OpenTechnical

OT-2026-000084271

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, 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-2026-000084271) never changes.

Identity and time

Publication numberOT-2026-000084271 · never reused
Internal UUID01a0ae98-5b60-77f8-9f1a-cae161b413ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084271
StatusPUBLIC

Content hashes

Canonical text435dd95813b996c37a66e29c180985957e7102c7cc66f9bbc6eae07e535f460a
Markdownc590a2aacf1a21322b0451ae43f813da3eb8f0ef64f20f0abb30060d136fcbe6
PDF
Publication paged1925d378addcac0110b77dfc20504a292648af5a9c7564c28db6cb426f24b19
Manifeste8208f988dcc48c71e105a5c4ab1798140bf86bf6a13b1b8ca790b2e120d4dd7

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
Signature3g7VcxX/guQXqLnDqt6rF1AjrUxRB9zC8WaNEY6bfqMeGt25YlTnEAZSqwm/ksH5UbqE2TB5X6Plr6D5mQsYDQ==
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

2026-09-17T09:56:11.260343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084271
observed d1925d378addcac0110b77dfc20504a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:11.240200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084271/manifest.json
observed e8208f988dcc48c71e105a5c4ab17981...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:11.219229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084271/publication.md
observed c590a2aacf1a21322b0451ae43f813da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:11.200287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084271/publication.txt
observed 435dd95813b996c37a66e29c18098595...
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.