OpenTechnical

OT-2026-000070828

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, vented 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-2026-000070828) never changes.

Identity and time

Publication numberOT-2026-000070828 · never reused
Internal UUID01a0ae91-8c2d-7cd2-be6c-afbd7d4a1517 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070828
StatusPUBLIC

Content hashes

Canonical texta85b79b08f6c938e17385cf644bcec135a4105cf6d8d50a78ec972da35290995
Markdownefcb3a533c722e2d13fd16f6b999ec165b865759f7d3d56168bbf97dc636dfe2
PDF
Publication page721b0bdea0397f6ee8f571e5a6289f355b9ce798e7954e122aeb1d759fc4d807
Manifest92abafb75f09a53b93e380b2b809156f4a61d2898094fd2dcb1768bf8154a020

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
SignatureJDxoCd9G9fhwA0p9m6QBjpMBm1f6UEGiZRJ2kP30Mm3kp2XAS9uQDIE41K6F6Ml3BQlXAv47uoiMVD9L3wCDCw==
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

2026-09-17T10:25:38.410800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070828
observed 721b0bdea0397f6ee8f571e5a6289f35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:38.393824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070828/manifest.json
observed 92abafb75f09a53b93e380b2b809156f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:38.377408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070828/publication.md
observed efcb3a533c722e2d13fd16f6b999ec16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:38.361467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070828/publication.txt
observed a85b79b08f6c938e17385cf644bcec13...
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.