OpenTechnical

OT-2026-000071131

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, supply line 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-2026-000071131) never changes.

Identity and time

Publication numberOT-2026-000071131 · never reused
Internal UUID01a0ae91-e0eb-77c5-8402-bafcce32f6f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071131
StatusPUBLIC

Content hashes

Canonical text471d27dc1cd230a1b5ba8afbb3e6c1a8701bc783b7795b9cdaf0726765f54fd9
Markdown77bdf44bbf090e984a3edd232d4f551529b2dbe4ee9c0f39f546dbbc8484edc4
PDF
Publication pageeaf3bc4510f9af74125ce1058bc555a628c2ad2f96b82bcfc68cf78376e7fa02
Manifestadfe19fc4fdf8645a51b151f4dbda952e19c05c76746d82c0d92079719af5abf

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
Signature56Q4lTI1T9jtOhNv7+ABWwwmjkj4PgHt1AplU4n6ZBjR6bruRYdlH3rtY/jR4S+rV6oz8io5OZw2hpg7E38SDg==
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

2026-09-17T10:24:37.729028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071131
observed eaf3bc4510f9af74125ce1058bc555a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:37.706923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071131/manifest.json
observed adfe19fc4fdf8645a51b151f4dbda952...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:37.684667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071131/publication.md
observed 77bdf44bbf090e984a3edd232d4f5515...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:37.665519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071131/publication.txt
observed 471d27dc1cd230a1b5ba8afbb3e6c1a8...
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.