OpenTechnical

OT-2026-000066799

Publication integrity record

Three cup vacuum gripper, three 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-2026-000066799) never changes.

Identity and time

Publication numberOT-2026-000066799 · never reused
Internal UUID01a0ae8e-ce43-780d-8c24-9e3ff13db4c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066799
StatusPUBLIC

Content hashes

Canonical text3c44ccc3a87bac63da58b99207852e7e63e743d786282bc274c7cdbe765a4624
Markdown964ad53a0cbde3c906d84ea34d394ab45c23e280509553e80d7102262511472a
PDF
Publication page0f27ca1f41336a1c5e89773f15da60dae0f8c23a84b3d923f951a7f0f78fe59f
Manifest6286a24c3d38d364af299117300f38ad3dfc2a058c0bd040c883d4ae890ca7c5

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
SignaturezbKcIx+2EkNaK4Ye6sMFWG1HjSdLVe3RqWdVXWKNvRdDOuUYr3RIRFJNK3rD5S1iwO1aivq5/f0vTbVIXEMHAA==
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

2026-09-17T10:33:13.525582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066799
observed 0f27ca1f41336a1c5e89773f15da60da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:13.509235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066799/manifest.json
observed 6286a24c3d38d364af299117300f38ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:13.492045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066799/publication.md
observed 964ad53a0cbde3c906d84ea34d394ab4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:13.473699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066799/publication.txt
observed 3c44ccc3a87bac63da58b99207852e7e...
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.