OpenTechnical

OT-2026-000042091

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, 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-2026-000042091) never changes.

Identity and time

Publication numberOT-2026-000042091 · never reused
Internal UUID01a0ae7a-5d71-7818-b645-9ed717a262af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042091
StatusPUBLIC

Content hashes

Canonical texteb0d40de87e6af201770b8596626537f688ce412682f0cb03ff3a9fca2525cfa
Markdown3648198609f0fc6f0639e92cafc6069cc9382bf57593a809213d0435250e48f7
PDF
Publication pagedecd4f846ab271ddb48f692dd1efe58816df96297952f65f5ab5484a1ced245e
Manifest4615f3a9a1d75f93080788b72b1d8d5f3d9e9f38208b37dce9149ba7134d8834

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
SignatureA41XmAOXZI57bKkBHdMLaNIeftp1tMPaSxZalle615cMjKWVswVTwsKshH/rHgNc8DplyH4Da5va9g1oIW+XDQ==
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

2026-09-17T11:15:37.300007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042091
observed decd4f846ab271ddb48f692dd1efe588...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:37.282953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042091/manifest.json
observed 4615f3a9a1d75f93080788b72b1d8d5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:37.265528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042091/publication.md
observed 3648198609f0fc6f0639e92cafc6069c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:37.246917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042091/publication.txt
observed eb0d40de87e6af201770b8596626537f...
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.