OpenTechnical

OT-2026-000081517

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000081517) never changes.

Identity and time

Publication numberOT-2026-000081517 · never reused
Internal UUID01a0ae97-0f70-7c23-9967-1807e45df5ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081517
StatusPUBLIC

Content hashes

Canonical text8af076876d886801a7bf549fdcd2565f089ad30a21c7d8b5369561f95a8d7449
Markdownb5d9e6a98cbd1ab5807bb95ceac59e9886e80a512773cf20d16c2cf35d360604
PDF
Publication pageda9ab5ead4feea87a0568bbad39da17fcd7773f60f6f43b1065d32ab2b316e21
Manifestca4cdb0be0a76185c6ea0d6649c4ceb48139d99b58b3dcd85262c438e21787dd

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
SignatureYFS0XzNLi0isuJ9AZtJfcopd2xr7Xk6DIFfjDLLnMfvf173uslXqm5YsF5J4woF1V5LLCiecNWdkysBJXvaTBQ==
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

2026-09-17T09:59:32.036498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081517
observed da9ab5ead4feea87a0568bbad39da17f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:32.017631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081517/manifest.json
observed ca4cdb0be0a76185c6ea0d6649c4ceb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:31.999510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081517/publication.md
observed b5d9e6a98cbd1ab5807bb95ceac59e98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:31.980756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081517/publication.txt
observed 8af076876d886801a7bf549fdcd2565f...
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.