OpenTechnical

OT-2026-000067196

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off 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-2026-000067196) never changes.

Identity and time

Publication numberOT-2026-000067196 · never reused
Internal UUID01a0ae8f-14ff-72f3-8156-0d39eb4dc9a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067196
StatusPUBLIC

Content hashes

Canonical textaa6e40b7d27fad6720a30c6de848f81732a24ffc88fd97ccf4b0e970316affe6
Markdown5ce134e3a1ee817aa7601d595b3689ee2f85b01fff7bd38a43c08e2cfd257d96
PDF
Publication page3e6f62a20d75dc64cee3aea4e1b765e1148603100d782a01e12ff3ce0945ffb6
Manifestafe48a374a843b56b7cfd7fc847961e4e6becad1aae852484c74dfa38b055e6b

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
SignatureKiyhq6r08nMMSBj0VcfuOi3mbOnqC95caw3v7SV6wqihE7rg/RYODaXnQ8qIBwQo3R7w9tNCe8FGmeMeHYHFCA==
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

2026-09-17T10:32:28.989914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067196
observed 3e6f62a20d75dc64cee3aea4e1b765e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:28.971138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067196/manifest.json
observed afe48a374a843b56b7cfd7fc847961e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:28.951881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067196/publication.md
observed 5ce134e3a1ee817aa7601d595b3689ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:28.933811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067196/publication.txt
observed aa6e40b7d27fad6720a30c6de848f817...
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.