OpenTechnical

OT-2026-000067222

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000067222) never changes.

Identity and time

Publication numberOT-2026-000067222 · never reused
Internal UUID01a0ae8f-6bd5-7047-b507-710c6850eac3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067222
StatusPUBLIC

Content hashes

Canonical textda22856f217d2eeecc87f78558c450bbfd69b056069f400228b91a820ba2d36f
Markdown03f89e380afca2af5f5abc2e5276ff99aec8f7a708b33472c1eb59f46db75d3b
PDF
Publication page886aeaf66519db1bfa1c9845e7305f8ec67b4ed8c900b564bf1d671930be19fc
Manifest857aeb74ee885d5684c3c97c4765301d4957e76da3c26bb6b4df85ac2a01e665

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
SignatureDC+e8GjfDZYP8AdaTI1XRkvaLhBu4AuF3sodkF40vSi4wXfueZXhD8Vp0mrrA7DC8raif/6UmesfZkRHPVmHDQ==
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

2026-09-17T10:30:53.368483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067222
observed 886aeaf66519db1bfa1c9845e7305f8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:53.350826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067222/manifest.json
observed 857aeb74ee885d5684c3c97c4765301d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:53.332759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067222/publication.md
observed 03f89e380afca2af5f5abc2e5276ff99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:53.314006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067222/publication.txt
observed da22856f217d2eeecc87f78558c450bb...
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.