OpenTechnical

OT-2026-000076590

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000076590) never changes.

Identity and time

Publication numberOT-2026-000076590 · never reused
Internal UUID01a0ae94-b06e-75cf-a2e2-46b41491cf31 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076590
StatusPUBLIC

Content hashes

Canonical text661354e88d14890120d8a9f6d385b37966908f1e59c83686b39b79e4ac38d30a
Markdown0e1654f6752a73b9587adbe515764b2ecf679afa5b8f7ab7c1e1746dee2d6628
PDF
Publication pagef0ef4c7c9191ecde499b21a9e71b99f3b49b675403701db81de548ac79eb65ad
Manifest3541bdcecba145266241e4ca50f1a29e2ddb585bc14e7b424f0c6c9631097460

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
Signatureeg+Wt+buBi1hV+7GxoO61TfMgIDr9GXrcZm5HUaNo696g8NNjwINywrZqINjZ372ASQfZkd4trw96d6VvwzsBA==
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

2026-09-17T10:09:18.899784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076590
observed f0ef4c7c9191ecde499b21a9e71b99f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:18.881925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076590/manifest.json
observed 3541bdcecba145266241e4ca50f1a29e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:18.862451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076590/publication.md
observed 0e1654f6752a73b9587adbe515764b2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:18.843146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076590/publication.txt
observed 661354e88d14890120d8a9f6d385b379...
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.