OpenTechnical

OT-2026-000089091

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000089091) never changes.

Identity and time

Publication numberOT-2026-000089091 · never reused
Internal UUID01a0ae9b-daff-7160-a019-4eb0fa6d2c14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089091
StatusPUBLIC

Content hashes

Canonical text4daa27d26b6400dae2c582c2289ce32ebeb1d75c5f0bf38804b3e73c5e87ec79
Markdown56fd476aa6f1f253798e509d823b572eb0e6b8620031fb1c7490c1785991f40d
PDF
Publication page8f801916cdf0c54379bd96ceaa96d7438fa64fd2d99856b0903b1239aed889fb
Manifest473c636dbd4f10e087a06e6a0e913e5fa40df3d33eb53f8b97ce67e944c30939

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
SignatureOhd7u7F9ncKybOPilrpWyNbk2EqE/IAUbYzI5+zDAzWJ4yIHpeka8wHto/TbgJPPjhJZhLYi/q+HVF3gPGCqCw==
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

2026-09-17T09:46:59.874644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089091
observed 8f801916cdf0c54379bd96ceaa96d743...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:59.857609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089091/manifest.json
observed 473c636dbd4f10e087a06e6a0e913e5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:59.839693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089091/publication.md
observed 56fd476aa6f1f253798e509d823b572e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:59.820404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089091/publication.txt
observed 4daa27d26b6400dae2c582c2289ce32e...
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.