OpenTechnical

OT-2026-000017463

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pulsed 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-2026-000017463) never changes.

Identity and time

Publication numberOT-2026-000017463 · never reused
Internal UUID01a0ae6e-76c9-7d77-84ce-54e14440b593 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017463
StatusPUBLIC

Content hashes

Canonical text8a7b725cddc500da27fbbd2f346794d256269a25536c7266f97db828a90cd7dd
Markdownaafdf80beae86441f26b20e104e7e6f380cc5a439c6f2b5041ff06ea86ba3426
PDF
Publication page2a2fab26a64f208abb6e44d1ca36c2b160186e7a1e77f5a6126fd682632367b2
Manifeste624c0aadd79401ed7786835156082c3d9ca9ec908dfc09d5e53a6ca0fc249ab

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
SignaturerMKSrReDk/N8nwaTYDbQaZl3U0XnbT8Sh7Tjh3fBZt7Q18NNjXIuU+mvRo+GaMm7zujX7Zl/pcQ68ml26x2mBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:02:36.145535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017463
observed 2a2fab26a64f208abb6e44d1ca36c2b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:36.127097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017463/manifest.json
observed e624c0aadd79401ed7786835156082c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:36.110181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017463/publication.md
observed aafdf80beae86441f26b20e104e7e6f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:36.091888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017463/publication.txt
observed 8a7b725cddc500da27fbbd2f346794d2...
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.