OpenTechnical

OT-2026-000103998

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000103998) never changes.

Identity and time

Publication numberOT-2026-000103998 · never reused
Internal UUID01a0aea5-15e8-7421-9b3f-f080cf164efd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103998
StatusPUBLIC

Content hashes

Canonical textd507cf2a3dd86e825485348e37c7892bf1887e000e8e3921fe8ec78d7fb2b25a
Markdown0bcb3bc51825d29dc5cfb2d7bd5ca0f8551eb20970b1897d03ced0e52a063b80
PDF
Publication page194e183d20cd779406bdf78b84d1009f6733b50cffc83acb0694f592dbf44727
Manifestb559f1107f969481c19e60c76830fae35a8353ccbd78bd02e7ceaa98edd7de5f

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
SignatureCRNdtslYxGhQO1cf5Bn+PistF+Ap/NchzRI0rMucuoUAbea33y0JOQnOMEPJDdUZafv5O8zyaCxZgzdwqCMlAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:00.337258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103998
observed 194e183d20cd779406bdf78b84d1009f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:00.318484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103998/manifest.json
observed b559f1107f969481c19e60c76830fae3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:00.301135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103998/publication.md
observed 0bcb3bc51825d29dc5cfb2d7bd5ca0f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:00.282692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103998/publication.txt
observed d507cf2a3dd86e825485348e37c7892b...
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.