OpenTechnical

OT-2026-000021909

Publication integrity record

Six cup vacuum gripper, six outlet manifold, 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-2026-000021909) never changes.

Identity and time

Publication numberOT-2026-000021909 · never reused
Internal UUID01a0ae6f-bb5b-788a-90ed-770dcc317380 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021909
StatusPUBLIC

Content hashes

Canonical text4b412adf413fd28946478945b7549f07ac4fca7a5c00094e162523c4be0b1d03
Markdown0789a04c2a9b70e40a39b05c7d9115f1f454471bd08c062bc5b51eeed4dd6e33
PDF
Publication page77bae0dfbb99b35107181f075994117553e385f9a9c19bccd0cbaa541aaf205d
Manifest9c298da20583e87a391b00118ef386beea0f7356b84946b8846c502ef0498a92

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
SignatureFGRhbnwKZK0OmrPnhVLKOIrDUj2dQbcO8Fzeov91tjwos9lchxFkAWHmUAshVPEMsp5LKTyZSsl6AT4TkRAKAA==
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

2026-09-17T11:54:03.470562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021909
observed 77bae0dfbb99b35107181f0759941175...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:03.452773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021909/manifest.json
observed 9c298da20583e87a391b00118ef386be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:03.422833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021909/publication.md
observed 0789a04c2a9b70e40a39b05c7d9115f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:03.394340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021909/publication.txt
observed 4b412adf413fd28946478945b7549f07...
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.