OpenTechnical

OT-2026-000032854

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, pulsed blow-off 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-2026-000032854) never changes.

Identity and time

Publication numberOT-2026-000032854 · never reused
Internal UUID01a0ae75-4842-7caa-bd83-988dfa52cca8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032854
StatusPUBLIC

Content hashes

Canonical text0686c564695afdab3dc4014e56a77df4e31c891df137f48f852c724388dd387c
Markdown835050f3cbaaabab692219d80843e340b39fd6060ea91258727f5d7600f30b3c
PDF
Publication pagefa0df039971cf1d6be7874578701ecdf07571c15c50be263f4126d770947be3d
Manifest71b64c0c82eb7ae22685f0e7eadf330f9979a20dc36aad505c2842d4db4f0aa7

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
SignaturenA3EQvLxQjVCnVIj9ygdH8Lf65FVFbwxfuIzq3fsNN25a2bG8nCfWYDMplN92+On2ZmP2/2beMVTOeZ8Z8ngCg==
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

2026-09-17T11:32:19.080093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032854
observed fa0df039971cf1d6be7874578701ecdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:19.062536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032854/manifest.json
observed 71b64c0c82eb7ae22685f0e7eadf330f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:19.044553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032854/publication.md
observed 835050f3cbaaabab692219d80843e340...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:19.026457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032854/publication.txt
observed 0686c564695afdab3dc4014e56a77df4...
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.