OpenTechnical

OT-2026-000068605

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, 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-2026-000068605) never changes.

Identity and time

Publication numberOT-2026-000068605 · never reused
Internal UUID01a0ae90-2482-7f7b-a8e6-95774e0b34e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068605
StatusPUBLIC

Content hashes

Canonical text4c37937a8ed4efc45f25ad6fd60a203e1b968c54de0756b3b7fae7fb1ac4fc53
Markdowne4fc070613ef930dbebbc143abd637fc09dd2c5512c97057645ee2ace3a1067f
PDF
Publication pagecca6a9fd2a7c8d1c357dadd0ebe5c8c8279b9cbee5add629035a120a3663da18
Manifestb75c8a8a9ec6b4f4223f6ae55285cc16860cea2885ff7384db330679b9d780db

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
SignatureKY7sVhvp3KOVTci8LbMnRYDS+i3+qhC/hCN1rxEAYJSg6IxFQx8YOxj3XuwsbIkMK7iaZarbkm0LfxE1RIZwBA==
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

2026-09-17T10:29:47.216744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068605
observed cca6a9fd2a7c8d1c357dadd0ebe5c8c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:47.199307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068605/manifest.json
observed b75c8a8a9ec6b4f4223f6ae55285cc16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:47.181501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068605/publication.md
observed e4fc070613ef930dbebbc143abd637fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:47.162973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068605/publication.txt
observed 4c37937a8ed4efc45f25ad6fd60a203e...
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.