OpenTechnical

OT-2026-000019286

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000019286) never changes.

Identity and time

Publication numberOT-2026-000019286 · never reused
Internal UUID01a0ae6e-f392-785d-aa3d-15f351cb836e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019286
StatusPUBLIC

Content hashes

Canonical texteeac66bcfb161f877e2ce358a24281010f328800b87041af27c5e4ad0358b77d
Markdown9069ab267949f049316efe42c57facc08270c64ca0c73a9f75411a1b7bd45b60
PDF
Publication pagee13af8840f2ad2d95c87df44580b9c189ff9b51019d0d2923c5c9605131503fa
Manifest2e930f3bb494ceff964b42755b3b4e8e42e1f2d9e95d9e13f31d2b215ae4121a

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
SignatureTOnEre78uBxQ67Xu1HXm70uSUEJBqP4O9wc/dToNuGUvKyFMRMpdKuqzrXWOcjbtDDUrwot4HjsdsTS0tYHlCA==
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

2026-09-17T11:58:38.333880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019286
observed e13af8840f2ad2d95c87df44580b9c18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:38.314611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019286/manifest.json
observed 2e930f3bb494ceff964b42755b3b4e8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:38.295489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019286/publication.md
observed 9069ab267949f049316efe42c57facc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:38.277532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019286/publication.txt
observed eeac66bcfb161f877e2ce358a2428101...
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.