OpenTechnical

OT-2026-000067051

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, 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-2026-000067051) never changes.

Identity and time

Publication numberOT-2026-000067051 · never reused
Internal UUID01a0ae8f-14fe-77f8-a527-9bd01cbf3214 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067051
StatusPUBLIC

Content hashes

Canonical text3b30dce6cf2dc46652e2c2d908f2a6a207c105da7837301ba128904a51b1ccbf
Markdownb89d1085f58b053a8d6e59a2da597599250ecee228bf75e022e08e6e74f54d49
PDF
Publication page127b4c4dc33775640b56a4d80ec2a5b8c3c10b940aacf4a7f91f35002d355dd0
Manifestce7f74e099c005562895c2f5661f010cc5603a737184f64948f322f208cd033c

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
SignaturefLFWwee+NFWMFH9y2fmZKsDVH+UA4OZQpAunGmw/mqD2k2e4EaYnJWUUBR0esNzSSlrBitxNUxbH3Wq+WaVXDg==
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

2026-09-17T10:32:18.348452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067051
observed 127b4c4dc33775640b56a4d80ec2a5b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:18.327423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067051/manifest.json
observed ce7f74e099c005562895c2f5661f010c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:18.311101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067051/publication.md
observed b89d1085f58b053a8d6e59a2da597599...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:18.290076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067051/publication.txt
observed 3b30dce6cf2dc46652e2c2d908f2a6a2...
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.