OpenTechnical

OT-2026-000089825

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single 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-2026-000089825) never changes.

Identity and time

Publication numberOT-2026-000089825 · never reused
Internal UUID01a0ae9c-428d-7085-893b-d26661a9b272 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089825
StatusPUBLIC

Content hashes

Canonical text72adf627f1896f2dd6fb990941439e308a2d4df3eb92c07741e2aa7651cd8bcd
Markdownfac21e5910966173b102890f332d2d1f122b122baa05524196ba4b86575212ef
PDF
Publication pagec1901fe7e8362c09a40c3dd0c258b6c5c767a6db1bcf62083d04cff51896a775
Manifestd36d07f978411feda8c85bc5932449ee60b29ac353e6b1e21efb2de1eca6b40e

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
SignaturedCqI2aArU5hO1RtPwv4lL0CzVF6Vc2z6GAQ1DAy7MNbkXmHvNpDmDO7Y1PKYKpqOMRaHQUwfhzAKTLsrxjbgDg==
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

2026-09-17T09:45:03.814897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089825
observed c1901fe7e8362c09a40c3dd0c258b6c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:03.793165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089825/manifest.json
observed d36d07f978411feda8c85bc5932449ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:03.772415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089825/publication.md
observed fac21e5910966173b102890f332d2d1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:03.754043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089825/publication.txt
observed 72adf627f1896f2dd6fb990941439e30...
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.