OpenTechnical

OT-2026-000014103

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single 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-2026-000014103) never changes.

Identity and time

Publication numberOT-2026-000014103 · never reused
Internal UUID01a0ae6d-8deb-7434-aeaa-5b3308af318a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014103
StatusPUBLIC

Content hashes

Canonical texta9bd087802c5ab01f5c7abf4504e11b1d0773ca87c4aeb9865484d0bd959d49a
Markdowne7922fe23f9e5910b9175343875da3f8ad25d6f298470a8498090b960357db85
PDF
Publication page490d2803ee51354bcd78cdda2774ff8b8f6b90bf54b2927e8fe48daf80f5f824
Manifestaad0bf94bf5cc82f7b7d3ea5f4291abe70c1c2914244ae1e0a9831b7780e9b20

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
SignatureLSrcJRWeFeIjdaxzLdPOeydI+0BjiNaqNi/6LnEzF9WERGgJLjp00EG/xIScsmA3umVg6hQzf8anFwXt5uCKBQ==
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

2026-09-17T12:09:21.677427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014103
observed 490d2803ee51354bcd78cdda2774ff8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:21.658968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014103/manifest.json
observed aad0bf94bf5cc82f7b7d3ea5f4291abe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:21.640073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014103/publication.md
observed e7922fe23f9e5910b9175343875da3f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:21.623208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014103/publication.txt
observed a9bd087802c5ab01f5c7abf4504e11b1...
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.