OpenTechnical

OT-2026-000102183

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum 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-2026-000102183) never changes.

Identity and time

Publication numberOT-2026-000102183 · never reused
Internal UUID01a0aea4-50f3-734e-832a-164cea289e7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102183
StatusPUBLIC

Content hashes

Canonical text91aace8c182be060ed3445aa4178e28b1c26ce42104bf9a79635af24a222ce92
Markdownadc49dc69a0f52ac36947a7fd7a0d40c4cacde3c4ad4310eec0ee2bf4599f3c2
PDF
Publication page632766653e2d2535fe3922a484b524fa20673b8ec032d9260d5c09053fd3c289
Manifest6e1cb5ddf8fbf7902374fd92f5293709feef78068cdebda78d7d96c9c664205d

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
Signaturevc0AaAe00SYbnOnv40rJ4x89aRCDAFivAezd24oXBJBORHLN6lWOO4891tSO4SMVIU2y2It8+tgNs/5+7gVTBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:21.307569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102183
observed 632766653e2d2535fe3922a484b524fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:21.290589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102183/manifest.json
observed 6e1cb5ddf8fbf7902374fd92f5293709...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:21.273506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102183/publication.md
observed adc49dc69a0f52ac36947a7fd7a0d40c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:21.254984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102183/publication.txt
observed 91aace8c182be060ed3445aa4178e28b...
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.