OpenTechnical

OT-2026-000043890

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000043890) never changes.

Identity and time

Publication numberOT-2026-000043890 · never reused
Internal UUID01a0ae7b-d677-7213-a950-99bc8438f31e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043890
StatusPUBLIC

Content hashes

Canonical text913362636607fb7f52f022146926ec7a8c3f3790af9b2fc36af8b782f8da2230
Markdown5339d6356ef44ef9c1e3349b278eb8fb02f0add5541861b827d0f814e4f7fd00
PDF
Publication page7c6537fc36fde10bd47bb8ad8f667c4144b31da9551b26f6c4bbaf5733c8f6b6
Manifeste6366534a3437f6e2245bcde108004fd23592ca5ff95c0e9c2d24c6a945a3d0e

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
SignatureBpJX6UvQJMQB5KgB8jArK6TBh/U06xmEHRSDT2tBofCdU9j4BoW6/oxpTRS8RzJCmWaoreB0gMNhf/RWtnYxCw==
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

2026-09-17T11:12:13.379823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043890
observed 7c6537fc36fde10bd47bb8ad8f667c41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:13.362866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043890/manifest.json
observed e6366534a3437f6e2245bcde108004fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:13.344337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043890/publication.md
observed 5339d6356ef44ef9c1e3349b278eb8fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:13.327151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043890/publication.txt
observed 913362636607fb7f52f022146926ec7a...
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.