OpenTechnical

OT-2026-000091568

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, sustained blow-off before set-down

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-2026-000091568) never changes.

Identity and time

Publication numberOT-2026-000091568 · never reused
Internal UUID01a0ae9c-f16e-7381-8b8b-65d767d0fc5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091568
StatusPUBLIC

Content hashes

Canonical textb51dfdc1a70e900e975e700ec0e5fb8fc35a43002a87b44e3b3894f9c5debbd2
Markdowna7fe998e87f5b15147be84221dd7e075aeb07c2067bf37df2997dc382e3c6f7b
PDF
Publication page2e861e49cb579ed04963060884ed5803dc33c017f0c6e4176dcb7b2b23d68412
Manifestd3c136b98e83f23f2f60ad8c8986a25411c403b66774188680fecc73b5b94d69

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
Signature5WnBnDMCHY03HIThksHBr/PKTQFWBwCdekTEHWiS9wzBOcVllkflR0QPdato5m1AwZjqDeosY3RTVNGFZ3H4Dg==
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

2026-09-17T09:43:50.337256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091568
observed 2e861e49cb579ed04963060884ed5803...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:50.321095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091568/manifest.json
observed d3c136b98e83f23f2f60ad8c8986a254...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:50.305367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091568/publication.md
observed a7fe998e87f5b15147be84221dd7e075...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:50.287612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091568/publication.txt
observed b51dfdc1a70e900e975e700ec0e5fb8f...
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.