OpenTechnical

OT-2026-000026714

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000026714) never changes.

Identity and time

Publication numberOT-2026-000026714 · never reused
Internal UUID01a0ae71-f4ab-7f46-bae5-6086032611f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026714
StatusPUBLIC

Content hashes

Canonical textbb3dd96c8b579399c475f5e3b247643579ab34df063bfb749c75c6b29ced9789
Markdowna259e921adf2b7c88a2906585f8e02b6a57411f4ea90b195e9c8f4227a92de50
PDF
Publication page3943ae61830fc2fdf85c3ea6011534caf0f10ddc86ea6a460e108c3f74cd8b0d
Manifest24fcecf5974c0d5477e128f730a4df80954e0f0be672e99b7e0c4858622b3a04

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
SignatureFk1GJvpY9tkibPnY35iI5J0GLByOcOwEGBpYcWa4ZMpknxy5TuEtGT8LhMsXcpWpA7juaVFP0ta/mmi5Y4MAAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:45:48.609435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026714
observed 3943ae61830fc2fdf85c3ea6011534ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:48.590860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026714/manifest.json
observed 24fcecf5974c0d5477e128f730a4df80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:48.574811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026714/publication.md
observed a259e921adf2b7c88a2906585f8e02b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:48.558002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026714/publication.txt
observed bb3dd96c8b579399c475f5e3b2476435...
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.