OpenTechnical

OT-2026-000067200

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-2026-000067200) never changes.

Identity and time

Publication numberOT-2026-000067200 · never reused
Internal UUID01a0ae8f-14ff-7199-a991-f9f12ce72b66 · 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-2026-000067200
StatusPUBLIC

Content hashes

Canonical textd77a44d4d42ea576a980c4fb191b3a7b4cbd58992b5ecb79bb5cde1ab6ee9493
Markdownc38d4009b402c7ab59fea2ec7ed622d826d1ba1174c32d3f1d782eba372853a2
PDF
Publication page45a74b2e20e8f0a87a8368557ed51cc0aeed73d4146d7a8c72d793149215524d
Manifestc01b88e6cdbc73318a3b9c7583d81b728465237ed7374e0d629015f1d77637e2

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
SignatureRtdRPWoKrb2dHuWgaDtMjVMx3QY7DGNOijKzroz+3cs2RPVdcMQN0kRH9Ox9PTNeUL10KGSJ+jKjfgUVFJWbCg==
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

2026-09-17T10:32:29.280976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067200
observed 45a74b2e20e8f0a87a8368557ed51cc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:29.263551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067200/manifest.json
observed c01b88e6cdbc73318a3b9c7583d81b72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:29.245075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067200/publication.md
observed c38d4009b402c7ab59fea2ec7ed622d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:29.228292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067200/publication.txt
observed d77a44d4d42ea576a980c4fb191b3a7b...
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.