OpenTechnical

OT-2026-000033480

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000033480) never changes.

Identity and time

Publication numberOT-2026-000033480 · never reused
Internal UUID01a0ae75-a38e-7593-bd1d-30f7acd6f0f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033480
StatusPUBLIC

Content hashes

Canonical text32164a2b54232ddc5a703710625fb70bc76bc116cf0b7ec1c487795f27ae76b9
Markdown52b3532eff9be17bd0c8a5a60013d58ec2a025fcf79228c7ed74476656695236
PDF
Publication page794f59ac00f8b7df7acdb5b7da96b5957fdf755ff088da9317ab6ceb33511bce
Manifest0c9487848ee9112b6dafd8b3d9fcbb65e6dd1b6b0c89d3b05ca6bfece47778d6

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
SignatureEpbMNzD3+Ay+DUFZWSvOvl0ipNCjIURF4eO8vddJ2nMq2j/eFo7FWN8H6ckfY9crXDRnyomxD0gE97Waj6xfAw==
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

2026-09-17T11:31:19.439391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033480
observed 794f59ac00f8b7df7acdb5b7da96b595...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:19.418113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033480/manifest.json
observed 0c9487848ee9112b6dafd8b3d9fcbb65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:19.397601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033480/publication.md
observed 52b3532eff9be17bd0c8a5a60013d58e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:19.380477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033480/publication.txt
observed 32164a2b54232ddc5a703710625fb70b...
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.