OpenTechnical

OT-2026-000047788

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000047788) never changes.

Identity and time

Publication numberOT-2026-000047788 · never reused
Internal UUID01a0ae7f-c420-705e-bd45-3e2dfc3f1d73 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047788
StatusPUBLIC

Content hashes

Canonical textf6f48b1d23512cce59be361ab2743f8de71fd1cd1ef73ef7a21826debe6dcd7e
Markdowna343589cb7e361ad969cb332eb5bf1c5879ebcdc2a337f7854ab4964f646bd9b
PDF
Publication page69d29e204e90c146b17415e90b060ac1bb4a539981e77e7b762e176e68eee9e5
Manifestd261e68d91f7fe03c9aef715ee907f2d80afaa15bd5b84768f31911b0df79167

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
SignatureaUkvJ7yYjhiXHyJS8ZgzsVB1G0Dm0YoCckPyRDYO7okcxeJnA+PxpKwXCQts6lOYdhwCCW+vbCI/hNyDg0r+AQ==
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

2026-09-17T11:05:41.096948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047788
observed 69d29e204e90c146b17415e90b060ac1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:41.078078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047788/manifest.json
observed d261e68d91f7fe03c9aef715ee907f2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:41.062023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047788/publication.md
observed a343589cb7e361ad969cb332eb5bf1c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:41.045416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047788/publication.txt
observed f6f48b1d23512cce59be361ab2743f8d...
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.