OpenTechnical

OT-2026-000084321

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single 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-2026-000084321) never changes.

Identity and time

Publication numberOT-2026-000084321 · never reused
Internal UUID01a0ae98-5b61-762c-93fa-9227c69bfd55 · 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-2026-000084321
StatusPUBLIC

Content hashes

Canonical text30cb49347be295ba53f5e422dbada572efe1793b9cf88069eaed407d4fc16017
Markdownd4f3133022c3366ccb6681aa32e773debf45c41d3a3ef94d2066d932270c4767
PDF
Publication page904afb2d23ba1d8c95ced92c9832d726769034419c85aa92df09ca29904f56d2
Manifest5165f00de21508dc8fd4d40202497260b78a4e42ab657baf4404f2ad344de651

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
SignaturesU/cRggF6s9HQYcEEGPei1nO4ldlhRq7LaPrgc4aFxL9w0NyY7KbiZ37ro5Y/5Z63DBCxkhv8Zi1njN0aYUpAg==
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

2026-09-17T09:56:14.787485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084321
observed 904afb2d23ba1d8c95ced92c9832d726...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:14.769679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084321/manifest.json
observed 5165f00de21508dc8fd4d40202497260...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:14.752462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084321/publication.md
observed d4f3133022c3366ccb6681aa32e773de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:14.736188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084321/publication.txt
observed 30cb49347be295ba53f5e422dbada572...
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.