OpenTechnical

OT-2026-000091667

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000091667) never changes.

Identity and time

Publication numberOT-2026-000091667 · never reused
Internal UUID01a0ae9d-43b8-748c-83e7-964db54deb16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091667
StatusPUBLIC

Content hashes

Canonical text2cd6337a131d362eace9fa28599944837b0615f9bab9d7dd9d5dcf5c410f662b
Markdown7a0fa20393e652e8cf165ad0c4a74b83ecb67c70e1b83b78fc37db4679fa4cd3
PDF
Publication pagedfd8baeccb8e2626ed5ff9f1d0c911f2580f0316be7d0c3f72d1589602cf3da6
Manifest7f9ac16f98ed541111e7e250de7f08c8b2e3acd7e91ecfed1d4f348f1244d9c6

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
SignatureneiZk6RfsHUQWSbKAK5TLOEBWW4jhNdLvlJbpm/iDHL1m5AFOp3W7hrHy+6aDICu2nnBB6GTnc7t7HkUhc8eDA==
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

2026-09-17T09:42:02.681845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091667
observed dfd8baeccb8e2626ed5ff9f1d0c911f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:02.664637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091667/manifest.json
observed 7f9ac16f98ed541111e7e250de7f08c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:02.645933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091667/publication.md
observed 7a0fa20393e652e8cf165ad0c4a74b83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:02.628208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091667/publication.txt
observed 2cd6337a131d362eace9fa2859994483...
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.