OpenTechnical

OT-2026-000092197

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum fed, supply line pressure sensor, 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-2026-000092197) never changes.

Identity and time

Publication numberOT-2026-000092197 · never reused
Internal UUID01a0ae9d-875a-7c1c-9790-9496d131dcff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092197
StatusPUBLIC

Content hashes

Canonical textfc22203675c200b5a4f08a05ac2e230b85fca672a6d9a819a89b179b1c819a9e
Markdownc50349005f504dddc6e15395fd480df7a6e0ddf3d809cfb8597b0d329f0e47d1
PDF
Publication pagef0c159994dc3fdeaf3e617ca41f8076035ec69348853f1c577aa4a84b4479cdf
Manifest694973f6d0fe138352aea7c7feb975ec7bbaf26c089f83b3d68177bd9a135f29

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
SignatureSno78bnGBkzbDVMJnJJCqmqWnPyaJ6IfKKKa65lR4zwdlkX+h9Jh/qhM4u4gsozu2vhp0MJ0CWswJUZY/XqLDw==
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

2026-09-17T09:41:40.885664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092197
observed f0c159994dc3fdeaf3e617ca41f80760...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:40.868307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092197/manifest.json
observed 694973f6d0fe138352aea7c7feb975ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:40.849997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092197/publication.md
observed c50349005f504dddc6e15395fd480df7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:40.831882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092197/publication.txt
observed fc22203675c200b5a4f08a05ac2e230b...
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.