OpenTechnical

OT-2026-000090056

Publication integrity record

Foam pad vacuum gripper, three zone face, six 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-2026-000090056) never changes.

Identity and time

Publication numberOT-2026-000090056 · never reused
Internal UUID01a0ae9c-428e-71c2-8a55-fb95e421eeb8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090056
StatusPUBLIC

Content hashes

Canonical text100ef953179fef206a75a1ac3c6dd686c76e0ec4cd1e19bf56344145cd331ba1
Markdown6837d64d7ee22a6850dc48d71f741d9814e1195804273de4307ef562a66632b1
PDF
Publication page7e886c7e801026ba3ece5005f9a23d990b8913a70ca548edeb2d213eba9eb176
Manifestb2dbe23d892382219b1c2d055c9587a9e76a291f2e5a2ff82baa2c3104a0facc

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
SignatureZoDVmkGBdUSBt+YZZnAeP7Lb29Ys5VFKqrsSVkeKOLTKnps1VDb0BQa6npjfIeoJGDHfBeu66jqlB011Q00IBQ==
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

2026-09-17T09:45:27.912728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090056
observed 7e886c7e801026ba3ece5005f9a23d99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:27.891656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090056/manifest.json
observed b2dbe23d892382219b1c2d055c9587a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:27.849084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090056/publication.md
observed 6837d64d7ee22a6850dc48d71f741d98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:27.804013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090056/publication.txt
observed 100ef953179fef206a75a1ac3c6dd686...
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.