OpenTechnical

OT-2026-000038237

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold 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-2026-000038237) never changes.

Identity and time

Publication numberOT-2026-000038237 · never reused
Internal UUID01a0ae78-2d51-72e4-8428-7507343d42e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038237
StatusPUBLIC

Content hashes

Canonical text25d8d39155f3b09d8a5bac66983566f4d7e11dafa2041063954ead80c708924b
Markdown39695978dc1ccae8b500714e04e51d7ddd9936bb328cc552c40851ba23aaefd5
PDF
Publication pageac7b8f11b646a79a185330abdabb69e21227db78a16bc3956c862dec75fb1ec1
Manifestc0f1f6f4308c1d6a66b4308f84703797999571c10eaa16f65254bfeac867f360

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
Signature2tOmdp+zGEdOS7Pfu4NaSkItTHNigMWhJHhKXWto14Lp5qDmcmSmZZFSu8QkSZhsoWxZaNV0AskLdWq3d0eaDg==
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

2026-09-17T11:22:20.925154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038237
observed ac7b8f11b646a79a185330abdabb69e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:20.904756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038237/manifest.json
observed c0f1f6f4308c1d6a66b4308f84703797...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:20.886491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038237/publication.md
observed 39695978dc1ccae8b500714e04e51d7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:20.869548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038237/publication.txt
observed 25d8d39155f3b09d8a5bac66983566f4...
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.