OpenTechnical

OT-2026-000090296

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, pressure sensor per zone, sustained blow-off before 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-2026-000090296) never changes.

Identity and time

Publication numberOT-2026-000090296 · never reused
Internal UUID01a0ae9c-4290-7ede-8c0e-dc458033efb2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090296
StatusPUBLIC

Content hashes

Canonical text28812a7d6070dcdc8a93f1d597f53630763912c74664fa2c8b3549dc125a7701
Markdownbaecb7fe0aa34f1006c343ffda98dd1079a6ce99fab2af59148b956400069123
PDF
Publication page47883953a229be98df0071d394048af9078d2aebf74096c8503342c28805ed8a
Manifest2530f75f3f73a504541f99c523f1c7e42645646e62e31bba4f8dacae59bc404e

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
SignatureXMx+a5bFv+GIyoQtzYr+YvE15hCf+SpyxkqrrsueYVu3KOXlMvYp3rvLgi/Pvet9kRF8cVCozMNA+/IkYJYhBg==
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

2026-09-17T09:46:22.959496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090296
observed 47883953a229be98df0071d394048af9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:22.942726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090296/manifest.json
observed 2530f75f3f73a504541f99c523f1c7e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:22.922970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090296/publication.md
observed baecb7fe0aa34f1006c343ffda98dd10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:22.906101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090296/publication.txt
observed 28812a7d6070dcdc8a93f1d597f53630...
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.