OpenTechnical

OT-2026-000020208

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, pulsed 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-2026-000020208) never changes.

Identity and time

Publication numberOT-2026-000020208 · never reused
Internal UUID01a0ae6f-4379-7559-853b-3d7c2c895621 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020208
StatusPUBLIC

Content hashes

Canonical text662dacc826c9038f21343f0311fb099f9c9ba8c701d7c96f79f0f8ed695d48d0
Markdownc5e785581f4cdf498d10496f981fa430f9bd8b95560b24c777d2e4be03ed2c6a
PDF
Publication pagee656e54e686fb3df5f7ce680796a01391f1d6c44b571c6cf7a2277858dee1010
Manifestabd68c4b336ba413309de2d1176492652344374f00f618a4cd39b0ec8b7d064d

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
SignatureMT4oM7n1Eb9KWeZYZelVNhdZksOBRydjO3F6P8IMwKozbi99wkFdYPwOIuDgQ8mqUMgSfc7oEDaapjNpOyZVDQ==
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

2026-09-17T11:56:31.305894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020208
observed e656e54e686fb3df5f7ce680796a0139...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:31.288511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020208/manifest.json
observed abd68c4b336ba413309de2d117649265...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:31.268152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020208/publication.md
observed c5e785581f4cdf498d10496f981fa430...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:31.248331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020208/publication.txt
observed 662dacc826c9038f21343f0311fb099f...
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.