OpenTechnical

OT-2026-000090625

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000090625) never changes.

Identity and time

Publication numberOT-2026-000090625 · never reused
Internal UUID01a0ae9c-7f30-7c3d-9e8e-e63ba695a805 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090625
StatusPUBLIC

Content hashes

Canonical text6b89119e931aaa52c76990a879f9313dd7a74e844a7d065cebc62e2bb8cf44c0
Markdownb9ee4707ab34e5c14008477d02648d2de5dd24774d2b846826fdbc4dc178831d
PDF
Publication pagec26e5996923c33d573cfcd0832cbcdaedf1f4cb4a78994af20507341e62bead2
Manifesta93dd1b6d4484691354cce49db3adbbe58711c6c9b14b81fa4ff4d9f39ae12c3

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
SignatureiVVOFHdCFX1UBP+W9zVxQj9wiqi9pTzyUcu1hmT2SXVbUMuwNWrbamI+0uzN25J5O4KnHYDs5+SJ/3T3jesfCA==
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

2026-09-17T09:44:21.013588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090625
observed c26e5996923c33d573cfcd0832cbcdae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:20.996415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090625/manifest.json
observed a93dd1b6d4484691354cce49db3adbbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:20.978362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090625/publication.md
observed b9ee4707ab34e5c14008477d02648d2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:20.959367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090625/publication.txt
observed 6b89119e931aaa52c76990a879f9313d...
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.