OpenTechnical

OT-2026-000050468

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000050468) never changes.

Identity and time

Publication numberOT-2026-000050468 · never reused
Internal UUID01a0ae82-5c48-73e1-8beb-c5ac9cb3546d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050468
StatusPUBLIC

Content hashes

Canonical text9575a8958349e840b6899f7a772114437884f705acc3097074083b351b92666d
Markdownfc3ac2e92247755a8aa2d99c3112451f9769461b8aca5a25c7093c538e1948d5
PDF
Publication pageaba4453af1dd59fb98d41de693f61349bd08b32d72701aafa79faca7c40659d6
Manifestaafdf7b88871192b490225ae23539185c4744d5940cc30788146bdd7ea12d1f0

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
SignatureRyR7pv4vtBlNHVrB0Zy7DELSaGefGdS1MXb7oq6Vw0B4o7ntL+OkgUJVjjBO1McbqCeR3SIiD5Ve7T7mxlUGCA==
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

2026-09-17T11:01:31.206630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050468
observed aba4453af1dd59fb98d41de693f61349...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:31.191334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050468/manifest.json
observed aafdf7b88871192b490225ae23539185...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:31.173564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050468/publication.md
observed fc3ac2e92247755a8aa2d99c3112451f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:31.157232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050468/publication.txt
observed 9575a8958349e840b6899f7a77211443...
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.