OpenTechnical

OT-2026-000050507

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, two stage ejector, 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-2026-000050507) never changes.

Identity and time

Publication numberOT-2026-000050507 · never reused
Internal UUID01a0ae82-5c49-785e-97f0-87d05c2b59e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050507
StatusPUBLIC

Content hashes

Canonical text1c3927be3a596d1ac1f047c8f32afcb24a2ce5e8f5707131498a446282506c68
Markdown3dbe9493e2aab790fc45a218a0c91412f7f35e032fa1e281ae06f566929e9157
PDF
Publication pagef0a18a9c73ac34ccd7ff3f9d642c8c64e5dc8b1e0a536ef64e71b433b107266a
Manifest01542bc2964fb9cfbb334b93fe412047989805926a497b80535f280584a9b941

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
SignatureJ80v9gbF3ddZtqrxRraHooE99bwBaMzhBSxr1P/KdNc0G3UNEun/Y//ftU3W3Be/sJL+3KkYJs7vpJT2xuDVAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:01:33.925631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050507
observed f0a18a9c73ac34ccd7ff3f9d642c8c64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:33.909430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050507/manifest.json
observed 01542bc2964fb9cfbb334b93fe412047...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:33.892939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050507/publication.md
observed 3dbe9493e2aab790fc45a218a0c91412...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:33.876384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050507/publication.txt
observed 1c3927be3a596d1ac1f047c8f32afcb2...
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.