OpenTechnical

OT-2026-000066790

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000066790) never changes.

Identity and time

Publication numberOT-2026-000066790 · never reused
Internal UUID01a0ae8e-ce43-7376-8d57-68caf27510ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066790
StatusPUBLIC

Content hashes

Canonical text3590c2fb6a82f476cc3a9748aa46a63648eb7f5abbd665d4decc3c0884d00239
Markdownbbf7861184dbac49544fbbd0e02073490814199fd3e7156d7ff8bcb866ccd58b
PDF
Publication page04119bb286f43a87969b731d852662e97be134e9317526d7cace7ac2dceeaa7b
Manifest618efba5d18652cc8aebe8cded9dd90472df7754ad2c8e783deaf5484b68231e

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
SignatureLxpx1JUW4AH9Xa2K669tN+EqfVpIsgLPbVolk4S3EjE6domoxTk9iMbZ6ecJg0BJELXXoFnc/cwC283LBLbRCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:33:12.844134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066790
observed 04119bb286f43a87969b731d852662e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:12.824816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066790/manifest.json
observed 618efba5d18652cc8aebe8cded9dd904...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:12.807043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066790/publication.md
observed bbf7861184dbac49544fbbd0e0207349...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:12.790582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066790/publication.txt
observed 3590c2fb6a82f476cc3a9748aa46a636...
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.