OpenTechnical

OT-2026-000035867

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, supply line pressure sensor, 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-2026-000035867) never changes.

Identity and time

Publication numberOT-2026-000035867 · never reused
Internal UUID01a0ae76-b4c9-7e82-ab28-7f18b4ff041f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035867
StatusPUBLIC

Content hashes

Canonical textaf492618b019263582b3887fb6e3e0f8d41ff7ba957c42cef651a171726a485f
Markdownd1910674800ff37528abb943b9796475acc59f270ec465da43055f8546f8352b
PDF
Publication page89a50a5799373f93e8a78563afdb3dd269a92288ae87e64c99c4e42a24805311
Manifestfb429222d8c703c428ac30d0cca8761e0bb182cbf7e38f3e02baa3c0dc7d031d

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
SignaturexPc1m4+u2HxJQK9SpRPRiljKpg6ZNLO6re9bL8g1+rorpzFzbF4cOr8epz2KAJ1tylcRVJwhzzixoC2Vcnd/Dg==
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

2026-09-17T11:27:36.285616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035867
observed 89a50a5799373f93e8a78563afdb3dd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:36.268955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035867/manifest.json
observed fb429222d8c703c428ac30d0cca8761e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:36.251046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035867/publication.md
observed d1910674800ff37528abb943b9796475...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:36.232299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035867/publication.txt
observed af492618b019263582b3887fb6e3e0f8...
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.