OpenTechnical

OT-2026-000005861

Publication integrity record

Vacuum cup gripper, common isolation valve, three outlet manifold, pump fed, 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-2026-000005861) never changes.

Identity and time

Publication numberOT-2026-000005861 · never reused
Internal UUID01a0a947-53b4-7a2d-b6e3-cd079c3ea993 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:13:39.127805Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005861
StatusPUBLIC

Content hashes

Canonical text01e7dcc555ed9cc0cb53e493ee5d06b8f9e52f7f1abaa5d34e63a57673382e9f
Markdown38ab2eb26e8687938cdda98ff3a981b4a68c3074f05b2d070c357809fc9dc974
PDF
Publication pageb6b16d5ce715f6cd6882e3de8124492d2eacc596c37fa434a5487bb3e5c2bfcd
Manifest78cb98dbd900b88ebb554f19df581b4275654ea396fc994c30120fcf84113728

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
SignaturevRBPzXt+VKOurIcONO+BpSgZ4uzLYHyAMX2blp+DZx9O5grQVSPAiyIP21i3zG+m6w4vKoahfyqIAEfFjYbVDw==
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

2026-09-16T08:20:24.416376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005861
observed b6b16d5ce715f6cd6882e3de8124492d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:24.403143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005861/manifest.json
observed 78cb98dbd900b88ebb554f19df581b42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:24.390722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005861/publication.md
observed 38ab2eb26e8687938cdda98ff3a981b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:24.375592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005861/publication.txt
observed 01e7dcc555ed9cc0cb53e493ee5d06b8...
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.