OpenTechnical

OT-2026-000038597

Publication integrity record

Single cup vacuum gripper, common isolation valve, three 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-2026-000038597) never changes.

Identity and time

Publication numberOT-2026-000038597 · never reused
Internal UUID01a0ae78-2d54-71eb-b903-b8362d8353a7 · 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-2026-000038597
StatusPUBLIC

Content hashes

Canonical texta02e28c410d84b19a289255dbe20c5cc8c3901a9a9890600fe212760caabcce4
Markdown5074efd3903074767983f2df0611132044ceda9c2fdb8464c558d21c8405fe65
PDF
Publication pagece024bc26b41a20b23fb0cee29f3c188fb0d33443bf9da96ce46deda921e052e
Manifesta5035758ee09f8357520b4ceb9d5ad9585769305a523d1de63eb3537174287a1

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
Signature1FPH8gKXDFcwLVvdcRn7JUUVKB95aLy9BjwL1X0po5CB8vtXGVVWASqT+ZqSU1fSGadnpPboZM3syTOAcv4ZCg==
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

2026-09-17T11:22:52.858052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038597
observed ce024bc26b41a20b23fb0cee29f3c188...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:52.840447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038597/manifest.json
observed a5035758ee09f8357520b4ceb9d5ad95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:52.819824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038597/publication.md
observed 5074efd3903074767983f2df06111320...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:52.797406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038597/publication.txt
observed a02e28c410d84b19a289255dbe20c5cc...
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.