OpenTechnical

OT-2026-000013698

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000013698) never changes.

Identity and time

Publication numberOT-2026-000013698 · never reused
Internal UUID01a0ae6d-8de8-7c2f-a455-95ee88d4447d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013698
StatusPUBLIC

Content hashes

Canonical texte88f25bf369947a4636a435c222c816c488760016f5ec1832f9fea59ed3bb4ad
Markdowna0546a9836beb07ebef303481687ded2e3f55702c9608241ad88db2b8b64d0f2
PDF
Publication page13fa397152d56e0dbf2b26353456f0d577a391b5ce6b03b72a68715d01b933c8
Manifestf087305f8755ed725335bb5397f40130b1c7916ad66e4ff394dbde2998b38b7f

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
SignatureZRhTRbyiuHXOCf3dZ7TF6dXL0nIUo1L2DOIR+7kJbR04NACLLCMq7JzYICsydWCqDG2MT91CKFOOJnrlinuJAQ==
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

2026-09-17T12:08:39.188803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013698
observed 13fa397152d56e0dbf2b26353456f0d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:39.171057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013698/manifest.json
observed f087305f8755ed725335bb5397f40130...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:39.152343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013698/publication.md
observed a0546a9836beb07ebef303481687ded2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:39.131120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013698/publication.txt
observed e88f25bf369947a4636a435c222c816c...
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.