OpenTechnical

OT-2026-000022142

Publication integrity record

Six pad foam vacuum gripper, 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-2026-000022142) never changes.

Identity and time

Publication numberOT-2026-000022142 · never reused
Internal UUID01a0ae6f-f4fb-7f7b-938f-4e67c07c493c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022142
StatusPUBLIC

Content hashes

Canonical text8df6e4381918a6205f3a77e169725c826ca23e106bd30a8bc9f5e8d9dda34f17
Markdown989fb1fcc5619e11580162b5e203e0c34cfb2d922aa942111ae44d3875894276
PDF
Publication pagefd22c087dddfeeb4088d10f1e3bbabbeb01b693f1ac75bd9c7130c07fd293479
Manifesta20550f1d53c7f8328de262d1e3acb73095f1c1409ac13ab21a34954347fede2

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
Signature7mPrKKjpep6dl04CiWVTdQKs58wXtGAZZAjaeUpmSe8feELaaC+lDCaTQbjZ1pIyLyBDzZLjzSNaB2/V7f41BQ==
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

2026-09-17T11:52:49.061775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022142
observed fd22c087dddfeeb4088d10f1e3bbabbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:49.045018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022142/manifest.json
observed a20550f1d53c7f8328de262d1e3acb73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:49.027686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022142/publication.md
observed 989fb1fcc5619e11580162b5e203e0c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:49.008207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022142/publication.txt
observed 8df6e4381918a6205f3a77e169725c82...
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.