OpenTechnical

OT-2026-000089354

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000089354) never changes.

Identity and time

Publication numberOT-2026-000089354 · never reused
Internal UUID01a0ae9b-db01-7929-a714-4bcdc0392949 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089354
StatusPUBLIC

Content hashes

Canonical text9ea4992139c023cdf373fa8868146006e3f13db991a4ad3adef93b91e6a52a02
Markdowndf15190c49cede277c6888add65f9273018c090a23eb2938a7608e2b6317f5ef
PDF
Publication page48a42f18deb39b14c5a4ce7023e7692817fab6ea15c648a5bf6b6de491e74cf1
Manifestee0ff44818a4cd9bf2f706d9eaecf39c7d9da483aa6f09449de4ff1f42bea450

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
SignatureSjZpInOk5KmOgG22Fq+Myt/cPkI6mSGjBhlRxQL7dI6XB47gDQBlvycPeMK8cDnRzdqPvuKZT7wGpI9ks4MMBQ==
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

2026-09-17T09:47:24.613689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089354
observed 48a42f18deb39b14c5a4ce7023e76928...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:24.596610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089354/manifest.json
observed ee0ff44818a4cd9bf2f706d9eaecf39c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:24.578802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089354/publication.md
observed df15190c49cede277c6888add65f9273...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:24.561923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089354/publication.txt
observed 9ea4992139c023cdf373fa8868146006...
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.