OpenTechnical

OT-2026-000086198

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two 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-2026-000086198) never changes.

Identity and time

Publication numberOT-2026-000086198 · never reused
Internal UUID01a0ae99-e82c-750d-9f6a-dc54231f8af6 · 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-2026-000086198
StatusPUBLIC

Content hashes

Canonical texte2df76288e72708340c842fcd8e2765830c9983fa6516dc32749b04505b5be83
Markdown34818900fd31332b0ee94bb91e504ddcb6d68b8642a7f6b87de7fc279c4da9d9
PDF
Publication page46330ae11020d9790e5e9bc025fcf9c9fdf84a65f109bfe256efba999e7876a5
Manifestabbd2ef6cabf96324cb4c60a5a5430e6c51f015262b4002f7e47e5794047197d

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
SignaturetVVB+B0754THhYwHQULaGOyva4cm9+Q0rguh8LuBTIJQPBus6zHTYkC4mY0mTUXEg7Qrtg+ywU+n4YVnFCBzDQ==
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

2026-09-17T09:53:52.687311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086198
observed 46330ae11020d9790e5e9bc025fcf9c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:52.670830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086198/manifest.json
observed abbd2ef6cabf96324cb4c60a5a5430e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:52.652997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086198/publication.md
observed 34818900fd31332b0ee94bb91e504ddc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:52.637165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086198/publication.txt
observed e2df76288e72708340c842fcd8e27658...
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.