OpenTechnical

OT-2026-000033166

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, pulsed blow-off 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-2026-000033166) never changes.

Identity and time

Publication numberOT-2026-000033166 · never reused
Internal UUID01a0ae75-4844-774c-a1a0-e030f47cfb4a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033166
StatusPUBLIC

Content hashes

Canonical texta24e0e92780882032c54b5f31453698afe53f91930d5425f6ebb266e4919ec9b
Markdownbeb657f5b03105a69896f696823c2b45de823b19d7ea84e5d165ef7cb917b55c
PDF
Publication pagefceab792e8f37cc4e8ca62f95ebb2150d94f6a09e1cd6a73a923cff0a97733a2
Manifest35a17f833111b9c2ec2b35ef5bd1a0d36766d702feba17dc5734e9527d88af6c

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
SignatureNf4tk5R68M7PpaBxwgkAkvMR7naTDp3dmuOI2ZymRE8Q363bc7H/0Phrs7q/ACj4w+cQr0WSsoinUGQZ8yhfCQ==
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

2026-09-17T11:32:51.398278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033166
observed fceab792e8f37cc4e8ca62f95ebb2150...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:51.381200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033166/manifest.json
observed 35a17f833111b9c2ec2b35ef5bd1a0d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:51.364101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033166/publication.md
observed beb657f5b03105a69896f696823c2b45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:51.348022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033166/publication.txt
observed a24e0e92780882032c54b5f31453698a...
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.