OpenTechnical

OT-2026-000085151

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, 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-2026-000085151) never changes.

Identity and time

Publication numberOT-2026-000085151 · never reused
Internal UUID01a0ae99-43b9-75a7-85f6-5cf50a702538 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085151
StatusPUBLIC

Content hashes

Canonical text3e9ff113cf49267263d750282fe7ebbd344a1319b1c10dd8b4d6847329e896ca
Markdownfb73412ab52489cc26c624d4c81c2e03753f00ea40a11949d6dc0735b5199fe8
PDF
Publication page1024d70a45931553cb603730f25c2597860c890cc89d3263a04a196c8cf6deac
Manifeste28ea7afa52bf4b13df73c42695afc270ff3d1450db7ab2381022ac34934bcbe

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
Signatureja5TldLbJNPkwTcdcORyHSLj/IxhV8rqws4Q89PLKlwQr4vVdOycfH0M29C19G65O5mIWdeSl03qgZioOW+QCQ==
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

2026-09-17T09:55:13.891138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085151
observed 1024d70a45931553cb603730f25c2597...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:13.872472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085151/manifest.json
observed e28ea7afa52bf4b13df73c42695afc27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:13.855682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085151/publication.md
observed fb73412ab52489cc26c624d4c81c2e03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:13.839841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085151/publication.txt
observed 3e9ff113cf49267263d750282fe7ebbd...
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.