OpenTechnical

OT-2026-000039152

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000039152) never changes.

Identity and time

Publication numberOT-2026-000039152 · never reused
Internal UUID01a0ae78-9673-7f7d-967f-6257b9b0788d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039152
StatusPUBLIC

Content hashes

Canonical text91c83b136128c8be579a1fefb75b958d83e89de5321ee350712a1254c2f26c6a
Markdownf06eff66f617f7324fb85a77110d3408fe871199dc7fac290b73d0949ba12555
PDF
Publication page2a9d6345cde44cc764c2bcbcc90729daec5f1b4f45a6de7beea775232f5d9df7
Manifest9da5786391a3822ff3159d4adb3c8c1e2e84d74d3d5a56ee26d11d30cdc31ff4

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
Signaturekn3V5rQGN0jfHlAIFF9SCGrQbdSJXyl0W4Tva35ONmM9HdOQh+VYwIfVIRlkWnt/ZRWcLgkWy2vR1+u4qwxODA==
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

2026-09-17T11:20:39.803740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039152
observed 2a9d6345cde44cc764c2bcbcc90729da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:39.786037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039152/manifest.json
observed 9da5786391a3822ff3159d4adb3c8c1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:39.769553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039152/publication.md
observed f06eff66f617f7324fb85a77110d3408...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:39.754048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039152/publication.txt
observed 91c83b136128c8be579a1fefb75b958d...
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.