OpenTechnical

OT-2026-000085854

Publication integrity record

Foam pad vacuum gripper, four zone face, pump fed, 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-2026-000085854) never changes.

Identity and time

Publication numberOT-2026-000085854 · never reused
Internal UUID01a0ae99-e829-70c2-977a-266055491de4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085854
StatusPUBLIC

Content hashes

Canonical textc0ff26527e8e5be02df9ac4ec5334a09e84105b6df7fe1ded0ee0b434e59965e
Markdown2e97d840932ee732e9bd7b3588d376e2208ff66a9644325d87e8c8a3b148aeff
PDF
Publication pageea27a1b92e8f5685a2e857a93f96891e8f9bf3c04c51a04764847a79082f9826
Manifest23367c8d807bb44dfc9caaf181678cc1c36f30d2b64283064c7fc2456ae1d6cc

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
Signaturep6JLDM9CMFH8RgE3c/oitNlib+Qn7DHwE3BHEWUhF4UP3C+Qkozddj6tW/Rxb1dyNTAEbA3mlB/NU9qB9U1dBg==
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

2026-09-17T09:52:46.923477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085854
observed ea27a1b92e8f5685a2e857a93f96891e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:46.906772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085854/manifest.json
observed 23367c8d807bb44dfc9caaf181678cc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:46.889553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085854/publication.md
observed 2e97d840932ee732e9bd7b3588d376e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:46.872105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085854/publication.txt
observed c0ff26527e8e5be02df9ac4ec5334a09...
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.