OpenTechnical

OT-2026-000067150

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000067150) never changes.

Identity and time

Publication numberOT-2026-000067150 · never reused
Internal UUID01a0ae8f-14ff-7ba5-9f7b-5a99440f0207 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067150
StatusPUBLIC

Content hashes

Canonical textc0082a60fd226b649c02836556ca62ce0b39f9d1fd98e532eecbe5cdf680b1ba
Markdown9bf9b905a24ec003341402360b2272f4932528eacc436f05542d56be6f33c2cd
PDF
Publication page8c9d6c09dd80ecaa873babefe7154ac1b17b14f90412b04fb561276a346bd270
Manifestf94a0a3c202808a4e18e2a26590fd52b51214e0c7bbb51a0f686c575151ef10d

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
SignatureWj1rXx0udXS8ICbCuK11EsLvZwTKV+ggyjnJCmV4xmQGfg43gPIW6QxXcukDYodaViMi5MmNAXDHDGzC50V0Ag==
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

2026-09-17T10:32:25.766797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067150
observed 8c9d6c09dd80ecaa873babefe7154ac1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:25.749301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067150/manifest.json
observed f94a0a3c202808a4e18e2a26590fd52b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:25.732940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067150/publication.md
observed 9bf9b905a24ec003341402360b2272f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:25.716125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067150/publication.txt
observed c0082a60fd226b649c02836556ca62ce...
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.