OpenTechnical

OT-2026-000096170

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump 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-2026-000096170) never changes.

Identity and time

Publication numberOT-2026-000096170 · never reused
Internal UUID01a0aea0-585e-73e5-a3c1-087ef46d7a27 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:59.115534Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000096170
StatusPUBLIC

Content hashes

Canonical textaa0561e51bfdad8680a8828933732315942aebf381f836cb457969a644599c99
Markdowna172281eff076db649879ed938229c3858b3918b492d92320f3637f424fe0960
PDF
Publication page076a5e450262219d22f120d64d552a788b77b354db29ce8b65d3066e7bcda669
Manifest3aa9e7859b01c7621a416ab1c035985d7a9eeffa3d35dc8f8c0f8a644df97b94

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
SignaturePZ1UnB8vANf9kG7kNBmFNuwvqjEIaL3ZffDa2GX7T5wX06rbxWRkiIt7ZCFoZqkDmNKbriuKILMSiZyy16y9BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:34:40.522213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096170
observed 076a5e450262219d22f120d64d552a78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:34:40.505315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096170/manifest.json
observed 3aa9e7859b01c7621a416ab1c035985d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:34:40.488598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096170/publication.md
observed a172281eff076db649879ed938229c38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:34:40.472078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096170/publication.txt
observed aa0561e51bfdad8680a8828933732315...
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.