OpenTechnical

OT-2026-000069261

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000069261) never changes.

Identity and time

Publication numberOT-2026-000069261 · never reused
Internal UUID01a0ae90-b528-73bb-bb54-e73ec6d0cf72 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069261
StatusPUBLIC

Content hashes

Canonical text97dc0f1d224484cd24fbfce2e86b474e63d9c2e12c8dd891e4baf645a5297357
Markdown1fe0c47dbedfb4fccc4528a9c16e22ffa0711d9c474c1404c41794b8b07c3948
PDF
Publication pagece8d93cc48dd3b5e9e5cf2d1f416d6c8944157c9e1bb82e2fdc298141845f336
Manifest2f97338f37b3e08097b66f8a1c94b8449e21e3ce414b2cc1614cca6893dbd4a6

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
Signaturej8uLYSAsX7jMQHqYYhrwKR8snRGhqJN56Zof4cpAR99SpJWABTV5+ar/RXMlGn9VNflJVEyIleSEiV7W6163Dg==
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

2026-09-17T10:27:20.525299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069261
observed ce8d93cc48dd3b5e9e5cf2d1f416d6c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:20.504025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069261/manifest.json
observed 2f97338f37b3e08097b66f8a1c94b844...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:20.485048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069261/publication.md
observed 1fe0c47dbedfb4fccc4528a9c16e22ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:20.467449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069261/publication.txt
observed 97dc0f1d224484cd24fbfce2e86b474e...
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.