OpenTechnical

OT-2026-000038421

Publication integrity record

Single cup vacuum gripper, two stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000038421) never changes.

Identity and time

Publication numberOT-2026-000038421 · never reused
Internal UUID01a0ae78-2d53-777d-bd14-8b1d17798fc8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038421
StatusPUBLIC

Content hashes

Canonical text05b6e69d75f28bf9afac2104e65f7777e878445d4dae8a6e75ca107d3547a7b8
Markdown9873082e2ff35641676579c5cd573a018f563a50969862b7e4466cb5bad391f1
PDF
Publication pageeab6225109451ef907a367b17b95cc38e309f44b5b9a18b6902483fc8576e153
Manifestff3dce15dd318e05a06012a845f383df5acc87212f6c03198c46b16d261ae4e0

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
Signature46IkDQs1CjBVoy+F7x1RxCFJ/Ap+9mHHwP2BGlpBPBzupyNucmVvXXphFMdNww1XqYy84V9qhs914B1nbQZfDw==
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

2026-09-17T11:22:35.620476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038421
observed eab6225109451ef907a367b17b95cc38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:35.599634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038421/manifest.json
observed ff3dce15dd318e05a06012a845f383df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:35.582272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038421/publication.md
observed 9873082e2ff35641676579c5cd573a01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:35.562390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038421/publication.txt
observed 05b6e69d75f28bf9afac2104e65f7777...
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.