OpenTechnical

OT-2026-000066639

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump 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-2026-000066639) never changes.

Identity and time

Publication numberOT-2026-000066639 · never reused
Internal UUID01a0ae8e-ce42-7fdb-9c01-980ff88737f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066639
StatusPUBLIC

Content hashes

Canonical text11f5071c2a15292dbe0eb38319785326b05a325841873b42f90b0299ccd9063f
Markdownffb50460ac209d118be38ba903b6d8da78c1d0bb8041722b03d624abda7ca709
PDF
Publication page05927a848abd3606362f142087ad6bcd00c853c06ec518aed1bbf7f0d93b727f
Manifest9620390245c5ae1d82dd8197f790521b0616cfecc377bbe66cdd474acc2152db

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
Signatureuq0jp5vNtiADo3eR5uGvqUyRa/qe73tEyk9vQlq9aApQnrDS93u9e03PvwTF73vk1srz53D7dZ2xDBltWEz5Dw==
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

2026-09-17T10:33:01.217040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066639
observed 05927a848abd3606362f142087ad6bcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:01.198843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066639/manifest.json
observed 9620390245c5ae1d82dd8197f790521b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:01.180596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066639/publication.md
observed ffb50460ac209d118be38ba903b6d8da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:01.162482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066639/publication.txt
observed 11f5071c2a15292dbe0eb38319785326...
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.