OpenTechnical

OT-2026-000095189

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three 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-2026-000095189) never changes.

Identity and time

Publication numberOT-2026-000095189 · never reused
Internal UUID01a0ae9f-8f6f-748a-b48c-a39669b80879 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095189
StatusPUBLIC

Content hashes

Canonical text77f77850a11c4a409d0d39b8bd76e063c61bcf3c3a74d713c658d33ed6d00b20
Markdown2d04a83b5b17dad46f7e1acb8cb9c28f743c4de729ffa8a2d3a78edd5358994c
PDF
Publication pagec0af028807cc9b92f57e89ac0127120f6f15c2892dc561681ad12b79d2d6eeee
Manifestfe82faaee7961537b2543156693fd29376ea7a99913f2145929b8782729b6e20

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
Signature44S6Y1eWW+DhhlhN1kTvSCz5fje7Hbhhn+6jfnmfMnDpRC8l9HhO9m3J5gYe3hjThyZIALhbs1eVIgMuXhNrCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:30.049300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095189
observed c0af028807cc9b92f57e89ac0127120f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:30.030684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095189/manifest.json
observed fe82faaee7961537b2543156693fd293...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:30.012357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095189/publication.md
observed 2d04a83b5b17dad46f7e1acb8cb9c28f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:29.995468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095189/publication.txt
observed 77f77850a11c4a409d0d39b8bd76e063...
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.