OpenTechnical

OT-2026-000020934

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000020934) never changes.

Identity and time

Publication numberOT-2026-000020934 · never reused
Internal UUID01a0ae6f-65e4-72bb-9232-3468584fabdb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020934
StatusPUBLIC

Content hashes

Canonical text3ad771c8ff3d69331eb69515b5825e1c3462a0b61c502871e6418022f2ab79ad
Markdownf07b007913ee75f425a50495c6bd39ca59747b9c0847e9d72fc78966817ab349
PDF
Publication pagedbc4867a59c055760584642643e11778f89abdcb34ac94e34a08a412bf2872d2
Manifesta82050404286e3f9429ead42a03937dc3ae4e7fd851ef01df7900a7e6448efd8

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
SignaturexwlFhGp+Ha16JcQIKhDYhUC5rYnj81Fn1tG7SrS4oBKZyJFCRA+VASeotAhlLPqLPhA53xYRNoKaXVAox+hxCw==
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

2026-09-17T11:56:03.835894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020934
observed dbc4867a59c055760584642643e11778...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:03.815348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020934/manifest.json
observed a82050404286e3f9429ead42a03937dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:03.794598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020934/publication.md
observed f07b007913ee75f425a50495c6bd39ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:03.777285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020934/publication.txt
observed 3ad771c8ff3d69331eb69515b5825e1c...
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.