OpenTechnical

OT-2026-000076535

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, three stage ejector, pressure sensor per zone, 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-2026-000076535) never changes.

Identity and time

Publication numberOT-2026-000076535 · never reused
Internal UUID01a0ae94-6a71-72c2-bffd-8484768af917 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076535
StatusPUBLIC

Content hashes

Canonical text7e67677d0f6456b704a4d44a8d98d00f7dd14405c046479a69e02b1208623ae6
Markdown9fc36e317a8a11b0f0a077dda09617252eaa16e39255ba96e247acedca4612b5
PDF
Publication pagea201bc2760747e62e0e05dd10073641c2de4cfaa40fbe29da77e4be07023b264
Manifest08dc7408a1b09a742e5a6398da5c6788711774126efdeca25327c53dd06cf6ab

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
SignaturevpaTpWH9UmUJlJdrSDXXS6xTZCsur6QegYVEJWihySCaIX8PUmIodSZNhYyrPUJv/qt27JisVfoy9EV0a31uCA==
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

2026-09-17T10:12:53.454008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076535
observed a201bc2760747e62e0e05dd10073641c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:53.313269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076535/manifest.json
observed 08dc7408a1b09a742e5a6398da5c6788...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:53.294563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076535/publication.md
observed 9fc36e317a8a11b0f0a077dda0961725...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:53.275542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076535/publication.txt
observed 7e67677d0f6456b704a4d44a8d98d00f...
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.