OpenTechnical

OT-2026-000076928

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000076928) never changes.

Identity and time

Publication numberOT-2026-000076928 · never reused
Internal UUID01a0ae94-b071-7622-a1b8-3d92dde34704 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076928
StatusPUBLIC

Content hashes

Canonical textd53648b9d066672e9c5932fdbb7921281186872d75dc060ac99961de2acc84aa
Markdown8ba380f1fd50d985e9e731315a705a513df52cdf2cb1167206795897166dd272
PDF
Publication page4bce6f6873b7b35a54b66870e244668440be46ba6bf087a4736fe4e592f36a87
Manifestf05af35b90103ecf8d321ce50b61e559702e065d3f4a7248e8ae1255ec940366

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
SignaturerxBDfohB/lAW8r7etxzBexE154CtBdQz8vnXs+V5LMm62rtb+EejDKZemvexvYouN/Wv4tX0doNaXkZT+DudDw==
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

2026-09-17T10:09:53.310909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076928
observed 4bce6f6873b7b35a54b66870e2446684...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:52.798509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076928/manifest.json
observed f05af35b90103ecf8d321ce50b61e559...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:52.778022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076928/publication.md
observed 8ba380f1fd50d985e9e731315a705a51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:52.758531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076928/publication.txt
observed d53648b9d066672e9c5932fdbb792128...
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.