OpenTechnical

OT-2026-000021566

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

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-2026-000021566) never changes.

Identity and time

Publication numberOT-2026-000021566 · never reused
Internal UUID01a0ae6f-865e-7f78-8952-9b15e2df6650 · 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-2026-000021566
StatusPUBLIC

Content hashes

Canonical textc93610486960ffe5881cee8a1cb366f1a666ec077d4925434ffb6f8a3dc5bb78
Markdown3439c070b31ec9369064ef22350c510afb6d5a3a1fc30c50b17493ca55e7d932
PDF
Publication page62d5533bff12220c1f82cd7d142aa462cc3e274a92b208896c44a93fbe72a484
Manifestc156d835c064c3e2faa52803e4aeee31ae1734f748b16d47de97da30ee141c2d

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
Signaturer9R7DQWbSAHnApQY3VopCCIyA7/y3eaixFtlH/t3y/6xmj2uUp5Wf2n2V2fNjRGE0zSzGz1+ZsHp448iw3aeCg==
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

2026-09-17T11:55:29.265432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021566
observed 62d5533bff12220c1f82cd7d142aa462...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:29.247428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021566/manifest.json
observed c156d835c064c3e2faa52803e4aeee31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:29.230825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021566/publication.md
observed 3439c070b31ec9369064ef22350c510a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:29.211679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021566/publication.txt
observed c93610486960ffe5881cee8a1cb366f1...
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.