OpenTechnical

OT-2026-000033223

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000033223) never changes.

Identity and time

Publication numberOT-2026-000033223 · never reused
Internal UUID01a0ae75-4844-7dd2-9318-60db386dff5f · 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-2026-000033223
StatusPUBLIC

Content hashes

Canonical text87f2b8f714f827ad70c0b4e5da5862ee1718d74d75e8ffa2569e837e3b4f3316
Markdown6663ea02c5aa4aff45d6cc291f64cb4acddc362c277c3fbee840fd9a8b7f35cf
PDF
Publication pagecf6ce063669aafffb64494ec6551df2999b9f92f74a6f4b457e3eea3f528dc67
Manifest4029aa81f87d4be4f04e4ab7f01ecc71b3a563f79ac09f2c0cc7fbd3cfa0cb23

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
SignatureQ/ePlM7rrKv39nbdi/JsBivnylxThdlsyq6Nh4oZYxQbqTUYgg1lqYS2DykuV+fBgfg1PaYNeeWHEmutkuz/Dg==
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

2026-09-17T11:32:55.643779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033223
observed cf6ce063669aafffb64494ec6551df29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:55.623419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033223/manifest.json
observed 4029aa81f87d4be4f04e4ab7f01ecc71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:55.605501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033223/publication.md
observed 6663ea02c5aa4aff45d6cc291f64cb4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:55.582819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033223/publication.txt
observed 87f2b8f714f827ad70c0b4e5da5862ee...
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.