OpenTechnical

OT-2026-000038630

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000038630) never changes.

Identity and time

Publication numberOT-2026-000038630 · never reused
Internal UUID01a0ae78-2d54-7930-bd7c-29a2307fc139 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038630
StatusPUBLIC

Content hashes

Canonical texte53af6517f990ddaf2d501b77906ff9713bbbef608df4044c2c254b8a730e117
Markdownd8571cec6c44763e6e28f2d350d8eb3b0d0fb0c050647cd647e5a51be3fd01a5
PDF
Publication pagedfa9d6b2e9335e21224c3cbe524daef265cb21c235188e215d0619705fa01298
Manifest1f87009fdea279781d0d3bfcd8e15cc025cf44335ed7760a80909775dd40e975

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
SignatureUhEul7BLwQT94B1Zn4Zd9Vs+k8KfIouaWLGDL7FtkM+C4VZebCFTL2uKLjyM+CBiWgPXgZ3WrtyW4kkZtCdCDQ==
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

2026-09-17T11:22:55.769339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038630
observed dfa9d6b2e9335e21224c3cbe524daef2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:55.751129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038630/manifest.json
observed 1f87009fdea279781d0d3bfcd8e15cc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:55.732054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038630/publication.md
observed d8571cec6c44763e6e28f2d350d8eb3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:55.712501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038630/publication.txt
observed e53af6517f990ddaf2d501b77906ff97...
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.