OpenTechnical

OT-2026-000023285

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000023285) never changes.

Identity and time

Publication numberOT-2026-000023285 · never reused
Internal UUID01a0ae70-7267-7313-885b-68edd052cac1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023285
StatusPUBLIC

Content hashes

Canonical text02c35e578d6166dd14263840fe2c4dbdadbde1ee79c2bd911c763ea64652e9da
Markdowna8852e08085e55656f5ff07430e20a9ae5118d7b6e52c348c7be7814988970cb
PDF
Publication page3b688611ebd63e8ae345df67d153811bb177311e556557ca6e4cab4fa452e2d5
Manifest0045a4c70927a2453626ed181249cd6547403eb021a9c1314c44951e14a25a6f

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
SignaturenM5xx6LZhP/IxbmnVa28n49p3E7ZHb/ru8p16jrtqxFYPk1BGSg8TaF248KGLgmNJiMQ9bdaHALU7gZqp33iBw==
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

2026-09-17T11:51:21.733571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023285
observed 3b688611ebd63e8ae345df67d153811b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:21.715962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023285/manifest.json
observed 0045a4c70927a2453626ed181249cd65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:21.697497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023285/publication.md
observed a8852e08085e55656f5ff07430e20a9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:21.678074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023285/publication.txt
observed 02c35e578d6166dd14263840fe2c4dbd...
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.