OpenTechnical

OT-2026-000050087

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000050087) never changes.

Identity and time

Publication numberOT-2026-000050087 · never reused
Internal UUID01a0ae81-fd79-7f9b-9b3f-24ef4651783f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050087
StatusPUBLIC

Content hashes

Canonical textff07fdbad8c1f8fc01e4f0286fa8197c2a9420c5f48399c488a0a6277772a6b1
Markdown448b9ca599f861829c87ced365cd00edf18851d4da152fec5ed6b34fa65f2a83
PDF
Publication page6f4aaa46ae6a7a9357d7ef1c0d6d2d43b04714ed2beaddcda8ba0059e326c104
Manifesta44558fef1fe8cf9b189b3b50425d45fe758a38aae5790f98e6a500b5ee12c7a

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
SignatureFK7CAvapLFbxxMOqtrPU0FkekR9CSFSptqNUmde0kdvvnctNBAPz+yYNWUkhxMC6Vh9x00mWAXG1xuQuRWjxCw==
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

2026-09-17T11:02:05.007562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050087
observed 6f4aaa46ae6a7a9357d7ef1c0d6d2d43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:04.988195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050087/manifest.json
observed a44558fef1fe8cf9b189b3b50425d45f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:04.970437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050087/publication.md
observed 448b9ca599f861829c87ced365cd00ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:04.950112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050087/publication.txt
observed ff07fdbad8c1f8fc01e4f0286fa8197c...
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.