OpenTechnical

OT-2026-000018646

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000018646) never changes.

Identity and time

Publication numberOT-2026-000018646 · never reused
Internal UUID01a0ae6e-d520-7bcb-b77d-f8b7ee2db291 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018646
StatusPUBLIC

Content hashes

Canonical text01935b37b1357d76b19026324641b1e3e493c56b813a902e8c008ed3f0096427
Markdown1681db7d4881168dc59fa784699b5f2325c9ead3fea2c394678273606d38a92e
PDF
Publication pagee545f91a23e3b40a7111c74990fd95887c771d37f12a49c37f164dabd94a08cf
Manifest2dcc2d212c5e747484063c7864475137add8b212faff18edfe64ce7774eec34f

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
SignatureU8glQI8q7/y0vSuEoOZ2ecUsHZZ54aHtwNCex1yhDLHTZl2vUqDnRLKxx1jVsLvrlzR1/cfyEKBtEYZCDukyCQ==
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

2026-09-17T11:59:08.771547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018646
observed e545f91a23e3b40a7111c74990fd9588...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:08.753474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018646/manifest.json
observed 2dcc2d212c5e747484063c7864475137...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:08.735486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018646/publication.md
observed 1681db7d4881168dc59fa784699b5f23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:08.716815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018646/publication.txt
observed 01935b37b1357d76b19026324641b1e3...
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.