OpenTechnical

OT-2026-000088951

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, 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-2026-000088951) never changes.

Identity and time

Publication numberOT-2026-000088951 · never reused
Internal UUID01a0ae9b-8f11-77f0-bd0e-db02db992c10 · 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-2026-000088951
StatusPUBLIC

Content hashes

Canonical text10903bafd42fe2218d3702bf6cf00157289ddb1c76f1334ba32d8f44cd0ebaea
Markdownd466d55ea326a4647f8367f62a749df8ddaf7674b962fc487805b59024ddae53
PDF
Publication page6342fb409609eaa66613ad7ecb0a062ed312dfbc4a154a33bc4dce64a05b2f2d
Manifesteef9cbc676b685f7a7d6d43f2919fc2eba4699e30eb0b927d509998e0b35c408

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
SignaturesweaCf+18vMYURVpxaMIF5wNeZgIl2kOiAJgXCV/04sK6hW4TlH3JpNSJGejbbn6gP0t9m85x/trMmomv04bDg==
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

2026-09-17T09:48:21.814134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088951
observed 6342fb409609eaa66613ad7ecb0a062e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:21.796886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088951/manifest.json
observed eef9cbc676b685f7a7d6d43f2919fc2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:21.777487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088951/publication.md
observed d466d55ea326a4647f8367f62a749df8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:21.757771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088951/publication.txt
observed 10903bafd42fe2218d3702bf6cf00157...
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.