OpenTechnical

OT-2026-000006089

Publication integrity record

Vacuum cup gripper, four zone face, common isolation valve, ejector fed, rubber cups, oval form

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-2026-000006089) never changes.

Identity and time

Publication numberOT-2026-000006089 · never reused
Internal UUID01a0a94e-f717-7b3a-a5aa-00c766f9f7e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:21:59.706383Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006089
StatusPUBLIC

Content hashes

Canonical textfffcfa519819c1d19ea88ab53dd6a2ed2ea020ac609664722ca47d6a4bb74174
Markdowncb399b152c29a3f718f2fa6479a944da792a54890ad707d58b10f0e492eee9da
PDF
Publication pagecdeb9ef679dd656da649663f26363a47813cade22ed07b5820bda90abb10558b
Manifest2d5eb6ed861a3dd1dd07a4161a907b5360d451b726760563243f31f39c25cd14

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
SignaturefHQ/Jc65I9AGgHUAw+de8BX+YSFkgc38Js6nh/yldu5NRRrVeiMOTkjCzeWNjvVs3ybQpXpPD7rts+NPng23BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:28.704021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006089
observed cdeb9ef679dd656da649663f26363a47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:28.689097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006089/manifest.json
observed 2d5eb6ed861a3dd1dd07a4161a907b53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:28.674342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006089/publication.md
observed cb399b152c29a3f718f2fa6479a944da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:28.660045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006089/publication.txt
observed fffcfa519819c1d19ea88ab53dd6a2ed...
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.