OpenTechnical

OT-2026-000076290

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump 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-2026-000076290) never changes.

Identity and time

Publication numberOT-2026-000076290 · never reused
Internal UUID01a0ae94-6a70-7a33-b028-ca45741de44d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076290
StatusPUBLIC

Content hashes

Canonical text0a5f05113101d98ad65001171013bb1d00dcee2f5f0420b4ed1d12c61e721700
Markdown379995988c8d7b936f72b8c10dcc872d714c5d2e5f26558a551dcfd178dbcea7
PDF
Publication pageae64a0bfb40c30b64793bc314a857453ea4482c795519d770064edb9fdf2e530
Manifest1cc3444691faa60788e4dd5ae2816e075a454597df8ed522d7b15c9ae1f8ac51

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
SignaturehH/zhgFCafBB67ilk4CwawVFp7wjyEjc1lSuG3LuEQYvZa9q7mTKO7FM86nXBTaVRYfGIgxlKq72jV9LzQ1SDw==
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

2026-09-17T10:12:05.771101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076290
observed ae64a0bfb40c30b64793bc314a857453...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:05.749883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076290/manifest.json
observed 1cc3444691faa60788e4dd5ae2816e07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:05.729987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076290/publication.md
observed 379995988c8d7b936f72b8c10dcc872d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:05.706569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076290/publication.txt
observed 0a5f05113101d98ad65001171013bb1d...
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.