Home / ProofLedger / n8n-nodes-proofledger

ProofLedger n8n community node

n8n-nodes-proofledger — n8n community node for ProofLedger: anchor a file's SHA-256 hash on the Polygon blockchain, read proofs back, and start workflows when a proof is anchored. The file never leaves n8n.

Weekly downloads56

Change vs prior week-183

Latest versionv0.1.2

Last published2026-10-19

First published2026-10-15

LicenseMIT

Install

In n8n, open Settings → Community Nodes → Install and enter:

n8n-nodes-proofledger

Unverified community nodes can only be installed on self-hosted n8n with community packages enabled. Review the code before installing.

Nodes in this package

ProofLedger AI tool — Anchor a file’s SHA-256 hash on the Polygon blockchain and read proofs back. The file never leaves n8n: only its hash is sent, with a file name (Create From…
ProofLedger Trigger Trigger — Starts the workflow when ProofLedger anchors a proof on Polygon. Registers the webhook for you and checks every delivery’s signature.

Supported operations

Resource	Operation	Description
Proof	Create From File	Hash a binary file in n8n and anchor the hash
Proof	Create From Hash	Anchor a SHA-256 hash
Proof	Create Many	Anchor every incoming hash in batches of 100
Proof	Get	Get a proof by ID
Proof	Get Bundle	Get a proof bundle
Proof	Get by External ID	Get a proof by your own record ID
Proof	Get Many	List proofs
Proof	Verify	Verify a hash
Webhook	Create	Register a webhook endpoint
Webhook	Delete	Remove a webhook endpoint
Webhook	Get Many	List webhook endpoints
Webhook	Test	Send a signed test event now
Account	Get Branding	Get the certificate branding line

Parsed automatically from the published npm package; may be incomplete.

Links

npm Repository Homepage

Maintainers: fulcrum_enterprises

ProofLedger n8n community node

Install

Nodes in this package

Supported operations

Links

New community nodes, every week