OpenTechnical

OT-2026-000085229

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump 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-2026-000085229) never changes.

Identity and time

Publication numberOT-2026-000085229 · never reused
Internal UUID01a0ae99-43bb-7048-b76b-92c921b61602 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085229
StatusPUBLIC

Content hashes

Canonical text37b5184ae2a610f10abd35d63433ca82c2ebab30043b8a4491493b0b37e096d2
Markdownb8322b92be70f382d5f2ec163010d1b8c67fb3680a07c432a96c86dcb533217b
PDF
Publication pagefc1c8a0c633b80ed6ecff002e160cf992d40cdd25ddbeed7236c88e196a4789c
Manifest4024f263e3e24dc497a657d84623135b39053e82390b84795fcdf6095b0713f0

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
SignatureFUoRBuslJVGV5AJOg73rqzG/9w+wkggMI+ckXNuNH+ZwHDIqHnZZuiPIywksucoN8A6P5mrqECNgNjiDyy3jAg==
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

2026-09-17T09:55:19.552195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085229
observed fc1c8a0c633b80ed6ecff002e160cf99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:19.535578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085229/manifest.json
observed 4024f263e3e24dc497a657d84623135b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:19.518802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085229/publication.md
observed b8322b92be70f382d5f2ec163010d1b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:19.502804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085229/publication.txt
observed 37b5184ae2a610f10abd35d63433ca82...
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.