OpenTechnical

OT-2026-000084229

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump fed, sustained 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-2026-000084229) never changes.

Identity and time

Publication numberOT-2026-000084229 · never reused
Internal UUID01a0ae98-5b60-76dc-992a-77d252a6947c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084229
StatusPUBLIC

Content hashes

Canonical text103b9216c88c2bb814adf74b7cbb99ca02eb8fe69177b8cc105055b4468159f5
Markdown0fa8b2522c004730f962a332013d72439f1e321d1c558cfe92430ac7e1abd7ce
PDF
Publication pagea3121949f7dc3dce5e242a079a5e93c5b52ab15e5deb2f1c65dd2c44dc50375c
Manifest7e7238d1f21fa61e10eeb297409181d53ed1500c20138efa8fbffd5eddc8685d

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
SignatureJFsvF9RB1S+BRrtbQUHdJ9O443W6RpQcxfF30Rt8YgQ+wE5clUXCgHbMHOUzMM4NJ3Dv0F3L+/v+ZV1uOKm0Aw==
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

2026-09-17T09:56:01.351657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084229
observed a3121949f7dc3dce5e242a079a5e93c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:01.333888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084229/manifest.json
observed 7e7238d1f21fa61e10eeb297409181d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:01.315094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084229/publication.md
observed 0fa8b2522c004730f962a332013d7243...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:01.296080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084229/publication.txt
observed 103b9216c88c2bb814adf74b7cbb99ca...
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.