OpenTechnical

OT-2026-000007394

Publication integrity record

Vacuum cup gripper, four outlet manifold, ejector fed, pressure verified, contact triggered, polyurethane cups

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-2026-000007394) never changes.

Identity and time

Publication numberOT-2026-000007394 · never reused
Internal UUID01a0a97d-351a-7f23-be72-1344aeaccbbf · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:12:30.237285Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007394
StatusPUBLIC

Content hashes

Canonical textcdbd7d870255ca72e3585bda7fddb242636b1f65ce9743b62e4068f89f9563a5
Markdown6182eb348a1bef1419335beabcf915dfc8cb98b6ba684dec91f28f3103499d09
PDF
Publication pageab5fdf6c5048da72d878fa0b50cdcf171fb9e5589e3b538c997ff209af03ad9a
Manifest6d8bde7f14c7e6e7f5ea29cae6e05d85906b9e0de823199bda166643ad98609a

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
SignatureHWIysaNU/SIiMJA81mJkwhSUstiogRIHn65u488BBZuF2g7yx2AwQBZLF1bl/2SZ3xphOiQHuo91b+2W3XvfCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:07.868755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007394
observed ab5fdf6c5048da72d878fa0b50cdcf17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:07.856476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007394/manifest.json
observed 6d8bde7f14c7e6e7f5ea29cae6e05d85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:07.843040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007394/publication.md
observed 6182eb348a1bef1419335beabcf915df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:07.828622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007394/publication.txt
observed cdbd7d870255ca72e3585bda7fddb242...
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.