OpenTechnical

OT-2026-000090162

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000090162) never changes.

Identity and time

Publication numberOT-2026-000090162 · never reused
Internal UUID01a0ae9c-428f-7073-a6f4-24c9cc65f218 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090162
StatusPUBLIC

Content hashes

Canonical text6bc42f1ef1d0f8cb5c9990276d32a8436c79e2c30b113ec89bd9ca3ba05d2afd
Markdown1f9c6d196ef777d790047ac8f5313754300e598122ee00d195c015d189453fe4
PDF
Publication page3eb89777e43fc4a25737f5ac60b5a235d0ca04d0c9b81cae3125e117dfe02a01
Manifest8fe728fa185b06f6805e6b9597fa74400d9b5223d406c22302d2571342848f70

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
Signature3G88WKPKoQ2o+6srG57i5HvimO7Be9+xB39FyG7E1bg7iX+C5iNEaGkTAWhcYpjSX5tBz5zhQmQ/VDVuainRBw==
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

2026-09-17T09:45:40.819212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090162
observed 3eb89777e43fc4a25737f5ac60b5a235...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:40.800064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090162/manifest.json
observed 8fe728fa185b06f6805e6b9597fa7440...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:40.781751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090162/publication.md
observed 1f9c6d196ef777d790047ac8f5313754...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:40.763168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090162/publication.txt
observed 6bc42f1ef1d0f8cb5c9990276d32a843...
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.