OpenTechnical

OT-2026-000031411

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, 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-2026-000031411) never changes.

Identity and time

Publication numberOT-2026-000031411 · never reused
Internal UUID01a0ae74-87ad-7176-a9cc-885c83a30da8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031411
StatusPUBLIC

Content hashes

Canonical textcc7eb546f2ef9d541cebf256171cf2d54b1fb5c7bb9489a435b154df42ef77f9
Markdowne403576bb1551baa58046ae560faf22b24b5532de680e848f006379a020102ae
PDF
Publication pagef3c40290e5d915bd6ec55fbc170ec353fb9bb1239112a187f73e8b13bb084b2a
Manifestd000b1f8352795b60a5ae03bb51910e2c814f9d0cbdd19c5a14e338ed3de1f8a

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
SignaturenYyueThEaWbh/A3nJu9EYiU41pqi/6rBR8vqCc4I6zb5Z9pc1HDb93ICUMoQI6QT7aqLhiR9kB7w8JB7eGOHCg==
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

2026-09-17T11:36:07.589050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031411
observed f3c40290e5d915bd6ec55fbc170ec353...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:07.572762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031411/manifest.json
observed d000b1f8352795b60a5ae03bb51910e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:07.555915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031411/publication.md
observed e403576bb1551baa58046ae560faf22b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:07.536021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031411/publication.txt
observed cc7eb546f2ef9d541cebf256171cf2d5...
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.