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The Specification Layer

One email a week from Kin Lane on the contracts underneath everything else: OpenAPI, Arazzo, Overlay, AsyncAPI, JSON Schema, GraphQL, Protobuf and gRPC, CloudEvents and OTLP, SPIFFE and OpenFeature, SPDX, OCI, in-toto, OSV, SLSA, TUF, Sigstore, FDC3 and CALM. Read straight off the specification repositories themselves — what merged, what shipped, and what did not move.

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Latest issue · August 2 – August 9, 2026

150 Changes Merged Into the Contracts Last Week, and 89 of Them Were Robots

First issue. I pointed a harvester at the thirty specification repositories that describe most of the world's APIs — OpenAPI, Arazzo, Overlay, AsyncAPI, JSON Schema, GraphQL, Protobuf, gRPC, CloudEvents, OTLP, SPIFFE, OpenFeature, SPDX, OCI, in-toto, OSV, SLSA, TUF, Notary, Sigstore, FDC3, CALM — and read what actually merged between August 2nd and 9th. The answer...

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