OpenTechnical

OT-2026-000098992

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before 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-2026-000098992) never changes.

Identity and time

Publication numberOT-2026-000098992 · never reused
Internal UUID01a0aea2-8287-7dd1-94b0-5e71079ca898 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098992
StatusPUBLIC

Content hashes

Canonical texta6d4951dca294e63e0ce804fcf4564859d445ad78130ec847d09807bb9db6058
Markdownd0152e48bfce759dcb68b2ec219a168e77fb9026b10cb12cb207084d6ce11e60
PDF
Publication pagea152f1e63bd89cfd75b0ae13937a94d9947f41a27d55fa3b5c64cdd2c8b8a011
Manifestaa8538932c2b155daabe86fd54470834d0df473660a1030521bb2b0f674d9b63

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
SignatureJ7OY3jG5T1zg3qfPXrWfgBT4CBPB4PxkwRrPgvtRrxxN+lUFDo9yl05qKMlXeh2EzIslWJTsdHMY+3VFk+BiCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:04.390520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098992
observed a152f1e63bd89cfd75b0ae13937a94d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:04.374579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098992/manifest.json
observed aa8538932c2b155daabe86fd54470834...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:04.358577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098992/publication.md
observed d0152e48bfce759dcb68b2ec219a168e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:04.342062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098992/publication.txt
observed a6d4951dca294e63e0ce804fcf456485...
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.