OpenTechnical

OT-2026-000021586

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000021586) never changes.

Identity and time

Publication numberOT-2026-000021586 · never reused
Internal UUID01a0ae6f-865e-723b-a6d0-4b8792c1216f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021586
StatusPUBLIC

Content hashes

Canonical text64af87bf74f56608966add5c609cd15ab330afd8e2a3509724d616cf5d226332
Markdownaa30e474deb19ee1351cb6f6620ed04f7f79d52d17dd848007e56bd37256db84
PDF
Publication pageeeccf3c76d853397f37a4e32c6d79e0fba52dd21410d68f07095aef24723cf13
Manifeste97d710602d4d3f08b2c9828f766f29d380251a53bc46169083f855673942738

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
SignaturecUQj6fAiiygc7/Sp8HT+aTyGlsfMNE+ldOWV9UeeWy5ezzjs9gHwEs2rTzGj1Q+aocBbGp0YpOQ7gJ5VtQGKCQ==
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

2026-09-17T11:55:30.593818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021586
observed eeccf3c76d853397f37a4e32c6d79e0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:30.576616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021586/manifest.json
observed e97d710602d4d3f08b2c9828f766f29d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:30.560521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021586/publication.md
observed aa30e474deb19ee1351cb6f6620ed04f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:30.543577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021586/publication.txt
observed 64af87bf74f56608966add5c609cd15a...
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.