OpenTechnical

OT-2026-000085909

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, sustained blow-off before set-down

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-2026-000085909) never changes.

Identity and time

Publication numberOT-2026-000085909 · never reused
Internal UUID01a0ae99-e82a-72e1-937e-06a121620f93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085909
StatusPUBLIC

Content hashes

Canonical texta3b81f10254a5962407d97e8e1882cb18c6d0e1f14f33afe2d0d5581353d5f7e
Markdownf651cff2b29f840a76bfc70042344749b296b279ebc9f857eb20fac6aa098387
PDF
Publication page781c441b5fa326c8d22af10027570cf7cbbe7c878ae4ac6c5ec7ee1211968f40
Manifestcf2727e6f0655e35743f51b7d5bc3f7c04214e601096e16742d363f3eaaf2772

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
SignatureBMWQAJkMr2oUF7gc5OJI3qftQydidFjZC3c4piZfA/4gwt25fdJX7dmY/nyJb/kKa0KoZYc7xQSV+2PYVr0GAw==
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

2026-09-17T09:52:51.316670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085909
observed 781c441b5fa326c8d22af10027570cf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:51.297911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085909/manifest.json
observed cf2727e6f0655e35743f51b7d5bc3f7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:51.280613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085909/publication.md
observed f651cff2b29f840a76bfc70042344749...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:51.263123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085909/publication.txt
observed a3b81f10254a5962407d97e8e1882cb1...
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.