OpenTechnical

OT-2026-000068164

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000068164) never changes.

Identity and time

Publication numberOT-2026-000068164 · never reused
Internal UUID01a0ae8f-c4ff-7ac0-a6ca-b808fbe38b3d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068164
StatusPUBLIC

Content hashes

Canonical textd8b21ff5851a0948aacfb9d748b37b85c60d044bb2654eee72b68413951a4cc1
Markdown8ac630972328bd44119b4deadbf95526902bf34b0294480641d4f6001d409c7a
PDF
Publication page01e8e2d8c3e1989859b9467acbb5466a354d04a7fa152e5416c8c2112d239d1e
Manifest630f86513534f5a8f71acc5bd503c74cfc5a7c3452a52e90c4fa04865946a8f5

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
SignaturelqF7wutHkMURzzFuXzTFD3K8APs++V1gpJSzImbrag5ADhzorW+pekgJSX/Wzuc9HOWNR6tG62bYMtbXQpHhDg==
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

2026-09-17T10:30:49.124017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068164
observed 01e8e2d8c3e1989859b9467acbb5466a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:49.107204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068164/manifest.json
observed 630f86513534f5a8f71acc5bd503c74c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:49.091704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068164/publication.md
observed 8ac630972328bd44119b4deadbf95526...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:49.074398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068164/publication.txt
observed d8b21ff5851a0948aacfb9d748b37b85...
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.