OpenTechnical

OT-2026-000004324

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, six outlet manifold, three stage ejector

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-2026-000004324) never changes.

Identity and time

Publication numberOT-2026-000004324 · never reused
Internal UUID01a0a914-0738-7120-b999-5ee4de524806 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:17:37.211169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004324
StatusPUBLIC

Content hashes

Canonical text4ed05570f506e9b81fd802d1395ce7a21cb4663eb2339a7aaacf9bdecc0ff062
Markdownce35d0c0f1e7f1f649a967d279c1901097fdbe69c64547df162b039ab30c61e2
PDF
Publication page400202153206245f3d84a119a82affa98898d0b3333b0a0b3bb3b7ff58bf2370
Manifest570358f06829a223ddb78d1f489b2b24c324a8eeebf6b36c8ea238c19541ba7f

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
SignatureoEsey5RhnRgX4xhIQp0kNJEL2GZrolz3taqn2yx7eHVECHvuE2pRIKEx2cRxtgLrZolPPpURZtihsNSZ4NZuBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:20:10.876795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004324
observed 400202153206245f3d84a119a82affa9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:10.738171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004324/manifest.json
observed 570358f06829a223ddb78d1f489b2b24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:10.724481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004324/publication.md
observed ce35d0c0f1e7f1f649a967d279c19010...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:10.711802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004324/publication.txt
observed 4ed05570f506e9b81fd802d1395ce7a2...
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.