OpenTechnical

OT-2026-000029992

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, 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-2026-000029992) never changes.

Identity and time

Publication numberOT-2026-000029992 · never reused
Internal UUID01a0ae73-ac49-7eb7-afc6-446721a37823 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029992
StatusPUBLIC

Content hashes

Canonical textb32a71a7a9a3062aa08b625a3f6aaa4ae28bf06978f84815048196bcae7781b1
Markdowncd0a4f9e151c5b6e1410a57a370463cc447e95f489b21f04694adfb864567656
PDF
Publication page01abb2ed8db4d2a5c8571492fea176e6a0b956cac3f958af6859ad9fa52e357f
Manifeste6d2fc2206a417d2ead4a9b89109a97ad436e1624bbc83e517d2d7fcb508d653

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
SignatureLPCpSSB2SJBrr7APT5zgqsZH5Bdt/cvW/wTHYPNxpiZd/T/Luj3eWBafzKLzsOAEFcaAhF8iV/rtPhaPfTjsAA==
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

2026-09-17T11:38:43.118791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029992
observed 01abb2ed8db4d2a5c8571492fea176e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:43.099003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029992/manifest.json
observed e6d2fc2206a417d2ead4a9b89109a97a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:43.081311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029992/publication.md
observed cd0a4f9e151c5b6e1410a57a370463cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:43.064544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029992/publication.txt
observed b32a71a7a9a3062aa08b625a3f6aaa4a...
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.