end of its redirects.

Pass: The home page answers 200 and is not a refusal.
Evidence: the home page's response chain
Probe: home (anon, signed)
Remedy: Serve the home page to agents that say what they are.

R1.3

Rung 3

Can an agent read the catalogue?

A catalogue item has a title and a price.

Pass: A platform catalogue endpoint or the UCP catalogue search returns at least one item with a title and a price.
Evidence: the catalogue responses; the search call
Probe: catalogue, ucp.handshake (anon, ucp)
Remedy: Serve a catalogue through UCP, or leave the platform's catalogue endpoint open.

Admits agents

Does the site let an honest agent in?

R3.2

Rung 2

Does the site admit an honest anonymous agent?

A refusal is a response the refusal classifier puts in a refusing class.

Pass: The home page's final response is not a refusal.
Evidence: the home page's response chain
Probe: home (anon, signed)
Remedy: Admit declared agents, rate-limited, rather than refusing them.

Terms

Can an agent know what it is agreeing to?

R4.2

Rung 2

Can an agent read the terms?

A terms candidate is a document the terms step fetched.

Pass: A candidate answers 200, is not a refusal, has at least `termsMinWords` words and names the terms in its opening.
Evidence: the candidates' responses; robots.txt when it disallows them
Probe: terms (anon)
Standards: LCP §2.3
Remedy: Serve the terms in the page as delivered.

R4.3

Rung 3Judgement

Does the terms document say which version it is?

A version is a version number, an edition or a revision identifier.

Pass: The gate meets it when the text matches the version pattern; otherwise the model is asked whether the document states a version in another form.
Evidence: the candidate's response; the stored judgement
Probe: terms (anon)
Standards: LCP §12.3
Remedy: Give each version of the terms an identifier.

Legal context

Does the seller publish an LCP legal context?

R5.2

Rung 2

Does the site publish a legal context?

The legal context is `/.well-known/legal-context.json`, read by `@integraledger/lcp/discovery`'s `parse`.

Pass: The document answers 200, is not a refusal, and `parse` accepts it.
Evidence: the response
Probe: wellknown (anon)
Standards: LCP §2
Remedy: Publish the document.

R5.3

Rung 3

Do the named terms match the pinned hash?

`atrHash` is the digest of the document at `terms`.

Pass: The terms document the legal context names answers 200 and its body hash equals `atrHash`.
Evidence: the legal context; the terms response
Probe: wellknown, terms (anon)
Standards: LCP §2.5
Remedy: Publish `atrHash` and serve the terms byte for byte.

Provable agreement

Is each transaction bound to a record a stranger can check?

R6.3

Rung 3

Is the agreement offered provably?

A challenge carries H and a link L as a pairing places them.

Pass: A captured challenge carries H and L, and every fetch of L returns bytes whose hash is H.
Evidence: the challenge; the ATR responses
Probe: home, payment, atr (anon)
Standards: LCP §5.3
Remedy: Advertise the ATR's hash and serve the ATR at its link.

R6.4

Rung 4

Is the agreement proven on a public ledger?

A settled payment's settlement read returns H.

Pass: Needs a consented nominal transaction; without one it is not tested.
Evidence: the settlement read
Probe: settle (anon, lens)
Standards: LCP §8.3
Remedy: Settle on a rail where the hash rides on chain.

Seller identity

Can a buyer's agent verify who the seller is?

R7.2

Rung 2

Does the site publish an organisational identity?

An Organization in JSON-LD with a legal identifier.

Pass: Not defined in test-0.
Evidence: the home page
Probe: home (anon)
Remedy: Publish an Organization.