OpenTechnical

OT-2026-000013301

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000013301) never changes.

Identity and time

Publication numberOT-2026-000013301 · never reused
Internal UUID01a0ae6d-6fc9-7bbc-a1ce-6d7653ddec6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013301
StatusPUBLIC

Content hashes

Canonical text7d131d9841fa0c2be7411bb437947136373480f8fa86fe490e0dd2d7d9b83135
Markdown8abc7602e117e166ef5dd05b621104ad685ece7bce83257aafb8533f921c2d6d
PDF
Publication page640c661e5bfb991be12c67632282841cf78467296539a8dc91d23aedd2b995f0
Manifest382ff93dd209e52641e77fec9ba71985f4a14b9c7a6f781d1e8ba72f108dc72b

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
SignatureKzxHuWmV5YRQFE9ZqEIlh6kZ6vfDXe4MWnNWWy/ypX0acAcR8SFKQiEpurD9fsqR/abE05Jt1ylhUmhsOgVyDA==
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

2026-09-17T12:09:43.673476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013301
observed 640c661e5bfb991be12c67632282841c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:43.652709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013301/manifest.json
observed 382ff93dd209e52641e77fec9ba71985...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:43.633729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013301/publication.md
observed 8abc7602e117e166ef5dd05b621104ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:43.613897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013301/publication.txt
observed 7d131d9841fa0c2be7411bb437947136...
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.