OpenTechnical

OT-2026-000060305

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, vented after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000060305) never changes.

Identity and time

Publication numberOT-2026-000060305 · never reused
Internal UUID01a0ae8a-5a74-7ee9-b5ac-408b0261ca0d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060305
StatusPUBLIC

Content hashes

Canonical text429517cc8456f15eb07dbbfd51a78b7e1d719b74300d346e18073c58c29c9079
Markdown08a5e66cefcfd370288eba3bb7ef25a7228e8040d6576bbce5b88b783f8aa91b
PDF
Publication page646e165370dc0da8f30e6d8306cc3d27bdfe237b14d5d47c45e99eb10c63a4ad
Manifest1f893e689ed5bdac4bea93b2b9bddf24edbc74bcc343e3322f18a757d58ddfea

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureX+NlJyis0LGYSi3cjMQ3nCwfdC5QOw9cYlxQS0c2gq9PM5Atduc4x212zqJiSGl1agOqxthU2qBtUTDIflOLBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:00.761322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060305
observed 646e165370dc0da8f30e6d8306cc3d27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:00.744037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060305/manifest.json
observed 1f893e689ed5bdac4bea93b2b9bddf24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:00.726053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060305/publication.md
observed 08a5e66cefcfd370288eba3bb7ef25a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:00.708545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060305/publication.txt
observed 429517cc8456f15eb07dbbfd51a78b7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.