OpenTechnical

OT-2026-000082122

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000082122) never changes.

Identity and time

Publication numberOT-2026-000082122 · never reused
Internal UUID01a0ae97-4d93-7b78-8051-61e1e503da95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082122
StatusPUBLIC

Content hashes

Canonical text298d6e4e0b71307b19ca9c3ce7d9cf0e2109f32cedd9378b1e8b522b17edd192
Markdown2d0bcb3c4141acb8c24029dcfe7f72b9420906e6dbcea28b5cc2cf3eb84eded1
PDF
Publication pagecb1159e7516289f9f9fdb507f6877667a4e1f009d996b9fc37a9e973fcd9bc79
Manifest000f0388f194584836413a844d738cfedef2a0cee63705dfff8a0db718915f9c

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
SignatureyutJmWI0nBoU4AbQaU0+AerL6o6gvK6C8dFZ1Xuz44q4a57fj+IDrE7oH2yA058qhzUpZmzNf5Eh8WKjlo1uDQ==
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

2026-09-17T09:58:56.170436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082122
observed cb1159e7516289f9f9fdb507f6877667...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:56.152403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082122/manifest.json
observed 000f0388f194584836413a844d738cfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:56.136692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082122/publication.md
observed 2d0bcb3c4141acb8c24029dcfe7f72b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:56.119806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082122/publication.txt
observed 298d6e4e0b71307b19ca9c3ce7d9cf0e...
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.