OpenTechnical

OT-2026-000069387

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump 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-2026-000069387) never changes.

Identity and time

Publication numberOT-2026-000069387 · never reused
Internal UUID01a0ae90-b529-7db0-a808-06e9320454eb · 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-2026-000069387
StatusPUBLIC

Content hashes

Canonical text8e7f4c46d80293f3927a2a52dc841c4ebe54882b6766eca9ac7d7092c5605f47
Markdown6bd470dec8cf06160f0282f508bb83755a8c24c7ec905469249f2cf5d4a51b8e
PDF
Publication page98e4a9e5a66846eb141b1ec4d6cc0bcf1b5a5b2da7ce5ccaac8c1fcfa82c43e9
Manifest447eeb28b706483357a7ba53000a5e4c256af81f26191c29e6bc2ed3eabc0374

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
SignatureLgq6BVEPp+irsG9GdwZ2GVSShniOHt/+6F6WTYHXxGIrjXCrh1qDJpvk2njzIZs3M+vzbD4X3EbLqskWUQEmCA==
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

2026-09-17T10:30:18.601213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069387
observed 98e4a9e5a66846eb141b1ec4d6cc0bcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:18.584116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069387/manifest.json
observed 447eeb28b706483357a7ba53000a5e4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:18.566029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069387/publication.md
observed 6bd470dec8cf06160f0282f508bb8375...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:18.549214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069387/publication.txt
observed 8e7f4c46d80293f3927a2a52dc841c4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:59.079253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069387
observed 98e4a9e5a66846eb141b1ec4d6cc0bcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:59.063021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069387/manifest.json
observed 447eeb28b706483357a7ba53000a5e4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:59.046609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069387/publication.md
observed 6bd470dec8cf06160f0282f508bb8375...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:59.030767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069387/publication.txt
observed 8e7f4c46d80293f3927a2a52dc841c4e...
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.