OpenTechnical

OT-2026-000065935

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, pressure sensor per zone, pulsed 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-2026-000065935) never changes.

Identity and time

Publication numberOT-2026-000065935 · never reused
Internal UUID01a0ae8e-8dc1-7345-91ac-a7ef96ec5f93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065935
StatusPUBLIC

Content hashes

Canonical textcfd8f38239bbe1f371ddd7df8d533325348fe17aff0f36906d736bf31e9f5c1e
Markdownc199778ea33144c84c2611937830a51e606f8038ff47995fd4e476c28fef8cbc
PDF
Publication page3ef2361531aab0131a31eeb9d8b7a69c68315ce9988ba9e460191b32060a3ecd
Manifest68c16ee9557772cccf16b6cefebda8c6584132b3a14c45ecda3731b83b354e49

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
Signature7eXCcXS5HI3XGh8UbnBFG6x3/kUf5VHhA6JZ8Mb+FA42hA9XohTqxyrA7BWZ2Bn6N+9vRmrMd1RdLe5+vC3GCQ==
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

2026-09-17T08:50:13.280757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065935
observed 3ef2361531aab0131a31eeb9d8b7a69c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:13.261018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065935/manifest.json
observed 68c16ee9557772cccf16b6cefebda8c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:13.086106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065935/publication.md
observed c199778ea33144c84c2611937830a51e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:13.062476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065935/publication.txt
observed cfd8f38239bbe1f371ddd7df8d533325...
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.