OpenTechnical

OT-2026-000068886

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, 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-2026-000068886) never changes.

Identity and time

Publication numberOT-2026-000068886 · never reused
Internal UUID01a0ae90-6dcc-7f5a-aa59-944fe3953d0d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068886
StatusPUBLIC

Content hashes

Canonical textb16d524f7ef96ecfc7c0f4d5248a4180e582601b1e97ed234aab6cb794bb3ff3
Markdowndfbd4cc537b6e93eaa12db6b25eb73a20706133d5ced07a23a2d744c90fc36fb
PDF
Publication page34a4083fc1285e92c3d00b9b2a1a4bda238198238c5e6bb5ba9353ee7a948da3
Manifestcfe8264dadd19960ea60c5b65ed50165f620d496c6cc35fe9b1a31a025671f32

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
SignaturecDoRbBGfVDmqmOge4d8UlEoHHoGzg026GAlNmMEDp3GHyjGSM6QO8kRrO6d1MGqPQSIxcOG8R8KBR3MvvtbNBg==
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

2026-09-17T10:28:42.233545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068886
observed 34a4083fc1285e92c3d00b9b2a1a4bda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:42.215138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068886/manifest.json
observed cfe8264dadd19960ea60c5b65ed50165...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:42.196493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068886/publication.md
observed dfbd4cc537b6e93eaa12db6b25eb73a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:42.177835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068886/publication.txt
observed b16d524f7ef96ecfc7c0f4d5248a4180...
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.