OpenTechnical

OT-2026-000072829

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, 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-2026-000072829) never changes.

Identity and time

Publication numberOT-2026-000072829 · never reused
Internal UUID01a0ae92-89da-7df5-b2cd-11057a0e3405 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072829
StatusPUBLIC

Content hashes

Canonical text9bb4369829602f34edc27768e66a3e4c869721fd2a3a13c529863ffe57fde8e0
Markdown2cf672110be3db4da7fe87a1a01a6e8019b200cd3a9aedb8d38547d85ee9a60c
PDF
Publication pagee4d868b6449080563388d71ed07728e2a80214c4af2859df8fb8ce212d3b20c5
Manifest9b910c13f4cd2f302cf5954d04cc2617ca5dc0ec43ab3281021932a5af6aa1fa

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
SignaturekNd+E6vHhgG5Ey5VZU3S/REmpoFFIgTjX3Cgjgutr5mE9ydsHJc7R5Jb+Lrianzr4Yyg/cLeJMEj+BhXsT+8CA==
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

2026-09-17T10:22:44.992008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072829
observed e4d868b6449080563388d71ed07728e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:44.973862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072829/manifest.json
observed 9b910c13f4cd2f302cf5954d04cc2617...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:44.955501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072829/publication.md
observed 2cf672110be3db4da7fe87a1a01a6e80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:44.938118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072829/publication.txt
observed 9bb4369829602f34edc27768e66a3e4c...
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.