OpenTechnical

OT-2026-000066627

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, pump fed, pressure sensor per zone, pulsed 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-2026-000066627) never changes.

Identity and time

Publication numberOT-2026-000066627 · never reused
Internal UUID01a0ae8e-ce41-7f08-b2cd-84c629d3239f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066627
StatusPUBLIC

Content hashes

Canonical text441c000a168825fb003c15379b3e231e8020374d99b2a7bed5ba7d28fe82f540
Markdownf97d2fe196836283fde8be548f5a6421a080acc117c9e3031ef9692b9cf1a2b9
PDF
Publication page3e31117601e6237546c329798d8dc5f2fa8d2609c4fbf2a2f1e8013d541e8a2d
Manifest338752f3573d9debfcc09742cf8ada50a93469018a234104fcdb6adb7de2b684

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
Signature3PhSdNwdZegPyKJQc7JdlO/oibej91tYtW5KhvFpAnqUIzC/ac7pSBTFKuJewj+u4IgqwrgxI+Uv7Pu9Ej5YBQ==
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

2026-09-17T10:33:00.312420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066627
observed 3e31117601e6237546c329798d8dc5f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:00.294257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066627/manifest.json
observed 338752f3573d9debfcc09742cf8ada50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:00.270735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066627/publication.md
observed f97d2fe196836283fde8be548f5a6421...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:00.251706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066627/publication.txt
observed 441c000a168825fb003c15379b3e231e...
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.