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Claim ยท cairn_atproto 0.3.0
cairn_atproto^18 Record keys strictly increase
An invariant of cairn_atproto 0.3.0.
- Id
cairn_atproto^18- Kind
- invariant
- Reads as
- proved
- Version
- 0.3.0
What it says
The record keys (TIDs) a session mints strictly increase, as numbers and so as text, and so are distinct, whatever the clock reads: when it stands still or steps back, the next key is one microsecond past the last. All carry the session's clock id.
Evidence
| proved | init | CairnAtproto.ActClaims.keysIncrease.init |
| proved | step | CairnAtproto.ActClaims.keysIncrease.step |
| proved | receive | CairnAtproto.ActClaims.keysIncrease.receive |
| proved | reachable | CairnAtproto.ActClaims.keysIncrease.reachable |
| proved | reachableAll | CairnAtproto.ActClaims.keysIncrease.reachableAll |
| fuzzed | Not shown yet: the claim-driven fuzzer held it in every random sequence (docs/fuzz.md). A CI step will publish it (#95). | |
| tested | Not shown yet: the running app matched the model at every step that exercised it (docs/conformance.md). A CI step will publish it (#95). | |
Where it's defined
- Declaration
CairnAtproto.ActClaims.keysIncrease- Module
CairnAtproto.ActClaims- Source
lean/CairnAtproto/ActClaims.lean:89atv0.3.0- Machine
CairnAtproto.ActClaims.machine- Statement
CairnAtproto.ActClaims.keysIncrease.holds- Statement hash
a23e4cdb13d1c01d
Ledger
cairn_atproto^18 is active in this version's claims.lock, statement a23e4cdb13d1c01d. An id never moves or changes meaning.