OpenTechnical

OT-2026-000022442

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, sustained 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-2026-000022442) never changes.

Identity and time

Publication numberOT-2026-000022442 · never reused
Internal UUID01a0ae6f-f4fd-7e37-9541-52c04f559318 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022442
StatusPUBLIC

Content hashes

Canonical text812ef51c00cde4d81c7beaab97669494d7b8210e438c706d35a426eea5a080e1
Markdown3cd8723cfb2f2dfcef8d49f98accec13cec8b7765ab61a7ff527323080a1ba4e
PDF
Publication page11767d2b10ca3f51dd9c29c9f50ce94e45adf9a80ad52bdaf52e45ee03ff3c72
Manifestd98a9b61fab4f2ef39215a6ff6f22850e33c28fadfd0285d906b49daa899bff3

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
SignatureQk5FL5el5NCMrgmP1KpS/7amdLMVF5ONL6ykVzE4IqyjAmzD+HAF6xwItE4CeQZH//MBWEQpAOdtpLxtz3J9Cw==
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

2026-09-17T11:53:50.204409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022442
observed 11767d2b10ca3f51dd9c29c9f50ce94e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:50.184868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022442/manifest.json
observed d98a9b61fab4f2ef39215a6ff6f22850...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:50.167886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022442/publication.md
observed 3cd8723cfb2f2dfcef8d49f98accec13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:50.141788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022442/publication.txt
observed 812ef51c00cde4d81c7beaab97669494...
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.