OpenTechnical

OT-2026-000033471

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six 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-2026-000033471) never changes.

Identity and time

Publication numberOT-2026-000033471 · never reused
Internal UUID01a0ae75-a38d-7718-b82f-444333dc0601 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033471
StatusPUBLIC

Content hashes

Canonical text63ba7ca4bdffd0e3460a1314047507c059c5a4febcefad63fa2e1d6415b86ad8
Markdowna102ea8872daf8a274c1ac4a36905bb91fd56cb7d0bc39a7a1b937c5931e8908
PDF
Publication page4a44377cfdea4b35bb379ebc6aba3e54a391d6323497c12e54505a1c4dbfea58
Manifest761b453c087119c39e97479ada493bd869a24f42e64efd5b01c9a6826216a23a

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
SignatureW6o8mH5Qs5ib/bCxD0sdfslzI0uuSyXCgm1k3NMep2StpD8qwd2BFaPZWN4dd23GKf0ZQScZkFYM4OlaOpirBA==
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

2026-09-17T11:31:18.777326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033471
observed 4a44377cfdea4b35bb379ebc6aba3e54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:18.759531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033471/manifest.json
observed 761b453c087119c39e97479ada493bd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:18.742286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033471/publication.md
observed a102ea8872daf8a274c1ac4a36905bb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:18.724023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033471/publication.txt
observed 63ba7ca4bdffd0e3460a1314047507c0...
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.