OpenTechnical

OT-2026-000089229

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, supply line pressure sensor, sustained 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-2026-000089229) never changes.

Identity and time

Publication numberOT-2026-000089229 · never reused
Internal UUID01a0ae9b-db00-7dbf-8744-143513f90024 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089229
StatusPUBLIC

Content hashes

Canonical text906a6626e6a8aa3800d270fe376a84e4dd695b38758f1208305286f7238447ae
Markdown5201cec47104905592622c7aab38a43520706849a468afbc79a45f7e2a260312
PDF
Publication pagec7aee94ab3c9cc271d89aa84855283a40509205c5029b5411a993552b29a2e05
Manifest584598e7be1c0c2778e4bbe240bbd3e6944f32b7b6b661760813ce44452db6cf

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
Signaturej0icM3QB9ARpkQx/RGclb6W4uz4P0Al3tlTbRRC7ib5lYHSiBHCPoxgD8DKB1LL/+nwbGea30dj4ADoeyYKhDA==
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

2026-09-17T09:47:15.392058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089229
observed c7aee94ab3c9cc271d89aa84855283a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:15.375312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089229/manifest.json
observed 584598e7be1c0c2778e4bbe240bbd3e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:15.358099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089229/publication.md
observed 5201cec47104905592622c7aab38a435...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:15.341491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089229/publication.txt
observed 906a6626e6a8aa3800d270fe376a84e4...
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.