OpenTechnical

OT-2026-000025571

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, three stage ejector, 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-2026-000025571) never changes.

Identity and time

Publication numberOT-2026-000025571 · never reused
Internal UUID01a0ae71-5fa8-7f3f-b086-153606637a00 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025571
StatusPUBLIC

Content hashes

Canonical text73fa8b02f29239d4d697ac4ccd2223565568dbd4790f71edb5725af3e700bc62
Markdown68f4a8b75ecb8f4098a5aa83ead9c9bf5a4593b81814550fc1f464b53a21c2aa
PDF
Publication page1c740c150f7ccce169e7b34cb5fd1444780c2f848ac8661e28c4042d29a112e0
Manifestb71f72cdf2beb3526f52a93288271de6f66d558aad693a24be421798dcba23b3

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
SignaturePqIVOu1zAGmp9P3KUgSoEE9QhT6Ug8gfSKmgQ1LNttL+oVak3/phr3jnpNpfOoPPHU+jRJYVaEJhZ9e24LETAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:47:43.850600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025571
observed 1c740c150f7ccce169e7b34cb5fd1444...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:43.830754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025571/manifest.json
observed b71f72cdf2beb3526f52a93288271de6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:43.808773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025571/publication.md
observed 68f4a8b75ecb8f4098a5aa83ead9c9bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:43.790247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025571/publication.txt
observed 73fa8b02f29239d4d697ac4ccd222356...
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.