OpenTechnical

OT-2026-000088891

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, supply line 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-2026-000088891) never changes.

Identity and time

Publication numberOT-2026-000088891 · never reused
Internal UUID01a0ae9b-8f11-76dd-8f9f-fcb2070dd449 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088891
StatusPUBLIC

Content hashes

Canonical text93910c87ac1e357dd2cc0a963139a038cbc698d70688b860d2900db637090070
Markdown41cf69c4f7fbf6a3837471e3544176e6fbbd094bb2ce4615fe9f06c09eefb287
PDF
Publication page318d7bc0bb046bc00858aee53feccd9267a28de847e09049a1a707a9c66a6471
Manifestc5ba280748a6ba3d36925d9b01962ea85687e9bae9b52a76c9b4d058e582e161

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
SignatureB/EdfN8mHoIu+fRkf1GW4rBuafjYhvTr1M9GS6qOAgz/+czs840UZFvZl9Z/Rzfo6MrrsRKGyAMMUF0OG2ZBAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:48:17.509202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088891
observed 318d7bc0bb046bc00858aee53feccd92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:17.491386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088891/manifest.json
observed c5ba280748a6ba3d36925d9b01962ea8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:17.474708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088891/publication.md
observed 41cf69c4f7fbf6a3837471e3544176e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:17.458082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088891/publication.txt
observed 93910c87ac1e357dd2cc0a963139a038...
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.