OpenTechnical

OT-2026-000016992

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off before set-down

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-2026-000016992) never changes.

Identity and time

Publication numberOT-2026-000016992 · never reused
Internal UUID01a0ae6e-591a-79ac-bc65-834b3bf682ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016992
StatusPUBLIC

Content hashes

Canonical texta26b407a08114745c26ea4a4a0a894df20476ea5a0bdafbad4c75311cf9f95ba
Markdown89408c88c173f5effa848297b9259bc75db331c73a2d92b9f0f1093fa3b727c9
PDF
Publication page0326e4c10c494a321a8aab89146108e71b4725b760252607d02f9316aef1d501
Manifest192518f9e976f64851d2bbf6c1c52837c28c90d9be517697d7b399d6c661f900

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
SignatureP2YjNWqfqXNFnnB+VSKzj7E71Z10DnxORe9szR1Fr+X08X7wCACv6qOmpZAyERgUgGXbEYIxxwoJKGzXDKNBCQ==
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

2026-09-17T12:03:23.802064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016992
observed 0326e4c10c494a321a8aab89146108e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:23.786859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016992/manifest.json
observed 192518f9e976f64851d2bbf6c1c52837...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:23.771759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016992/publication.md
observed 89408c88c173f5effa848297b9259bc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:23.756815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016992/publication.txt
observed a26b407a08114745c26ea4a4a0a894df...
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.