OpenTechnical

OT-2026-000093249

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, supply line pressure sensor, 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-2026-000093249) never changes.

Identity and time

Publication numberOT-2026-000093249 · never reused
Internal UUID01a0ae9e-0911-769c-baaf-8ac08fdd0261 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093249
StatusPUBLIC

Content hashes

Canonical textb370c469b718e447c81cc3e95a0b70c71b7c44726230dad9c6061167dce6d261
Markdown139d901abc3e2c8a4f0fe958bd121e67eef6ab93ce2857a0a5865cf5198c31f1
PDF
Publication paged71a1dcb15615254972b87294f6f0af1da0f61e835ec52e281d2e72ba61ebe77
Manifest5b23cd573e3997ceb61cab1506088717cfbbec78404171e1df4e3dbb8926c4fa

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
Signature3YqdJaNNzka7ivVTu5JZji2g0uDYBFpB8CZiE4ydOSPt9CzAjDyjFQv93BmYrntRvaRMXDYGXjaJwqo4EmW6Aw==
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

2026-09-17T09:40:33.151976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093249
observed d71a1dcb15615254972b87294f6f0af1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:33.125089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093249/manifest.json
observed 5b23cd573e3997ceb61cab1506088717...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:33.107600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093249/publication.md
observed 139d901abc3e2c8a4f0fe958bd121e67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:33.073018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093249/publication.txt
observed b370c469b718e447c81cc3e95a0b70c7...
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.