What Recognitium is, and what it is not

Every record can be asked one question: who holds the material that would undo it? An institution, whoever can pay, or no one. Recognitium is the third answer, and this page says what that answer is made of.

A stranger holding a message can ask four questions. Who can read it. Who did this. What happened, and when. In what order, for everyone. Cryptography answered each with a different machine, a different key and a different holder. Recognitium answers the four with one instrument, one public formula, and no key that lives longer than the act it serves, because the four were only ever separate because each needed its own holder.

1. What happened, and when: attestation

A receipt is a dated proof of order. It binds the fingerprint of your data to a position in a public sequence that cannot be run backward, and to an event that had not yet happened when your data was locked. Anyone can check it, offline, with one public formula, holding the chain or its anchor, and no one’s permission.

It proves that something was said, and when, and in what order. It does not prove that what was said was true. It reads nothing: only the fingerprint leaves your machine. The sequence is public; its last position is written into Bitcoin every day, and its time is set against the national clock at the Observatoire de Paris.

Status: running. Every receipt issued today carries the word computational, because the physical event that will mint the fingerprint is on the bench and not yet in the machine that answers.

2. Who did this: authentication

A person is the body on one phone. The phone holds a value that is used once; the server holds only its fingerprint; Face ID or a fingerprint unlocks the next value, and a value shown twice is a fork that the sequence records. There is no password, no recovery code, nothing written down that a stranger could read or guess. A computer enters by scanning a code from the phone. A machine, an agent, a program, is its chain: the right to act as it is the right to continue its own sequence, and its history is its identity.

Status: running, without passwords, since October 2026. The identity check that binds one human to one account is being completed. The certification of who sealed what by hash-based signatures is designed and not yet deployed.

3. Who can read it: encryption

Recognitium encrypts nothing of yours and reads nothing of yours. What it carries between two people is a sealed envelope. Half of the key never reaches Recognitium; the other half comes into existence only when the recipient takes the next step of their own chain, and the opening is itself recorded. Once opened, the ciphertext is erased and the key is gone. No secret lives: each one is born for one opening and consumed by it. Until the opening is recorded, it can be proved that the recipient could not have read the document.

Two things are different in kind and must be kept apart. The privacy of the content rests on a value that no longer exists, and is unconditional. The binding of the order rests on the public formula, SHA-256, and is computational: strong, and not absolute.

Status: built; the envelope messenger opens the week of 2 November 2026. The key that exists only inside one tick of the instrument is a design, not a product.

4. In what order, for everyone: finality

Every system of trust before this one asked strangers to agree. Recognitium asks no one to agree. Each party keeps its own record; the order of all of them is interlocked in one public sequence, so that disagreement about the order becomes impossible. The operator is not a party to any receipt: it has two verbs, on and off; it can be silenced by anyone and made to lie by no one. The past can no longer be rewritten by anyone, including us. It can still be lost, if no one keeps it, which is why every receipt a client holds guards every other client’s past.

Status: running in software. Physical at the bench: the instrument is built, its test is registered with its failure conditions sealed on 5 September 2026, and it has not yet been run. The words for the source are unpredictable, consumed and sensed. The word quantum waits for the laboratory.

What it is not

It is not a blockchain. There is no consensus, no validators, no token, no cost paid to bury the past.

It is not a bank, a wallet or a currency. It moves no money and holds none. Receipts are paid in prepaid ticks, one cent each, which cannot be transferred or redeemed.

It is not a certificate authority. No one vouches for a key, because there is no key to vouch for.

It is not a proof of truth. A lie sealed today becomes a lie that provably existed today.

It is not a signature, and it is not encryption of your data. It is an outside clock of order that the operator itself cannot rewrite.

It is not certified. Its time is set against a national laboratory; its source has been characterised by no one yet; no certificate exists, and none will be claimed before it does.

It is not first in history. Timestamping, attestation and receipts are in the founding table of cryptography; Haber and Stornetta chained hashes in 1991, and a newspaper has printed one every week since 1995. What is new is how those entries are paid for: not with a key that must survive, not with a cost that must be burned, but with an event that is used up.

Who it is for

If someone outside must believe your records without being able to check them, a customer, a court, an insurer, a counterparty, a supervisor, the person behind an artificial agent, this is for you. If your regulator already holds your vault and is satisfied, it is not.

It is for machines as much as for people. Artificial intelligence gave machines thought and robotics gave them hands; neither gave them a history that cannot be edited. The only claim about an agent’s conduct that is scientific is the one in the perfect tense: it acted within the limit, and that fact can no longer be undone.

One thing becomes scarcer as everything else becomes free. A past cannot be bought. A chain two years old is two years lived, and no one who starts later can acquire that at any price.