OpenTechnical

OT-2026-000042665

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, sustained blow-off after 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-2026-000042665) never changes.

Identity and time

Publication numberOT-2026-000042665 · never reused
Internal UUID01a0ae7a-c0ce-759b-b9eb-a018870ec44f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042665
StatusPUBLIC

Content hashes

Canonical textba06c193dd0a5fcbd9762af9201e2cee0fb4fc8aae702c0c55ed050bc9c8aa4b
Markdownc66e2f122b0f4860d28ab4a670f0d022fe53b14839ba2d4e6a569ee92bb6a3c2
PDF
Publication page3f9560ac10b299a283890d5a5de67fb298f9d76c7b38453d8155c8343d3b06b0
Manifest8a43523eef6fe9d69d30a55831191c972ace1957ee164d24cb676d0156ef923c

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
SignaturedeslZdhBvRrY8mCCtsWzC5DmBw+lX7ZYa6HjXZOiSV4YHj3rlHGIFvxkd1BGnYd8gZHPqzafV1Le0XQjMDEVCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:15:00.670040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042665
observed 3f9560ac10b299a283890d5a5de67fb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:00.649990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042665/manifest.json
observed 8a43523eef6fe9d69d30a55831191c97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:00.629921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042665/publication.md
observed c66e2f122b0f4860d28ab4a670f0d022...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:00.609411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042665/publication.txt
observed ba06c193dd0a5fcbd9762af9201e2cee...
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.