OpenTechnical

OT-2026-000023459

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, 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-2026-000023459) never changes.

Identity and time

Publication numberOT-2026-000023459 · never reused
Internal UUID01a0ae70-7269-78eb-bf8e-422bd360c2b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023459
StatusPUBLIC

Content hashes

Canonical textbb3391e313fb7c1d6d12530f835a553389e806497fb3827ccf082910cf99b463
Markdownf2c50fff16e112261fee3f5f84b23ca82ebecafd4ac29a01441f1025977e7017
PDF
Publication pagecb9c31f22f63476c4b260f48fdc1d2c3707fa613e5e8602c832518866345eba1
Manifest237b05c8132c44642631a9aa987a659d55d054b03d12c3bcda651fb8b5b6f143

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
Signature3KsG776nIzimjpVMvg54DHKAUTJXZrSjPblJLMamrQakEcJ+u6IR0OPvUxdQLDx3VQNRgWQqdwPa0QDxoYbABA==
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

2026-09-17T11:51:40.714312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023459
observed cb9c31f22f63476c4b260f48fdc1d2c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:40.697531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023459/manifest.json
observed 237b05c8132c44642631a9aa987a659d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:40.680811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023459/publication.md
observed f2c50fff16e112261fee3f5f84b23ca8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:40.664192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023459/publication.txt
observed bb3391e313fb7c1d6d12530f835a5533...
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.