OpenTechnical

OT-2026-000034682

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000034682) never changes.

Identity and time

Publication numberOT-2026-000034682 · never reused
Internal UUID01a0ae76-1ed1-7b3d-b938-ae6712391f8d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034682
StatusPUBLIC

Content hashes

Canonical text1f133701df714a5ddb1284940a911515b66e26c8cf1eedbb70b9b9e31bea0df5
Markdownab63778fed9473ad6532e50c3b1e64311f94f70a7830bcb73a10ffff9a77fe01
PDF
Publication page70ff6239abaf8b05e9f75ddeab5a60e09e5c9b849dd71617fc1b60b922120c89
Manifest32d0d4d01f9387926bfabcf5288af271a463e89cbfef8e4be2223bd43572f767

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
SignaturehqawXo/8YZxvrg43iBKqklYCiujj233MVh5Frt496qUnEtNk//XHGcnofPtQXTGAYD22Ayw2XVwm6DpmN3n1DA==
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

2026-09-17T11:29:05.495248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034682
observed 70ff6239abaf8b05e9f75ddeab5a60e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:05.470640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034682/manifest.json
observed 32d0d4d01f9387926bfabcf5288af271...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:05.442527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034682/publication.md
observed ab63778fed9473ad6532e50c3b1e6431...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:05.423127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034682/publication.txt
observed 1f133701df714a5ddb1284940a911515...
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.