OpenTechnical

OT-2026-000083703

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, 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-2026-000083703) never changes.

Identity and time

Publication numberOT-2026-000083703 · never reused
Internal UUID01a0ae98-0416-795d-a2ed-c52753236c5d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083703
StatusPUBLIC

Content hashes

Canonical texta39a7dcbb92a3899b464bcdf03fa6122299a257d34e7e7db51d58a7f1dad77f0
Markdowncaf1270d0b85151750b0961fa094d5121352d5c3281c9a0fd9d7749101f1c406
PDF
Publication page1446abf74342a2fa765d7c44f52b2bebd02d9bd2ce576ec243a671fd32726348
Manifest77a94255def5c3f235c7978bb341b24ca56ccc58998b1e766e884c2e82f7acf8

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
SignatureK+gsrWi4VdwhPuoGnExlhKXz6VBr9/6IFxMEgfl0z2i1ONNCQYbWJMzUpNKZ438YkeE44rsj50dEUdAp+RZLAw==
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

2026-09-17T09:57:19.922192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083703
observed 1446abf74342a2fa765d7c44f52b2beb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:19.906496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083703/manifest.json
observed 77a94255def5c3f235c7978bb341b24c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:19.890374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083703/publication.md
observed caf1270d0b85151750b0961fa094d512...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:19.875103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083703/publication.txt
observed a39a7dcbb92a3899b464bcdf03fa6122...
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.