OpenTechnical

OT-2026-000082292

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000082292) never changes.

Identity and time

Publication numberOT-2026-000082292 · never reused
Internal UUID01a0ae97-4d94-7bf4-bf7e-dd7fedb598b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082292
StatusPUBLIC

Content hashes

Canonical textbe7e6606361f1c7ac664ffdba903a0268915cbf331ba97335c7ad98ee0a84794
Markdown940a15ed403db3b600b7c74270530262e029272e8c4e986b2cef01d70a61e571
PDF
Publication pagee7ce4d9d8221d9ebd0e33e0d23556a5982ed8abc56204a8b0781e85c66e59650
Manifest472033b35f2105387b26879b822d8e457fe4bb6dfc7911be1f7932f2f953bc35

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
SignaturesV8o+V3j80dBrTkPeYIIZ0ZpBCi91SiqikuP69yyzpQfWoRDYnU3EL42nGgOEbwgQYpp85UEZ/TwIeYrg8OaBA==
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

2026-09-17T09:59:09.141469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082292
observed e7ce4d9d8221d9ebd0e33e0d23556a59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:09.124866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082292/manifest.json
observed 472033b35f2105387b26879b822d8e45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:09.107960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082292/publication.md
observed 940a15ed403db3b600b7c74270530262...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:09.090357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082292/publication.txt
observed be7e6606361f1c7ac664ffdba903a026...
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.