OpenTechnical

OT-2026-000022321

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, sustained blow-off before 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-2026-000022321) never changes.

Identity and time

Publication numberOT-2026-000022321 · never reused
Internal UUID01a0ae6f-f4fd-72cb-b6b4-1a07fc6ff66f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022321
StatusPUBLIC

Content hashes

Canonical textbaf579bb6fd3b81c877d91b415455e6e0cdeecd7a1052db82e7ca95ce3433abe
Markdown33bdfd03e8e1249f45cb0e7b1a6fd9956c1cab36f924b41d61fd4d2ce82ae2d4
PDF
Publication pagef45090e8b23cd431801ab818021736cd7a996affd431ee2f91ac193d5d77c1af
Manifestd776ffca422cde57b477a051f9feb788a06b69c1eacc349f7a33314d76d1497f

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
SignatureB/4xGH0vfwG3yvOtuk89SiYZGBAYSjOG0NvdXdTGIcG8kSAPh99PmE25ZNb+jJtcd9stW4j5VELLIl1Q12lHCA==
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

2026-09-17T11:52:45.251506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022321
observed f45090e8b23cd431801ab818021736cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:45.232008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022321/manifest.json
observed d776ffca422cde57b477a051f9feb788...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:45.200043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022321/publication.md
observed 33bdfd03e8e1249f45cb0e7b1a6fd995...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:45.166703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022321/publication.txt
observed baf579bb6fd3b81c877d91b415455e6e...
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.