OpenTechnical

OT-2026-000079630

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000079630) never changes.

Identity and time

Publication numberOT-2026-000079630 · never reused
Internal UUID01a0ae96-0b92-7338-a268-d46a613a248b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079630
StatusPUBLIC

Content hashes

Canonical text3f8ea501600dfe25d317366233e3710e0656ce5a92a54649c0cdb38ac84a9117
Markdownc7fdf3315cf6a7ab689c407a37df6d47f4b5288a783bb13f00e50553c31b27eb
PDF
Publication page8836a431bdda8503dde623b86e0d41fee9308e403b0e084c404bc3af512282a7
Manifestc6285fa879b41b84fcc9f7b940cf2944d59d19c8138145c6b0715c652198d839

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
SignatureMDizMYS9rSVq61OJcZWC92pdQlsqYUTv5OTb48H7ELe+IpadreRJa0z1Lq7EN/5Kbqhv8YBFMbrbVXKr0nBOAQ==
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

2026-09-17T10:05:17.822589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079630
observed 8836a431bdda8503dde623b86e0d41fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:17.804714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079630/manifest.json
observed c6285fa879b41b84fcc9f7b940cf2944...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:17.786039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079630/publication.md
observed c7fdf3315cf6a7ab689c407a37df6d47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:17.767827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079630/publication.txt
observed 3f8ea501600dfe25d317366233e3710e...
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.