







DRISL is a serialization format that is deterministic (so that the same data will have the same CID) and that features native support for using CIDs as links. It is based on CBOR, using a narrow profile of CBOR's "Core" featureset called "[[cborc-42]]", specified formally in this IETF document.
DASL — Data-Addressed Structures & Links
A small set of simple, standard primitives to work on content-addressed data.

DASL — Data-Addressed Structures & Links
A small set of simple, standard primitives to work on content-addressed data.

DASL: MASL — Metadata for Arbitrary Structures & Links
MASL is a CBOR-based metadata system that is designed to work well with content-addressed and decentralised systems, to enable fully self-contained, self-certified content distribution.

DASL: RASL — Retrieval of Arbitrary Structures & Links
RASL is a URL scheme used to identify content-addressed DASL resources along with a simple HTTP-based retrieval method.

DASL: Content-Addressable aRchives (CAR)
The CAR format offers a serialized representation of set of content-addressed resources in one single concatenated stream, alongside a header that describes that content.

DASL: MUXL — Media Uniform eXact Layout
MUXL is a deterministic and highly-restrictive subset of ISO-BMFF, enabling stable content-addressed identifiers for video and audio. It's like DRISL for MP4 files!

@dasl/weasl - npmx
Warehouse that's Extensible for Arbitrary Structures & Links (WEASL) — @dasl/weasl — DASL store

Concise Binary Object Representation (CBOR)
The Concise Binary Object Representation (CBOR) is a data format whose design goals include the possibility of extremely small code size, fairly small message size, and extensibility without the need for version negotiation. These design goals make it different from earlier binary serializations such as ASN.1 and MessagePack. This document obsoletes RFC 7049, providing editorial improvements, new details, and errata fixes while keeping full compatibility with the interchange format of RFC 7049. It does not create a new version of the format.

CBOR — Concise Binary Object Representation | Specification
CBOR is specified in an Internet Standard RFC. RFCs that serve as Internet Standards are generated by the IETF based on an extensive technical review and quality control process. These are meant to last.
DASL: Tiles Protocol: Data Passing
Passsing data to and from tiles is key to integrating tiles in arbitrary environments. This protocol specifies precisely that.

veritiles v0.3 is out 🚀 The proof format is now DASL + AT Protocol compatible from the ground up, using raw/dag-CBOR CIDs, DRISL descriptors and MASL bundles. github.com/guillaumemichel/veritiles @dasl.ing @atproto.com
GitHub - guillaumemichel/veritiles: Verified map tiles: fetch PMTiles byte ranges from any untrusted HTTP host and cryptographically verify every byte against a content identifier before your map renders it. Zero dependencies; drop-in pmtiles Source for MapLibre GL, Leaflet, and OpenLayers.
github.com