OpenTechnical

OT-2026-000005834

Publication integrity record

Vacuum cup gripper, per zone isolation, two outlet manifold, pump fed, pressure verified, contact triggered

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-2026-000005834) never changes.

Identity and time

Publication numberOT-2026-000005834 · never reused
Internal UUID01a0a946-65c5-70fd-8e52-7e858ad29e20 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:12:38.216320Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005834
StatusPUBLIC

Content hashes

Canonical texta73a1f886b26bcfc30d6d0adacaafbadc8099a592bca8461ee20f0d785d7b93e
Markdownbf6edcf2aff10e228b1ec5e1ea8fa434a886323e7c2e0eca747a8b019bdaa719
PDF
Publication page332efb4d8ac542fb11436e1ac14cc3739b310d8803c138131372fd3f2cc9d05f
Manifesta63a16ee8a42383cc5a1ab810110ed8cea967667a54ea60dbbece7d4c2abaca4

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
Signature/4av5/m8Q0BrAzaFlqa+DuE4y97WuFbGiNXJS+JMQkF2MmT7vXFMNPPz7hUG3Uo29pt+6fqFUj1cvklCOvaDBQ==
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

2026-09-16T08:20:27.439268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005834
observed 332efb4d8ac542fb11436e1ac14cc373...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:27.425552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005834/manifest.json
observed a63a16ee8a42383cc5a1ab810110ed8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:27.412687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005834/publication.md
observed bf6edcf2aff10e228b1ec5e1ea8fa434...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:27.398301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005834/publication.txt
observed a73a1f886b26bcfc30d6d0adacaafbad...
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.