OpenTechnical

OT-2026-000089149

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000089149) never changes.

Identity and time

Publication numberOT-2026-000089149 · never reused
Internal UUID01a0ae9b-db00-7ac8-8a80-0d8c2cf36670 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089149
StatusPUBLIC

Content hashes

Canonical text7e0542a45330364e37f62be595b4513ff9b66f4764f3cddc9ab666fb376d0c31
Markdownf8e9381bdaa9e3fda09071653694e160361ec5253d149edd4a0cf50201696583
PDF
Publication pagec5f40cd3229a8d8b901204a2b35527ed986f0302354e30949e4afb646c7be27c
Manifest56e0f3703579ab4546e63f7efb7afddcc3c5d883bc79230694e45989eb644187

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
SignaturewW991uv0Rts74Xa/G5DtZ/Mwmzerwcn9NdyzdI2fxCIhboa/b430PZkEZqMpkXT60QnQpaGLO7Bc3L0lFjEVAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:47:04.330050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089149
observed c5f40cd3229a8d8b901204a2b35527ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:04.311866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089149/manifest.json
observed 56e0f3703579ab4546e63f7efb7afddc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:04.294542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089149/publication.md
observed f8e9381bdaa9e3fda09071653694e160...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:04.277267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089149/publication.txt
observed 7e0542a45330364e37f62be595b4513f...
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.