OpenTechnical

OT-2026-000067751

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum 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-2026-000067751) never changes.

Identity and time

Publication numberOT-2026-000067751 · never reused
Internal UUID01a0ae8f-c4fa-7095-82b4-26614d84fa11 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067751
StatusPUBLIC

Content hashes

Canonical text8dbbd9301aa251f142b7443d889ab48a77c0c9120394130edb9ab435e8985ee5
Markdownc94af259686cd2252642b423c40822dcac94bead01b82cbc4eee92ff130d646e
PDF
Publication page716c8d1e242a953cfb1a5e486c5e5e8cb1548fca3d935a46a6aab496fd6b3380
Manifestc9f9182afb85b0a3e096cc529fc6a6957d675ebd40eba4411ee31078f8045fb1

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
SignatureAiPFe+XZ0sIwMX/OS2ZV1lGWjF1Vvtz30bSmGAWRKp+YpqPGRpof5U8xAEdHwgIB+PshczJhi1q1XKOItVBWDg==
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

2026-09-17T10:29:58.579412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067751
observed 716c8d1e242a953cfb1a5e486c5e5e8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:58.562069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067751/manifest.json
observed c9f9182afb85b0a3e096cc529fc6a695...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:58.545260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067751/publication.md
observed c94af259686cd2252642b423c40822dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:58.528420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067751/publication.txt
observed 8dbbd9301aa251f142b7443d889ab48a...
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.