OpenTechnical

OT-2026-000077361

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000077361) never changes.

Identity and time

Publication numberOT-2026-000077361 · never reused
Internal UUID01a0ae94-f509-7b60-bc93-81e702468ae3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077361
StatusPUBLIC

Content hashes

Canonical text0addb9f0199b558f2f66449fa7e662b06028d09a7062df0b3f50b1c1d72eac0e
Markdown2656fcd83af8c7204d8eea265fa1c4fed5bbf506ebee3d1b9e20d201db6304f0
PDF
Publication page800503db5ee95336a227974953bc761e02a7c890abe242f55bee66b97cdb859d
Manifest6b6282b0c74d824ccbc5d64c89184bd876bcedfe282badaad44057fac9da9054

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
SignatureOWxF86iJseN0VCjoVMpqEr0Y16H0ChAURKAos0D9yk+Mq4nVEWC39iYsB+ZyVHE/pAPdmxINs2q6X01JJxcGDQ==
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

2026-09-17T10:09:00.280176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077361
observed 800503db5ee95336a227974953bc761e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:00.262367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077361/manifest.json
observed 6b6282b0c74d824ccbc5d64c89184bd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:00.244694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077361/publication.md
observed 2656fcd83af8c7204d8eea265fa1c4fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:00.227139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077361/publication.txt
observed 0addb9f0199b558f2f66449fa7e662b0...
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.