OpenTechnical

OT-2026-000069259

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000069259) never changes.

Identity and time

Publication numberOT-2026-000069259 · never reused
Internal UUID01a0ae90-b528-7ffb-96ae-b61f3b632bc4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069259
StatusPUBLIC

Content hashes

Canonical text55a96e56d1feec48ae3ddc66cd9b19fe9eca9db94f8a8e8a3badaf2f486c6b2f
Markdowne6b01ae98b409dc8cb9e77ffd88f0f00cd2a8027d73ca1dac1a8ceecb42c3259
PDF
Publication page528f16c893134c1a86d36299015d349794f6566f42d255779cc2dd371db2608d
Manifest99925cb14495d899a9d1366e3b3f02714f97450a3a9bee673dcf820f55d263ef

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
SignatureqlJGOJOisHcQl8vJ5mZPslyjqUl8gHi3Npg8YTAdfPwh7Y7s1J3D2CGWtUkLrNum+2FLZR7h0oOU0Eq9xRz/Cg==
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

2026-09-17T10:27:20.367671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069259
observed 528f16c893134c1a86d36299015d3497...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:20.349503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069259/manifest.json
observed 99925cb14495d899a9d1366e3b3f0271...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:20.330911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069259/publication.md
observed e6b01ae98b409dc8cb9e77ffd88f0f00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:20.312801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069259/publication.txt
observed 55a96e56d1feec48ae3ddc66cd9b19fe...
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.