OpenTechnical

OT-2026-000033047

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, 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-2026-000033047) never changes.

Identity and time

Publication numberOT-2026-000033047 · never reused
Internal UUID01a0ae75-4843-70ca-a351-7da16071ccd1 · 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-2026-000033047
StatusPUBLIC

Content hashes

Canonical text5c9fe621bc7ccea7ac3cdb160d6da7a0e6a608780d505682dad6c7d9acc32447
Markdown2d88028d4f9fad90973d80790dd717afba30a3ae03365857e50636daf5465275
PDF
Publication page6eafff3385f2fab9a595dc77a4c749621ce5c9c91774781e30f16c6020c8a082
Manifest5fa157ed730283a384898e5158fa47b666643e18be2161f3d74fbd4938384870

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
SignaturemWSUm+y6asr0x8KRmrbvmZi3gXXsJWvf0dc0dyPY3eNZjkgaWwHVg6kLFcGlTFXhGGZv8tmZhx0sqOWs9cv+CA==
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

2026-09-17T11:32:41.197896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033047
observed 6eafff3385f2fab9a595dc77a4c74962...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:41.180857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033047/manifest.json
observed 5fa157ed730283a384898e5158fa47b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:41.162506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033047/publication.md
observed 2d88028d4f9fad90973d80790dd717af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:41.143890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033047/publication.txt
observed 5c9fe621bc7ccea7ac3cdb160d6da7a0...
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.