OpenTechnical

OT-2026-000066706

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, vented after 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-2026-000066706) never changes.

Identity and time

Publication numberOT-2026-000066706 · never reused
Internal UUID01a0ae8e-ce42-7f61-964d-a7e7664828a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066706
StatusPUBLIC

Content hashes

Canonical textbe06077982439a50afccdc64bac5d1ef7ee566b130709a77587295a92b2bd8e1
Markdown8a00557286018cc602a6f444e3bef669a109df11e86e759821ec64f7be1d4199
PDF
Publication page38e8956dc8c69ddf87884f187fe5702225aedc5dda4890d6270b12d7bc78fb79
Manifest138919a0c346d55f441c61da86e1aa32d12c0880a218f1c55ede0a4cdedc0804

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
SignatureSGS7Fj9c+FmY1LAPxL1zm6OYL6dgydTSZJ2cPBM9BGjZkq3qGnggdP87WtqCZB0brBvc31dvJtEzyVvcQaJXDw==
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

2026-09-17T10:33:06.475339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066706
observed 38e8956dc8c69ddf87884f187fe57022...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:06.454915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066706/manifest.json
observed 138919a0c346d55f441c61da86e1aa32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:06.437013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066706/publication.md
observed 8a00557286018cc602a6f444e3bef669...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:06.418890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066706/publication.txt
observed be06077982439a50afccdc64bac5d1ef...
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.