OpenTechnical

OT-2026-000026444

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000026444) never changes.

Identity and time

Publication numberOT-2026-000026444 · never reused
Internal UUID01a0ae71-f4a8-795f-a074-315fb22e6229 · 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-2026-000026444
StatusPUBLIC

Content hashes

Canonical textaf45eb28755770413f1ca141c948c21032756d6516286d28b764f19ea8d5cc2e
Markdown6bdd5ea0c53988af1ae3c5de8e390e39102f1f38a8547785fb6da813f6ebdebf
PDF
Publication pageaff8d93fc89cf6d5bca18ab53eec12a136ac3ec5bc9903f9a1efff23abf5e4e7
Manifest331a3f57118bb410839dc4008c9fa4142c3d298d50d997182eca0cb139cac955

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
SignatureehJzfKR5rS4U5B8/WpLpUFgU1ndf/xA0zKNNrf8f3SSzKuwjlPHoh1c6nKjXKgVYPLv5X1CViVm8QX6Gi4D1Ag==
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

2026-09-17T11:44:26.582923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026444
observed aff8d93fc89cf6d5bca18ab53eec12a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:26.567528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026444/manifest.json
observed 331a3f57118bb410839dc4008c9fa414...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:26.549427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026444/publication.md
observed 6bdd5ea0c53988af1ae3c5de8e390e39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:26.531396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026444/publication.txt
observed af45eb28755770413f1ca141c948c210...
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.