OpenTechnical

OT-2026-000019041

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000019041) never changes.

Identity and time

Publication numberOT-2026-000019041 · never reused
Internal UUID01a0ae6e-d523-7aca-a028-8c2a6265e0d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019041
StatusPUBLIC

Content hashes

Canonical text6ad719b3279ccf688a48c533ad6d02675aaae897a46de43f01f929d301bee520
Markdown254855b459cc8d38d56d7e26ee21ea12154235e89d34b9a390ff1b0cb4578827
PDF
Publication page6a003da17ee01dc078e257921ccde6c18b91d837f60b1eedd42b82774332315b
Manifest117be0997c1f28cb51e1932640bd4568edbd059aaf937d9b4b2f06fc4fea78ec

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
SignatureXe9mGu7Emd0IfGhGbHODudFcYbLaYxBO7Awz8h+V7GTNIcYnGCqMSDEgRTHuBxSv5tvcXECWi+PrtOMTQx0eDA==
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

2026-09-17T11:59:43.996340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019041
observed 6a003da17ee01dc078e257921ccde6c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:43.977962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019041/manifest.json
observed 117be0997c1f28cb51e1932640bd4568...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:43.955790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019041/publication.md
observed 254855b459cc8d38d56d7e26ee21ea12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:43.937984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019041/publication.txt
observed 6ad719b3279ccf688a48c533ad6d0267...
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.