OpenTechnical

OT-2026-000066925

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000066925) never changes.

Identity and time

Publication numberOT-2026-000066925 · never reused
Internal UUID01a0ae8f-14fd-728a-bfd1-edd3c21a8104 · 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-2026-000066925
StatusPUBLIC

Content hashes

Canonical text4d69323a6f0276d48816d8671ee4abeca14256c6b4b986579d5b7191a52ca896
Markdown6f7ba6133d428199d23c682a8995ec1db9dc6a301e8882e7748ad527c1538289
PDF
Publication page170feb4dac3e7fd2370dd856a3d491d8303a2f1c5a2256c877b65ff46f55da58
Manifesteb3855976f3f0470a22f3e824a2f908ab5771abd247346c0a949bdde8321be1a

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
Signature6nC4L5xbfPSH9KcEMP4jILScRZJId/PURbnW/nNOww150WGz3pLDnL++S0fbr0ksr53tnckSaAmjjyPlb0+0BA==
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

2026-09-17T10:32:08.033689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066925
observed 170feb4dac3e7fd2370dd856a3d491d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:08.016093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066925/manifest.json
observed eb3855976f3f0470a22f3e824a2f908a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:07.998762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066925/publication.md
observed 6f7ba6133d428199d23c682a8995ec1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:07.981279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066925/publication.txt
observed 4d69323a6f0276d48816d8671ee4abec...
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.