OpenTechnical

OT-2026-000032068

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000032068) never changes.

Identity and time

Publication numberOT-2026-000032068 · never reused
Internal UUID01a0ae74-bad3-7771-b135-e290a5ffe9b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032068
StatusPUBLIC

Content hashes

Canonical textdc6045fda6c9e5ae44e9113f15f530b0d0298dd079258d15c23577031e0d68d3
Markdown902ea0e992473a9b6bf38476e5162dbaa44a1d9e5f8baa163461428e590a65b2
PDF
Publication page75901b8fd815854aed39aa9c462a12459741d76c0859586fe4f7659747c30bdd
Manifesta720431a5701792b065ce790548a1120f2abfd035b5062c497e60e02d641122a

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
SignaturezCbOuTHUQuwpxiNgQ4xGw6cXqGqQxpWoMf5Iwjh/cacp+iXQuzZ0gTFe6xbcUq9Dwyn/e1zE+Vr9ZH6HhPhtCA==
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

2026-09-17T11:35:29.283257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032068
observed 75901b8fd815854aed39aa9c462a1245...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:29.262644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032068/manifest.json
observed a720431a5701792b065ce790548a1120...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:29.245672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032068/publication.md
observed 902ea0e992473a9b6bf38476e5162dba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:29.225929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032068/publication.txt
observed dc6045fda6c9e5ae44e9113f15f530b0...
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.