OpenTechnical

OT-2026-000008398

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000008398) never changes.

Identity and time

Publication numberOT-2026-000008398 · never reused
Internal UUID01a0ae6a-e469-79f4-9dc0-e071782ad34c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008398
StatusPUBLIC

Content hashes

Canonical textc41f8cc60d45fcb0b0aae30ea90e1dd7de2b88ab6d8b78ab08c0f21c55f3eea6
Markdown668878e6c919db279846bf3733f5c30adb7250111751dd8553bf0d68aee7d659
PDF
Publication pagebcfc30e8f657c78885f0fe4acf395847c1c954a6c55e9bafa46233d8670e7261
Manifest7ab379ba9615f66de4fc758656785ceb379ec55b3b97b758472e69da41d39f64

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
SignatureKzqSPxr/Gb4JMpokj1erNseJNsQXjD7W4/en1Ln/+VVk4STlIogjg1A1JTNa6fH8mLOswSjAp5fd2Gtix8ltCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:14.186694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008398
observed bcfc30e8f657c78885f0fe4acf395847...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:14.168087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008398/manifest.json
observed 7ab379ba9615f66de4fc758656785ceb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:14.148146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008398/publication.md
observed 668878e6c919db279846bf3733f5c30a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:14.127161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008398/publication.txt
observed c41f8cc60d45fcb0b0aae30ea90e1dd7...
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.