OpenTechnical

OT-2026-000093693

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, 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-2026-000093693) never changes.

Identity and time

Publication numberOT-2026-000093693 · never reused
Internal UUID01a0ae9e-508c-7a57-8cd8-d5f5d505c514 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:46.038602Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093693
StatusPUBLIC

Content hashes

Canonical textf0aef845e3bc16f57d5260bf76b411d2dd287379c2fcbf33de405b9776178600
Markdown7fa99fed9c3813fbcb3961c9d08e4cc6ba2920845b43a803d2798745d5361036
PDF
Publication pageb8d34a3676feb5914701629f8cec5c5a6452281def56792cc609c1dd528da989
Manifest325323a698bf68b75eed024e0efa2b0d2a11d828d56c7465d4d4026c2d410d09

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
Signature0ebjgMrIBnB3E0CRhgecy4uTHjMIElDiRLWm4ORinIwt/4TcFWSTvd2n7orLrU5s1DLxHZGSZkB87XiR3zscAw==
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

2026-09-17T09:39:45.472259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093693
observed b8d34a3676feb5914701629f8cec5c5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:45.455402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093693/manifest.json
observed 325323a698bf68b75eed024e0efa2b0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:45.438257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093693/publication.md
observed 7fa99fed9c3813fbcb3961c9d08e4cc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:45.420468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093693/publication.txt
observed f0aef845e3bc16f57d5260bf76b411d2...
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.