OpenTechnical

OT-2026-000086220

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, 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-2026-000086220) never changes.

Identity and time

Publication numberOT-2026-000086220 · never reused
Internal UUID01a0ae99-e82c-7924-b162-62b9f22606c2 · 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-2026-000086220
StatusPUBLIC

Content hashes

Canonical text91523b55e2073d885c26814aa6a012e54761096801188549fadbc07cc92b2d65
Markdown63f14bb3b87f88a59c94e10e173a4dc14b05a5592cb4a27b7b3f82c92e6faef7
PDF
Publication pageec250d9feb6a64ce4bcae44499c123a16efb829186eeb41737abdba33c5f30e4
Manifest2f2278806a08712384d0692068849b3ddcd4df379b29692407d34860fc1ce580

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
Signature5FJD9eo54ic4vtOnIiPfIF7tOo88ouU67HQZ76mbBZg3RpbYS4WyA/6MvIYdHgRbhH1H/KLm35OAl7IfrOYaCQ==
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

2026-09-17T09:53:54.293534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086220
observed ec250d9feb6a64ce4bcae44499c123a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:54.276897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086220/manifest.json
observed 2f2278806a08712384d0692068849b3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:54.259856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086220/publication.md
observed 63f14bb3b87f88a59c94e10e173a4dc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:54.241242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086220/publication.txt
observed 91523b55e2073d885c26814aa6a012e5...
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.