OpenTechnical

OT-2026-000076361

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, 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-2026-000076361) never changes.

Identity and time

Publication numberOT-2026-000076361 · never reused
Internal UUID01a0ae94-6a70-7399-8d7a-d47921e083b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076361
StatusPUBLIC

Content hashes

Canonical text4246a06b6616b4b74bd6bb78e699850bde6c0a8c80f9655cd418caa9452f884a
Markdownc13989de62aa2704ee828e14bc23794b86e3e1b0bcfe88d4ee3df0e2cce7220e
PDF
Publication pagebdb86c8e92756e12b7c25d8fe6b52afd5ace79717a821cb43d21fe85b0b56da0
Manifest15d8508f11983648d6818f6fe6c09d2262bc20aa04f9be2a43b59e46b0544631

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
SignatureDomfwowwGTUH57MB9fqIDPj04+am5aEXgprIH9EzssQwQC1SdK1w1a8xMizTmJutXLqnJnrYRI0ZbcGLtWaGCg==
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

2026-09-17T10:12:13.601830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076361
observed bdb86c8e92756e12b7c25d8fe6b52afd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:13.583011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076361/manifest.json
observed 15d8508f11983648d6818f6fe6c09d22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:13.564386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076361/publication.md
observed c13989de62aa2704ee828e14bc23794b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:13.545668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076361/publication.txt
observed 4246a06b6616b4b74bd6bb78e699850b...
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.