OpenTechnical

OT-2026-000083353

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000083353) never changes.

Identity and time

Publication numberOT-2026-000083353 · never reused
Internal UUID01a0ae97-c964-7a99-94f3-b54cc44d2445 · 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-2026-000083353
StatusPUBLIC

Content hashes

Canonical text7026bc1f06107d7f656b5979682fdd4c65bf706693e386bcf165209bb247c91f
Markdownf648b35c3608d9f671816c361af5e3b1d748a20f1dd37a614830597b192b8ea6
PDF
Publication pagee21f66d0c6401162e7037c3240e92403db2822995cc8ee106e48ee73e1222080
Manifesta76353a43312da5e39de84ee7bf3931d578b0bc5dd32bf2ca83db5a998fc20b3

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
SignaturevyuTjCBGwiUqMFGXWCQjPxJWm1xJVUbYD7UZXqLDVGCSRmwtWGn2GuaJ3KDf0Dm7SKuQYB8e9bG1V8yHUKeaDg==
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

2026-09-17T10:00:38.213335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083353
observed e21f66d0c6401162e7037c3240e92403...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:38.187331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083353/manifest.json
observed a76353a43312da5e39de84ee7bf3931d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:38.166471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083353/publication.md
observed f648b35c3608d9f671816c361af5e3b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:38.144337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083353/publication.txt
observed 7026bc1f06107d7f656b5979682fdd4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:45.273198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083353
observed e21f66d0c6401162e7037c3240e92403...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:45.259026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083353/manifest.json
observed a76353a43312da5e39de84ee7bf3931d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:45.243651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083353/publication.md
observed f648b35c3608d9f671816c361af5e3b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:45.227977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083353/publication.txt
observed 7026bc1f06107d7f656b5979682fdd4c...
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.