OpenTechnical

OT-2026-000066123

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, 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-2026-000066123) never changes.

Identity and time

Publication numberOT-2026-000066123 · never reused
Internal UUID01a0ae8e-8dc3-7d0e-a6f4-e1c82f245483 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066123
StatusPUBLIC

Content hashes

Canonical text687e91d4b7e987de1e0770519439684b6b42c9bab199c647ff1aced54e830110
Markdownda04c9b4a4134c1493e27fb26657408fca9c6de48fed21360fea878b39623310
PDF
Publication page2a10435645f9382efd310ce93a939190cfaa34cbe70fef9462d21dba3d3fa6e6
Manifestd34cad3b105a3e011d8e4ca8ff30bba0e84953a50626452ebd6adc153774ef7b

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
SignaturePlq4ZUR+RbMmOlqTFUrbrQpsxvZ3SBHBsvXfsPgb0MPen9EgDzWWdeegIwQLwR6dTUSMSQTeBI+skjIUOvKFCA==
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

2026-09-17T08:50:59.095207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066123
observed 2a10435645f9382efd310ce93a939190...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:58.497168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066123/manifest.json
observed d34cad3b105a3e011d8e4ca8ff30bba0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:58.338335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066123/publication.md
observed da04c9b4a4134c1493e27fb26657408f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:52.074934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066123/publication.txt
observed 687e91d4b7e987de1e0770519439684b...
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.