OpenTechnical

OT-2026-000027765

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000027765) never changes.

Identity and time

Publication numberOT-2026-000027765 · never reused
Internal UUID01a0ae72-a4a4-7398-9119-5b07dc74254d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027765
StatusPUBLIC

Content hashes

Canonical text696f85b8e39117662f6dfec3f896f1e9f8a37ac57fa8bc89d3b92e6ea658d579
Markdown7baebe894e4a9bae267a0feb6ce7b2dd9280c5ebadb6082f2bf61cc9c5fa8a06
PDF
Publication page51989bdf46daa61cbaccd88dd1376cf906f1fb39d42da442eb99aa678dc0dcc7
Manifestfda1e04c34af04565e4b59dd7cae07ae56da16fedfc1f1b1d6a230e567787e61

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
SignatureZk1uaAE+V5jdvfbifm39AYjlfXaeLXEN5rkR+RzBc/Vn9R74ToajGQBo9hCXCBpqDwXo3PqKE5Q2K1+xO00xAw==
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

2026-09-17T11:41:48.413334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027765
observed 51989bdf46daa61cbaccd88dd1376cf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:48.393251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027765/manifest.json
observed fda1e04c34af04565e4b59dd7cae07ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:48.373823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027765/publication.md
observed 7baebe894e4a9bae267a0feb6ce7b2dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:48.355162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027765/publication.txt
observed 696f85b8e39117662f6dfec3f896f1e9...
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.