OpenTechnical

OT-2026-000090591

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, pressure sensor per zone, 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-2026-000090591) never changes.

Identity and time

Publication numberOT-2026-000090591 · never reused
Internal UUID01a0ae9c-7f2f-7984-833a-023e940fd786 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090591
StatusPUBLIC

Content hashes

Canonical textcba98c564668f1ce067faa142f64143e6668c419b6be6267324ee4f3a5a67d08
Markdownf086a5ee77f286fe2d4f9479c20e33c007b19561173ea12dbfc5dfba4e70c9f9
PDF
Publication paged8cd49ce4d2de67c452e1e57e0532078373cb071480c7993830843a776bed135
Manifest51e1fb69b4d6a916f98ad8d20c0fc671b03d3cd6a4673df4f0d6ad5d87541beb

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
SignatureZnAmcaPzy+fC/PIx0zRr3QSSYGe/JjmSlLhY6IEoj+HlXQ4VsERbwat1HAWGmnKT79/5ugUn0JPXAkHf7/efBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:44:46.529129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090591
observed d8cd49ce4d2de67c452e1e57e0532078...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:46.511640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090591/manifest.json
observed 51e1fb69b4d6a916f98ad8d20c0fc671...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:46.493620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090591/publication.md
observed f086a5ee77f286fe2d4f9479c20e33c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:46.477079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090591/publication.txt
observed cba98c564668f1ce067faa142f64143e...
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.