OpenTechnical

OT-2026-000075610

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, vented 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-2026-000075610) never changes.

Identity and time

Publication numberOT-2026-000075610 · never reused
Internal UUID01a0ae94-29fd-7363-a64b-dff523498800 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075610
StatusPUBLIC

Content hashes

Canonical text6d92dc10777eddab21f9ae900d8f872fd31d201afaef3421e3f193f2e36ff499
Markdown2613d73102789a9d1df96e0234cd0733cf765217c246ea8147df2473bed390b3
PDF
Publication page95ef9dd75a4f8782e261e984efd20ef43332c4629f72859aa62cb3a918bcba31
Manifest5dffe7532c7db13ab83c1db27ebc88d96f2363bf4719e448c41a03d559d24d83

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
SignaturerYqEOdx/1iQLTCjeqJ6lgpsZLfPi076OBLQ56equyxTxOJxmBwYcrFS+uHDkAACwOdRmCOTZmNBLK4AoCmC+CQ==
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

2026-09-17T10:13:18.507518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075610
observed 95ef9dd75a4f8782e261e984efd20ef4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:18.052250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075610/manifest.json
observed 5dffe7532c7db13ab83c1db27ebc88d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:18.028474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075610/publication.md
observed 2613d73102789a9d1df96e0234cd0733...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:18.008727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075610/publication.txt
observed 6d92dc10777eddab21f9ae900d8f872f...
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.