OpenTechnical

OT-2026-000083277

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, 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-2026-000083277) never changes.

Identity and time

Publication numberOT-2026-000083277 · never reused
Internal UUID01a0ae97-c963-7492-bfbb-ed1acb85efd2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083277
StatusPUBLIC

Content hashes

Canonical text00adae2921cf033a175a1cf790b24db30f6ea580bbce702ea3e6dc2ccf2bb3bb
Markdown4c8923c9f011414d4b6385138fe74f02299ee91802746fb860e049653ba59ced
PDF
Publication page7aed92b96f841dfdad7fc1cd0d857002d16298a220149d14ca4245076d3b40d2
Manifest3d0034b0e5fc4ffc1524212d4f8ec54d88ca5d42529f35691e034ce5b2c49a5d

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
SignatureCvRWepGVhrlJNMA+SyrQjRHUfSxrvaXUcrawyuOFo6FUovRTRkVRABhZRbvY46ydc2JF8PTyRyaVbBbSrtfnAA==
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

2026-09-17T09:01:23.338249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083277
observed 7aed92b96f841dfdad7fc1cd0d857002...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:23.319754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083277/manifest.json
observed 3d0034b0e5fc4ffc1524212d4f8ec54d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:23.174121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083277/publication.md
observed 4c8923c9f011414d4b6385138fe74f02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:23.153766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083277/publication.txt
observed 00adae2921cf033a175a1cf790b24db3...
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.