OpenTechnical

OT-2026-000074791

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000074791) never changes.

Identity and time

Publication numberOT-2026-000074791 · never reused
Internal UUID01a0ae93-ac2c-75e0-a858-e857c8cc3329 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074791
StatusPUBLIC

Content hashes

Canonical text7c3eafb053b0391e2b2e87ce8ab7da062e762089d77670f14d2c8860b26da63e
Markdown92ab9d2759122bb9ca8c8609c16ddffbdb7c84ed222daeef24b8b421935cfccf
PDF
Publication pagec1be6b4738239ef7204c8f31e3bddfefacc95c6312a4a273ebb623613a902024
Manifest46e0ec20d010ad985013c440eb887155bff5a9a0907448fe742c8370e9695c30

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
Signature2oIMfqzc8RuvtSMVPYayyzxOsf/ZWfrWQu7Gtkle1Naolw7zXaWc5fiXwOKovUN+mVNRHtQTRiP+iYCXKla+Bw==
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

2026-09-17T10:18:29.551982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074791
observed c1be6b4738239ef7204c8f31e3bddfef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:29.534606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074791/manifest.json
observed 46e0ec20d010ad985013c440eb887155...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:29.518321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074791/publication.md
observed 92ab9d2759122bb9ca8c8609c16ddffb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:29.499731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074791/publication.txt
observed 7c3eafb053b0391e2b2e87ce8ab7da06...
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.