OpenTechnical

OT-2026-000005189

Publication integrity record

Vacuum cup gripper, three zone face, four outlet manifold, ejector fed, pressure verified, contact triggered

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-2026-000005189) never changes.

Identity and time

Publication numberOT-2026-000005189 · never reused
Internal UUID01a0a930-bba4-7945-a6df-7dcdff706d9e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:48:58.407379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005189
StatusPUBLIC

Content hashes

Canonical text517dd7c6dc388abd7d140c6f1bce389b3fb725133fbc61aed6e26908a808a662
Markdowneb4c5e3cdb970107d42dcc9fc9fa95532966f8db5c7576749eb2d633c540ed80
PDF
Publication pagea72355d3cd162c88fcd8cec67af705a4fa3dbde532deb7dc525e42932a5eeea4
Manifest0c5a60c59b061d18544a96bc3b7b5d159701c65ae449aed16b674a8ecb16495f

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
SignaturevgAUF4XvXDvGUAFiWhlKqyugonPkZ7JcuguEErD1wunLzbMBaiQcNVdPnoHhp5ZFnMRY+0ScOs+bz0kTLzcBAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T07:50:05.696281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005189
observed a72355d3cd162c88fcd8cec67af705a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:05.684484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005189/manifest.json
observed 0c5a60c59b061d18544a96bc3b7b5d15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:05.670985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005189/publication.md
observed eb4c5e3cdb970107d42dcc9fc9fa9553...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:05.657933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005189/publication.txt
observed 517dd7c6dc388abd7d140c6f1bce389b...
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.