Hash Chain implementation using Blake2b
Mudra — hash-chain sealed zero-knowledge virtual machine
AgentPassport wire-format protocol — Zod schemas, error codes, audit hash-chain, spec.
AgentAuth protocol — Zod schemas, types, error codes, audit hash-chain.
Standalone audit chain verifier for Undisk MCP — verify hash-chain integrity of audit exports offline
TypeScript definitions for hash-chain
Aegis trust layer — DIDs (Ed25519), Verifiable Credentials W3C 2.0, hash-chain audit.
Lightweight tamper-evident audit log with HMAC-SHA256 hash chain. Zero dependencies. Framework-agnostic.
Independent, vendor-neutral verification CLI for ZDottedLine signed documents. Verifies hash chain, Polygon anchor, and Bitcoin (OpenTimestamps) anchor without depending on ZDottedLine infrastructure.
Append-only JSONL audit log with SHA-256 hash chain
Reference TypeScript wrapper for ATAP v0.1 — Agent Trust Attestation Protocol. Witness service helpers, hash-chain construction, receipt assembly, in-process verification.
Cronozen DPU Core - hash chain computation, canonicalization, storage adapter interface, CLI
Append-only, hash-chain integrity audit logging for the Agent Trust Layer
React UI primitives for rendering an in-flight transaction strip. Provider with multi-instance scoping (id + storage key), three add methods (addWithWalletAdapter for callers using @valve-tech/wallet-adapter, addByHash for raw hash + chain via @valve-tech
Implementation of JSON Web Signatures
Shared offline verification core for AGLedger audit chains — COSE_Sign1 (RFC 9052) decode/verify, Ed25519, hash-chain walk, Merkle proofs, and the canonical failure taxonomy. One dependency (cborg); no network. The single source of truth the SDK, CLI, MCP
Read-only MCP server for KVM Fleet. Lists devices, queries the audit log, verifies hash-chain integrity, lists open console sessions.
Generate hashes from javascript objects in node and the browser.
Pure, offline-capable verification primitives for the Clawsig Protocol — schema validation, Ed25519 signature verification, hash chain integrity, receipt validation.
Stable JS value hash.
A MurmurHash2 implementation
JWA implementation (supports all JWS algorithms)
abstract base class for hash-streams
Encoding, crypto, and utility helpers for Taquito.
A tiered hashmap and hashset implementation that allows for easily representing lexically scoped variables
Hash-chained, append-only, causal event graph
SBO3L storage: SQLite persistence + hash-chained audit log.
SBO3L Phase 3.1: on-chain audit-chain anchoring — periodically publish audit-root digests to AnchorRegistry contracts on Ethereum / Optimism / Base / Polygon for tamper-evident verification.
SBO3L CLI binary: validate, decide, sign, audit, passport run/verify/explain, doctor.
SBO3L core: protocol types, request hashing, error model, signed receipts.
SBO3L execution: sponsor adapters (KeeperHub, Uniswap) wrapping the GuardedExecutor trait.
SBO3L identity: ENS-backed agent identity resolution (offline fixture + live RPC).
SBO3L MCP — stdio JSON-RPC server wrapping SBO3L primitives (validate_aprp, decide, run_guarded_execution, verify_capsule, audit_lookup, explain_denial).
SBO3L policy engine: YAML/JSON policy parsing + rule evaluation + persistent budget tracking.
SBO3L HTTP daemon: POST /v1/payment-requests pipeline (auth, idempotency, policy, budget, audit, signed receipt).
Journal hash-chain ingestion, reorg handling, ring buffer, and WebSocket serving
Chains multiple hashes together into a singular data-structure
markov-reloaded provides a simple interface to create markov chains. the system is based on hashes, but provides flexible methods to generate the chains based on any array, and to generate suitable arrays from strings. In addition, version 0.1.0 extends functionality, letting one input strings instead of arrays directly into the analyze method(treating each character as an element) As of version 0.2.0, the generate method gives the user the ability to supply a custom Method object to decide the starting point
Create an instance of me with a Hash and access the (nested) values by method chaining. Especially usueful when passing my binding into `ERB.new(...).result`
a module that allows you to specify hashes that are merged along the inheritance chain
A fast implementation of hashes as objects, benchmarked against OpenStruct. It allows chaining hash attributes as method calls instead of standard hash syntax.
An implementation of Hash that permits chaining, where children inherit changes to parent and where parent settings can be overridden in children.
An implementation of Hash that permits chaining, where children inherit changes to parent and where parent settings can be overridden in children.
Immutable audit logging with SHA-256 hash chain for LegionIO execution decisions
Hash data, publish hashes to the BSV blockchain via OP_RETURN, and verify attestations on chain.
Flexor provides autovivifying nested access, nil-safe chaining, and seamless conversion between hashes and method-style access. Built for flexible data containers, middleware state, and prototyping.
XML files typically come in nested structures. For data extraction purposes, we frequently wish to have a flat hash instead. The naming then becomes tricky, because there can be collision in the terminal nodes. However, if we use the chain of parent tags joined with an underscore, this provides a unique name for every data point in the XML file. The goal of this package is to make it very simple to convert XML files into flat hashes.
## Dinosaur Catalog It may not be immediately evident, but I am a huge fan of dinosaurs. They're huge and dangerous and have cool names like Giganotosaurus (not to be confused with Gigantosaurus). ... Anyway. I need to catalog some dinosaurs for my newest project, DinoDex. I've got a CSV file for the dinosaur facts, and I need the code to read all the dinosaur facts and do some basic manipulations with the data. ### Requirements Go check out the CSVs and come back. Done? Cool, I've just got a few features I need: 1. I loaded my favorite dinosaurs into a CSV file you'll need to parse. I don't know a lot about African Dinosaurs though, so I downloaded one from The Pirate Bay. It isn't formatted as well as mine, but please try to parse it anyway. 2. I have friends who ask me a lot of questions about dinosaurs (I'm kind of a big deal). Please make sure the dinodex is able to answer these things for me: * Grab all the dinosaurs that were bipeds. * Grab all the dinosaurs that were carnivores (fish and insects count). * Grab dinosaurs for specific periods (no need to differentiate between Early and Late Cretaceous, btw). * Grab only big (> 2 tons) or small dinosaurs. * Just to be sure, I'd love to be able to combine criteria at will, even better if I can chain filter calls together. 3. For a given dino, I'd like to be able to print all the known facts about that dinosaur. If there are facts missing, please don't print empty values, just skip that heading. Make sure to print Early / Late etc for the periods. 4. Also, I'll probably want to print all the dinosaurs in a given collection (after filtering, etc). #### Extra Credit 1. I would love to have a way to do (and chain) generic search by parameters. I can pass in a hash, and I'd like to get the proper list of dinos back out. 2. CSV isn't may favorite format in the world. Can you implement a JSON export feature? Happy Hunting. (Giganotosaurus was the largest hunting dinosaur, at 46 feet long and up to 8 tons! Suh-weet.)
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