OpenTechnical

OT-2026-000083571

Publication integrity record

Foam pad vacuum gripper, four 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-2026-000083571) never changes.

Identity and time

Publication numberOT-2026-000083571 · never reused
Internal UUID01a0ae98-0415-78d7-a8cc-30c849b833db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083571
StatusPUBLIC

Content hashes

Canonical text0abac95b9d2c3f26089353f83953a0aae2da46f529b43b74e4aff314e14df4e3
Markdown0f5102b82150496be49dea77660eaa82f50f38e18b7104eb271eb8fa8adcc2c6
PDF
Publication page601a9e0f2642f1e18e31899680c855475bae7889c9311fbc87efb944108149f1
Manifest6f55354c9eadbc42412078e2ac936b46a5be87f1e07723646df10b5d22da1405

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
SignatureKZETe5ut+7vGDn4flEtfNB5SzN1vX9ffuatxdbDFyodHdDHxpUack0hLgoMoRv8zylO1YkZbXxAnBlrjvQGvBQ==
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

2026-09-17T09:57:03.585898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083571
observed 601a9e0f2642f1e18e31899680c85547...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:03.570377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083571/manifest.json
observed 6f55354c9eadbc42412078e2ac936b46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:03.553970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083571/publication.md
observed 0f5102b82150496be49dea77660eaa82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:03.536332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083571/publication.txt
observed 0abac95b9d2c3f26089353f83953a0aa...
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.