DataHubz v1.0.2
E-signatures you can verify
From the developer
The plugin sells nothing and takes no payments: it works with the user's own Attest records.
Which agreements are waiting for my signature?
Developer declarations; not independently tested. Listing last checked Nov 14, 2026. Package observed Nov 14, 2026.
From the marketplace listing
Attest by DataHubz is document signing and verifiable records. The Attest connector brings your Attest records into your assistant. What you can do: - See your agreements: the ones you sent and the ones waiting for your signature, with their status, signers, whose turn it is and the audit trail up to completion. - Remind signers of an agreement you sent: the signing link goes again to those whose turn it is, at most once a day each. - Prepare a new agreement: give the title, signers, order, a note and an expiry date, and get a link to Attest's New agreement form, filled in. You attach the PDF and send it in Attest, where your browser encrypts it. - Verify a signed document: give the code on its signature stamp (ATT-XXXX-XXXX), an agreement, receipt or proof ID, or the file's SHA-256 fingerprint. Attest reports who signed, whether every passkey signature checks out, and the record's anchor on the Base blockchain. Anyone can run this check, without an account. - Prove you signed an agreement without revealing it: a Share proof is a zero-knowledge proof that shows your email address (and a co-signer's, if you name one) and the day the agreement was completed, never the document, its terms or its title. Each proof is submitted to zkVerify for independent verification. - Record a receipt: anchor a SHA-256 fingerprint on Base as proof that the content existed, unchanged, at that time. What it can't do, by design: - It can't read your documents. They are end-to-end encrypted in the sender's browser and stored only as ciphertext Attest can't read, so no tool returns a document. - It can't sign. Each signer signs in Attest with their own passkey (Face ID, Touch ID, Windows Hello or the device PIN). - It doesn't send documents. You send them from Attest. You sign in to Attest when you connect and choose what the assistant may do: check records, read your records, or act on them. You can disconnect it at any time from Attest's Security page.
Language: English · Automatically detected from descriptions.
Exact text from the indicated source. A mention alone does not establish support for your task.
List the agreements you sent and the ones waiting for your signature See one agreement's signers, status, document fingerprint and audit trail Remind the signers of an agreement you sent, at most once a day each Prepare a new agreement for you to attach the PDF and send in Attest Verify an agreement, a stamp code, a receipt, a Share proof or a SHA-256 fingerprint Create a Share proof that you signed an agreement, without revealing the document Record a receipt for a SHA-256 fingerprint, anchored on the Base blockchain List your receipts and their anchors See what your account has left to use, and whether your signing key is set up
Attest by DataHubz is document signing and verifiable records. The Attest connector brings your Attest records into your assistant. What you can do: - See your agreements: the ones you sent and the ones waiting for your signature, with their status, signers, whose turn it is and the audit trail up to completion. - Remind signers of an agreement you sent: the signing link goes again to those whose turn it is, at most once a day each. - Prepare a new agreement: give the title, signers, order, a note and an expiry date, and get a link to Attest's New agreement form, filled in. You attach the PDF and send it in Attest, where your browser encrypts it. - Verify a signed document: give the code on its signature stamp (ATT-XXXX-XXXX), an agreement, receipt or proof ID, or the file's SHA-256 fingerprint. Attest reports who signed, whether every passkey signature checks out, and the record's anchor on the Base blockchain. Anyone can run this check, without an account. - Prove you signed an agreement without revealing it: a Share proof is a zero-knowledge proof that shows your email address (and a co-signer's, if you name one) and the day the agreement was completed, never the document, its terms or its title. Each proof is submitted to zkVerify for independent verification. - Record a receipt: anchor a SHA-256 fingerprint on Base as proof that the content existed, unchanged, at that time. What it can't do, by design: - It can't read your documents. They are end-to-end encrypted in the sender's browser and stored only as ciphertext Attest can't read, so no tool returns a document. - It can't sign. Each signer signs in Attest with their own passkey (Face ID, Touch ID, Windows Hello or the device PIN). - It doesn't send documents. You send them from Attest. You sign in to Attest when you connect and choose what the assistant may do: check records, read your records, or act on them. You can disconnect it at any time from Attest's Security page.
Attest by DataHubz
attest
Attest by DataHubz is document signing and verifiable records. The Attest connector lets your assistant list the agreements you sent or must sign, remind signers, prepare new agreements, verify signed documents and records anchored on the Base blockchain, and create Share proofs, zero-knowledge proofs verified on zkVerify. It never reads a document and never signs: documents stay end-to-end encrypted, and each signer signs in Attest with their own passkey.
· 3 observations
Full description changed from “Horizen” to “Base”. Capabilities updated; open the comparison for details. Long description changed from “Horizen blockchain. Anyone can run this check, without an account. - Prove you signed an agreement without revealing it: a Share proof is a zero-knowledge...” to “Base blockchain....
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Version 1.0.2. A dedicated privacy notice for the connector, at https://attest.datahubz.com/docs/connector/privacy, lists what is collected, each tool's inputs and outputs, why they are used, who receives them, how long they are kept and how to disconnect or delete them. The listing adds a support email, contact@datahubz.com. Since 1.0.0, Attest anchors records on the Base blockchain, and agreements prepared with Attest's Gmail add-on are kept out of every assistant and other app, as Google's user data policy requires. The nine tools, their inputs and their permissions are unchanged.
Declared in the saved package. Remote tools may change independently.
Publisher declarations from the archived package. These are separate from our research and the live service's terms.
Package observed Nov 14, 2026.
plugin_asdk_app_6acfba8af4c08191a0cb758431303abd
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