OpenTechnical

OT-2026-000085529

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, 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-2026-000085529) never changes.

Identity and time

Publication numberOT-2026-000085529 · never reused
Internal UUID01a0ae99-aaac-7774-bddb-79d198b25e57 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085529
StatusPUBLIC

Content hashes

Canonical text8e6855a811421dc557ad14e6d1f1dd7eae13fbb01be81e57d79100b47850944f
Markdownb561a9960fe988247dcfcd5322390e4b7ed4279d1879dc043420ac106ebca830
PDF
Publication page63b586a723b5e588131715d2d5ce4222e7b02096ad51ba51bc654cc9f8c50031
Manifest73aedc7e6543202d5105d52ebd08c93b09c50862b9c197cba64b58910248328f

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
SignatureYzKd0+TX03e6MguPB+IslP68kWoMlyqdgM3ziTlLkqgnKiOcvA+0BVCuVl1PTKXlkwYkMQQvlijBx37I0L/3DQ==
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

2026-09-17T09:54:20.839723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085529
observed 63b586a723b5e588131715d2d5ce4222...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:20.822430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085529/manifest.json
observed 73aedc7e6543202d5105d52ebd08c93b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:20.805405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085529/publication.md
observed b561a9960fe988247dcfcd5322390e4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:20.788948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085529/publication.txt
observed 8e6855a811421dc557ad14e6d1f1dd7e...
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.