OpenTechnical

OT-2026-000045175

Publication integrity record

Two cup vacuum gripper, two zone face, two stage ejector, pressure sensor per zone, 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-2026-000045175) never changes.

Identity and time

Publication numberOT-2026-000045175 · never reused
Internal UUID01a0ae7c-f769-7621-894c-302cd1326869 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045175
StatusPUBLIC

Content hashes

Canonical text7c7397fec750f141eec50402f13dcc1fad15f7de649f9275340c6c2428147821
Markdown0c636a5ed4d5376d6e52140bc7202b7f23f597bad2d03c813f8ff1004436999d
PDF
Publication page5593c453f957d4a96cfd83cc7d86bea483288787dbbf67bb2c53a64292f85417
Manifestf1ca925fbabf3af94a7384cf33a03252ca0f0a17a43faccd493132465d9c9def

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
SignatureKiAbHPZY5n/XVZIgUcX5Xvngd23Z/iRwCR8jcJ2jshR8oBvXbJ3HBponLp8QQVq8NoG88Cj6GiE0ijugQtjVBQ==
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

2026-09-17T11:10:20.460298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045175
observed 5593c453f957d4a96cfd83cc7d86bea4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:20.435506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045175/manifest.json
observed f1ca925fbabf3af94a7384cf33a03252...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:20.410014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045175/publication.md
observed 0c636a5ed4d5376d6e52140bc7202b7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:20.390790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045175/publication.txt
observed 7c7397fec750f141eec50402f13dcc1f...
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.