OpenTechnical

OT-2026-000005863

Publication integrity record

Vacuum cup gripper, three zone face, plant vacuum fed, contact triggered, vented after set down

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-2026-000005863) never changes.

Identity and time

Publication numberOT-2026-000005863 · never reused
Internal UUID01a0a947-6492-7178-9439-7a9e06d8bc3d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:13:43.445165Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005863
StatusPUBLIC

Content hashes

Canonical textd2f057ba315db78022223d5e26045dd2f670a20b82bd1b77cdb53dede345f668
Markdowndeb123b426de3e10f00937948e4e291abceb3f18c2e2cd685424c2e71cb46535
PDF
Publication pagec0acb9dc3854906fc1389f8e170ac5c6d600df5d9a2daeecfa5e6f0ff958bbc3
Manifest212dd9a61dea29e03691f1ad4187a3d8b8d0cb41653f31cdce0dbc3f5c159573

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
SignatureEYsw5NLjxePGg08nZt62p9sQteaHt/jvqoSrkAeKLsIKwLwPD7mwPDWUAJjNOiPjehfBzUaqhWGwjDFi/fvdBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:24.172984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005863
observed c0acb9dc3854906fc1389f8e170ac5c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:24.158315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005863/manifest.json
observed 212dd9a61dea29e03691f1ad4187a3d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:24.143402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005863/publication.md
observed deb123b426de3e10f00937948e4e291a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:24.125393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005863/publication.txt
observed d2f057ba315db78022223d5e26045dd2...
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.