OpenTechnical

OT-2026-000085822

Publication integrity record

Four cup vacuum gripper, four zone face, three stage ejector, 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-2026-000085822) never changes.

Identity and time

Publication numberOT-2026-000085822 · never reused
Internal UUID01a0ae99-e829-7972-bd81-97e543c23c6e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085822
StatusPUBLIC

Content hashes

Canonical text270996e79b13c892a2e652a793a29b65d62cbe043970cbd5257f0108304ebda3
Markdownc2a6fc9b741c0d002c7a3e30c47a3db61b3ccc6fac8015ec7a2bd4f9349df7cf
PDF
Publication page2b6914c9f4182ef98e6ebffbecf3dd0e8c739c2d837e5ac0ef3b671669c3447f
Manifest040e44491a5ac176a2d8fa48d67117678b0e1f60b462c9c687c72858f05dc222

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
SignaturevO1vf1vRitG4aAB0KZnqxJu8oEZwU/9cNlN7hvqc49iGWkHJ6RiFV4msrtXQqnRdj2qNH9JCrzrHfOmN7Nt6DQ==
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

2026-09-17T09:52:44.610421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085822
observed 2b6914c9f4182ef98e6ebffbecf3dd0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:44.593577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085822/manifest.json
observed 040e44491a5ac176a2d8fa48d6711767...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:44.576393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085822/publication.md
observed c2a6fc9b741c0d002c7a3e30c47a3db6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:44.559338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085822/publication.txt
observed 270996e79b13c892a2e652a793a29b65...
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.