OpenTechnical

OT-2026-000030864

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000030864) never changes.

Identity and time

Publication numberOT-2026-000030864 · never reused
Internal UUID01a0ae74-3fb5-766e-a3b2-2be19da3eb49 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030864
StatusPUBLIC

Content hashes

Canonical text68a3016947bc6ec1b06cbaec818d95a967ee1855f10007762cef45f34da5f278
Markdown48e5b19a26d0ff3b7e2a192d446517507065c484d531385f67b8a2ebb8b0964f
PDF
Publication page134db44f94ec154a9d8994975ab43747a9ebd2c77970c60ab3c8bb41fff84805
Manifestc89af9da3731d13d96ae2c1f7cdb94c7b1719935cf7a13832e49dab86b9702f8

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
SignaturevxZTSPnCx9RLaoUP+zbR/wkE4Lq8Pfx/kcQDCtI4mhr5xI5ojA/DBV6meolF2TH3X+wxkdLFkJ3tVDdsSqeoCQ==
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

2026-09-17T11:36:46.657305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030864
observed 134db44f94ec154a9d8994975ab43747...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:46.640127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030864/manifest.json
observed c89af9da3731d13d96ae2c1f7cdb94c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:46.619006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030864/publication.md
observed 48e5b19a26d0ff3b7e2a192d44651750...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:46.598444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030864/publication.txt
observed 68a3016947bc6ec1b06cbaec818d95a9...
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.