OpenTechnical

OT-2026-000016514

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000016514) never changes.

Identity and time

Publication numberOT-2026-000016514 · never reused
Internal UUID01a0ae6e-2d13-758d-a916-458cf9de4455 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016514
StatusPUBLIC

Content hashes

Canonical textb03c0f5b701fa3ca29b679ff0a4fe6803ac1329e9d3f8a5ed86b22222ff97c40
Markdownaa616386b688fc1083ece92170032390878acff41fa70dcbaa948a6ffc50c36b
PDF
Publication pagebc70b01fc4d3902a44912cc649d7ff1c51971d11533add47ed2d7abfd63a825b
Manifestda2c630994a00a1c6093103db65c0c11e195799ae322d7541015ceac97bed267

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
SignaturedhS45xJCXuf5ME6AqJyqQdL0YrnNyk+U5EycSxJCyybYrcLn8hqqi+xE1wb0R1cWyOea3zx2ERiqomsuHJRTAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:04:43.695331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016514
observed bc70b01fc4d3902a44912cc649d7ff1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:43.677406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016514/manifest.json
observed da2c630994a00a1c6093103db65c0c11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:43.657357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016514/publication.md
observed aa616386b688fc1083ece92170032390...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:43.640220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016514/publication.txt
observed b03c0f5b701fa3ca29b679ff0a4fe680...
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.