OpenTechnical

OT-2026-000051222

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump 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-2026-000051222) never changes.

Identity and time

Publication numberOT-2026-000051222 · never reused
Internal UUID01a0ae83-273f-7be2-9712-b7ed51d0ffc2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:05.998905Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051222
StatusPUBLIC

Content hashes

Canonical text8dcc261618c673600da0e96e111e8aa4c0162a149cfb776073923665e7a5b21b
Markdown0d6237085108002f361a3beec8672ee8aeb916db3934fe7bad5de48b530a4944
PDF
Publication page4e8cb8941942ecec0f8236457c487c188c7c49144974f9bd4e565789ae144df6
Manifest10af7427c4241d16896d932939d6b78dea11b8531a4a3bcafe1701ee5b3bca41

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
SignatureqVmti6Lw8fzRuA4Mgo8kpmTVOIFQBMriE3Ucf0wzzqi6nzO0VzqWdClzuGBjyQvAJutnHlKfi0/bNFf3MdBYAw==
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

2026-09-17T10:59:00.644578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051222
observed 4e8cb8941942ecec0f8236457c487c18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:00.625422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051222/manifest.json
observed 10af7427c4241d16896d932939d6b78d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:00.605260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051222/publication.md
observed 0d6237085108002f361a3beec8672ee8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:00.586633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051222/publication.txt
observed 8dcc261618c673600da0e96e111e8aa4...
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.