OpenTechnical

OT-2026-000067203

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two 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-2026-000067203) never changes.

Identity and time

Publication numberOT-2026-000067203 · never reused
Internal UUID01a0ae8f-14ff-7601-b259-d11f701f103b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067203
StatusPUBLIC

Content hashes

Canonical text43ac4de4d505213450bd1db7fc2d8de19729a04f0892b01a3523d70d993a06e0
Markdown07ea7a4a8cf07b0870d773ef9a8c7c26e029c7b8ee59ac2aac7ea0d8858e8ba6
PDF
Publication page729999ad63d060f381ca862c774ea7be6430c2675cbb9afc8412ba49ecde3d4f
Manifest1dc4d02064d16fe7f549027876fcf6d7ff1671caf3cfe6ee9a34a380d16199b7

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
Signaturev+TJyX2+hCoWpk0qebxxMjl3TlJP/9GFYySuZrJGyeakxQPTAByoj+7FzZP8jef8oFps6eLVhcVALi6lBFeTBA==
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

2026-09-17T10:32:29.491407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067203
observed 729999ad63d060f381ca862c774ea7be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:29.473641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067203/manifest.json
observed 1dc4d02064d16fe7f549027876fcf6d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:29.456678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067203/publication.md
observed 07ea7a4a8cf07b0870d773ef9a8c7c26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:29.439113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067203/publication.txt
observed 43ac4de4d505213450bd1db7fc2d8de1...
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.