OpenTechnical

OT-2026-000029323

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, 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-2026-000029323) never changes.

Identity and time

Publication numberOT-2026-000029323 · never reused
Internal UUID01a0ae73-5e20-76c7-a469-4f0033064150 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029323
StatusPUBLIC

Content hashes

Canonical textf077c3b15a21b2495a98cb7989cbdf3526b75257a7f502324cddfde9c86a8a8d
Markdown01ed4707f9694839d81c38b7636595779ca28629f77bcfd436027119b3ed0c1a
PDF
Publication page633c311dfc3b079207c8cb01acd29bad29ca180664982a8662423affbfc44c38
Manifest4a06addb5e60fa1d1a262f8cd3635da08cb5d9a2eeace9286a311426ef51c963

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
SignatureMTRlOqGmbXbBOW81aOpf1/aXZJBNT86OD2Ut586TGPv9k+GQOZM47bZQE1R0dj/7UHaxoQPJV8GsqHa9TR+uCQ==
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

2026-09-17T11:38:52.174533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029323
observed 633c311dfc3b079207c8cb01acd29bad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:52.158121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029323/manifest.json
observed 4a06addb5e60fa1d1a262f8cd3635da0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:52.140177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029323/publication.md
observed 01ed4707f9694839d81c38b763659577...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:52.121423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029323/publication.txt
observed f077c3b15a21b2495a98cb7989cbdf35...
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.