OpenTechnical

OT-2026-000090484

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, pressure sensor per zone, 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-2026-000090484) never changes.

Identity and time

Publication numberOT-2026-000090484 · never reused
Internal UUID01a0ae9c-7f2e-78db-b7ff-1bfc8d8a8ad7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090484
StatusPUBLIC

Content hashes

Canonical text669f2d8e4a48c71d002e0ae5555b8e9a036545bb73ff01a0515f30924d693d78
Markdown9fcec833141bfdf21da8238b0f4a944a6e83c2e769038dffb65ba94187e146e0
PDF
Publication pagea538dce08613f6382a6725e92ce03b079019e11cd07eda9cbe9ad815c46a87f9
Manifest78369364c81b2930385b3b4c2bef6409748ab961ed2a96f944cd22dc8fa49305

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
SignatureC2WQ3aFOGDqndgl4xicWUfr9khQgeNFAx8pKwQv5RqZ2Ck6xrwf/NdXnrj7naIjoueUmJt4APiPMeQNcjAmUBw==
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

2026-09-17T09:44:37.094191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090484
observed a538dce08613f6382a6725e92ce03b07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:37.074016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090484/manifest.json
observed 78369364c81b2930385b3b4c2bef6409...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:37.054813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090484/publication.md
observed 9fcec833141bfdf21da8238b0f4a944a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:37.036749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090484/publication.txt
observed 669f2d8e4a48c71d002e0ae5555b8e9a...
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.