OpenTechnical

OT-2026-000067999

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, vented after set-down, on a tool changer

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-2026-000067999) never changes.

Identity and time

Publication numberOT-2026-000067999 · never reused
Internal UUID01a0ae8f-c4fd-75ca-8e1b-ef258c3d6092 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067999
StatusPUBLIC

Content hashes

Canonical textd79189034b22932fdc7cc6112bf4ea9a2717115e78f50c0f1c73e8ec8e160562
Markdowncf1a51c787f69bc2fa928a2cef497f2ce9a18e48a88f53bce6fcab40eb7d5486
PDF
Publication page367c8f8800dfda77ef21bce4521c4ddabc660c9c8c8b104d311d94d8f261045d
Manifestec8988297234c2d0225823dbeff4b0a080e11d8bfc99cbd17d0a983955dfc490

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
SignatureAYmu1Vc+CcP3b3fz/JSl5l3Pb9cn96KpR09+9H5PfqEBrQ755OMQ7pjY7VGeHwN9D07X9aloZ5Gnx/FJyMkoDw==
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

2026-09-17T10:30:33.148779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067999
observed 367c8f8800dfda77ef21bce4521c4dda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:33.131051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067999/manifest.json
observed ec8988297234c2d0225823dbeff4b0a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:33.113321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067999/publication.md
observed cf1a51c787f69bc2fa928a2cef497f2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:33.096587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067999/publication.txt
observed d79189034b22932fdc7cc6112bf4ea9a...
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.