OpenTechnical

OT-2026-000038254

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000038254) never changes.

Identity and time

Publication numberOT-2026-000038254 · never reused
Internal UUID01a0ae78-2d51-7d8c-8644-2d419827d38c · 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-2026-000038254
StatusPUBLIC

Content hashes

Canonical textfc60afbf8ae6b59b5848855a44f34df4030082a0f102f31a64a766ac1d3cc254
Markdown506506543f7855d7d4d446e2f77e2d8f14407473aa5ee52da46010c6d73eff22
PDF
Publication pageaa8682fa533739f677aadc2504250f61271c288309402503dcfa15ef8b2183b7
Manifest2af143dd87f4934466df91042ee060cdabacb932c7aff63c2d50d16ab2383eaa

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
SignaturevtcaBAXkoz0SUoIEC/oJOUkel80u7amVkWVUt4D3b/vhstRFHEpNehyHk6DpAvQyeJLID4e46eAv9XGy6tHNBQ==
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

2026-09-17T11:22:24.542060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038254
observed aa8682fa533739f677aadc2504250f61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:24.521838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038254/manifest.json
observed 2af143dd87f4934466df91042ee060cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:24.502059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038254/publication.md
observed 506506543f7855d7d4d446e2f77e2d8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:24.483646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038254/publication.txt
observed fc60afbf8ae6b59b5848855a44f34df4...
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.