OpenTechnical

OT-2026-000011539

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, vented 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-2026-000011539) never changes.

Identity and time

Publication numberOT-2026-000011539 · never reused
Internal UUID01a0ae6c-88ff-7109-9c53-055e080a30c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011539
StatusPUBLIC

Content hashes

Canonical textadebcecc7832680edcd5849302f42ed5e4efb1a644c9724721dafb02b507759d
Markdown08edf326a336c2b12abd413f7a3cfb607e10b5154741afef016c0a1d6300d04a
PDF
Publication page85efea3578c6ec0819d66e8987c320ce8422f08c3e401eaedab19f5c0db06063
Manifest95fb8f504141ff66aa9928b8889e6561c81251b70b3d77455e246fcba0978ec6

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
Signature73MEIm1f/j4WgNXBuAlZtFEwRM/QAlFtDufYYHVpg0T13ngE8uwJ+PBdLnYZX3wWaRp9K/sd834eFJiPAJAiAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:13:19.757776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011539
observed 85efea3578c6ec0819d66e8987c320ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:19.740008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011539/manifest.json
observed 95fb8f504141ff66aa9928b8889e6561...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:19.723051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011539/publication.md
observed 08edf326a336c2b12abd413f7a3cfb60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:19.703798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011539/publication.txt
observed adebcecc7832680edcd5849302f42ed5...
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.