OpenTechnical

OT-2026-000019210

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, 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-2026-000019210) never changes.

Identity and time

Publication numberOT-2026-000019210 · never reused
Internal UUID01a0ae6e-f391-7aef-a0c4-177e07a192ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019210
StatusPUBLIC

Content hashes

Canonical text82cb3e5970c80749ad7ff63b947351cea13d7ea914d02a2f587ec61ed835a287
Markdown5679fd46ddd60661865916b7f42418d2cf9492947d6136258869511d6d61be7d
PDF
Publication pagedf822aebb3cc4ed876cb6b9d97eb03f3e42b5233e9e0c39d90fa9a9bbc974888
Manifest4ca4f4494f7e13f96c50bf52293ac1b7b4ff3823cc72850f1bdba458500a8e2a

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
SignatureulOijgp9wMqrpf8eieM+9q0eMNw5mCQTL5AEZiOwQVnxc4JYwAyYXMCRoXPxat3We7n4Fic5RRgDAPrDFsOrDQ==
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

2026-09-17T11:58:31.936651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019210
observed df822aebb3cc4ed876cb6b9d97eb03f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:31.921298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019210/manifest.json
observed 4ca4f4494f7e13f96c50bf52293ac1b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:31.904598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019210/publication.md
observed 5679fd46ddd60661865916b7f42418d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:31.887499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019210/publication.txt
observed 82cb3e5970c80749ad7ff63b947351ce...
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.