OpenTechnical

OT-2026-000085413

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six 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-2026-000085413) never changes.

Identity and time

Publication numberOT-2026-000085413 · never reused
Internal UUID01a0ae99-aaab-7ee1-8f09-04c2d90b063d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085413
StatusPUBLIC

Content hashes

Canonical text77135e0f000ce0493be41fe833178b10f1983f1cb5032de99693bb836d97367a
Markdown2f2a1790433d9153a8f23c94eb992db1480ab4556532891fe36bf421fd29fb8e
PDF
Publication pagea075d1d8546b81cdb54e8708be218ab86604fa91bd97922e939ad9348eb85d1b
Manifest5c654b8db042b883f5565f3fd0c090708558d34f014bef357791a474319548c2

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
SignaturehvJTiNHK/kKTAwY3xw875ARELuPOgnEGfM9e4yUutmDC6LGPsZ6/7djXvZwvpcSw4IuIrm2W4V+Qr4zW9HZRDg==
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

2026-09-17T09:54:11.147185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085413
observed a075d1d8546b81cdb54e8708be218ab8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:11.128183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085413/manifest.json
observed 5c654b8db042b883f5565f3fd0c09070...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:11.108197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085413/publication.md
observed 2f2a1790433d9153a8f23c94eb992db1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:11.090353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085413/publication.txt
observed 77135e0f000ce0493be41fe833178b10...
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.