OpenTechnical

OT-2026-000067174

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000067174) never changes.

Identity and time

Publication numberOT-2026-000067174 · never reused
Internal UUID01a0ae8f-14ff-793f-8f94-6e1acfa56209 · 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-2026-000067174
StatusPUBLIC

Content hashes

Canonical text53dead2ec1a8b9ec388798de91f3492d6234bc6f25803099cf29a9d39dc9ce9c
Markdownd31780d9392749863a24e316886df447858f6710871d4154f4294537653b0ac2
PDF
Publication pagecc63595b2eaac9bfea75568c78d638101e2074102950e21c1e4cbe87fcd0802a
Manifest173e7af9205b442df797807f1d5b1cb9e8448b92648fc17415cf45bf2462ae50

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
Signaturebi5tI7V6r/g9aOxSvBJmgFLf2jbS9T2teRfaqi6HUhbcZ6MtrquaTEFpOC0ROIrjWLd+LOQbHgtLMCc2ZXAiAw==
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

2026-09-17T10:32:27.390251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067174
observed cc63595b2eaac9bfea75568c78d63810...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:27.372872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067174/manifest.json
observed 173e7af9205b442df797807f1d5b1cb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:27.355380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067174/publication.md
observed d31780d9392749863a24e316886df447...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:27.338653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067174/publication.txt
observed 53dead2ec1a8b9ec388798de91f3492d...
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.