OpenTechnical

OT-2026-000016709

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000016709) never changes.

Identity and time

Publication numberOT-2026-000016709 · never reused
Internal UUID01a0ae6e-5918-7472-b362-8c7d0c7aa636 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016709
StatusPUBLIC

Content hashes

Canonical text7fa7af1650cbc81631f330478508edb2d647cb39cf9db4273c346cfe165c5e04
Markdown3d75af1824a3ceb7cfb89b92c595e08cae0fdd7165822e65f5e9d6832ef9ed58
PDF
Publication page8bd409e1f5f5a989b627d6ea1a0b56eb4c8706537c5a31a5d2f90991c5aecabd
Manifest1394ce350306cd2a278e778a72376a21348313ed92e50701333edbae2639c043

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
SignatureAAOe5vIrcQK6nle6g9BTVxXqoojSv3FpJkx80EHJ9Qxze8hZIpdYm+237V1kqOovke3J6fpm47B1+BxNOdrxDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:02:56.027909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016709
observed 8bd409e1f5f5a989b627d6ea1a0b56eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:56.010287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016709/manifest.json
observed 1394ce350306cd2a278e778a72376a21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:55.991992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016709/publication.md
observed 3d75af1824a3ceb7cfb89b92c595e08c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:55.972123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016709/publication.txt
observed 7fa7af1650cbc81631f330478508edb2...
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.