OpenTechnical

OT-2026-000023290

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, 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-2026-000023290) never changes.

Identity and time

Publication numberOT-2026-000023290 · never reused
Internal UUID01a0ae70-7267-7bb5-bb05-416d09b3b3ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023290
StatusPUBLIC

Content hashes

Canonical text001a781484a0a5b6b1a5cb8211494ca6130e69ecd24942cf73b99465dc8e0a33
Markdownc19d25aca47a3b21b82f89265305cf3e471ecce3173b7d58c3617a5a46089a0d
PDF
Publication page4c1f7bc6368e50d84032067049e3f795b9f16af5908ade1c4a3682ff1647b797
Manifeste560ee0ecb50efd7432cef0181e9c23ac02f976abe698c5c477d737146e46655

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
SignaturesThG3Nh22JUIUb7WWBUdjHaLpcTPcYG/Rh4XYml+TaqiJt/G6F/p9hCvL/RpwouWuLMRYRcgJKboUIMXwCHRDg==
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

2026-09-17T11:51:22.112380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023290
observed 4c1f7bc6368e50d84032067049e3f795...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:22.096253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023290/manifest.json
observed e560ee0ecb50efd7432cef0181e9c23a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:22.079617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023290/publication.md
observed c19d25aca47a3b21b82f89265305cf3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:22.062200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023290/publication.txt
observed 001a781484a0a5b6b1a5cb8211494ca6...
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.