OpenTechnical

OT-2026-000050188

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single 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-2026-000050188) never changes.

Identity and time

Publication numberOT-2026-000050188 · never reused
Internal UUID01a0ae82-5c45-75a6-8c77-43c71f9a65b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050188
StatusPUBLIC

Content hashes

Canonical textc7a88da37361f64195d8b3e4d261fb99e775874c391eca24245ae6ab43a4d41a
Markdownb5de87ba3acdc582f824171fbaf6f248ad20b77a88382969e165a6e5999431fe
PDF
Publication paged9ea45c6aab99402964be183d080a038bc54247a3b7e5cfbf8e8fbbb95169605
Manifest5c796946fd8a48ae08313727f23ff883dd837db45a5cbd487b3dc5aba4a2989d

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
Signature9tPnlYIYNjZ+fQFSTstaEdJTdbLIrqshspGawvF/ilZxACo1Inl1OmGYRKfY4KdAgp1m5JqOl/NuA8gqW+xmAA==
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

2026-09-17T11:01:10.320411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050188
observed d9ea45c6aab99402964be183d080a038...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:10.302547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050188/manifest.json
observed 5c796946fd8a48ae08313727f23ff883...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:10.283366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050188/publication.md
observed b5de87ba3acdc582f824171fbaf6f248...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:10.266661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050188/publication.txt
observed c7a88da37361f64195d8b3e4d261fb99...
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.