OpenTechnical

OT-2026-000033809

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000033809) never changes.

Identity and time

Publication numberOT-2026-000033809 · never reused
Internal UUID01a0ae75-a391-7b7b-a5cb-744943efff16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033809
StatusPUBLIC

Content hashes

Canonical textbce95476352f03d0900b5339e4cf511fa0c09ea397e886cba188532f2f087612
Markdown73369627e414095dc3718f91119864df4509f75faf22f12033410cb3fedd9919
PDF
Publication page9b90993fef9010a1b9a3e04cf0fded91456a3129097af382a421a740acde7e2c
Manifestc1eae474e53f80b9db495bb2f2dcda10b331799bec13eb6d30756c7c21da6a4e

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
SignatureOrN1a+dmLA+8qVq84mWyydBcMGBZ/e70DQmNPSynphwGoZXkmmXtFUSRA7eAZy7cF2xdZBbgJUg0pNQmBwysDA==
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

2026-09-17T11:31:51.267139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033809
observed 9b90993fef9010a1b9a3e04cf0fded91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:51.246551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033809/manifest.json
observed c1eae474e53f80b9db495bb2f2dcda10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:51.230120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033809/publication.md
observed 73369627e414095dc3718f91119864df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:51.212144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033809/publication.txt
observed bce95476352f03d0900b5339e4cf511f...
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.