OpenTechnical

OT-2026-000071330

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000071330) never changes.

Identity and time

Publication numberOT-2026-000071330 · never reused
Internal UUID01a0ae91-e0ec-7394-8e54-b927540a0b37 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071330
StatusPUBLIC

Content hashes

Canonical text28311c053938fcb0e4de6323feb5953a9e97e7f899f92d9cae707b2629046e38
Markdown93915e977dc7f5c9ed81098972f38806d4945ae39d48f8b9f0b7ab324c878930
PDF
Publication page456d8198af22a251dc992fa58dff6f59de45a6fb61a7b1e093b35389626c85c5
Manifesteaebceb81f4ce03899728f26e0a8fc486b831b252a569a90318458284f3dad2e

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
Signaturefdg21R1qytecs1E94YQUWnUtTiIqE95ycJXJaQSHbx+OQz2/kz3H8HofjD9kP/LhuLcNZBnTs1ImQm42CQ+pDA==
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

2026-09-17T10:24:55.565829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071330
observed 456d8198af22a251dc992fa58dff6f59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:55.546363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071330/manifest.json
observed eaebceb81f4ce03899728f26e0a8fc48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:55.525013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071330/publication.md
observed 93915e977dc7f5c9ed81098972f38806...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:55.505746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071330/publication.txt
observed 28311c053938fcb0e4de6323feb5953a...
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.