OpenTechnical

OT-2026-000018145

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000018145) never changes.

Identity and time

Publication numberOT-2026-000018145 · never reused
Internal UUID01a0ae6e-b488-776a-87db-0bb22528da81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018145
StatusPUBLIC

Content hashes

Canonical textbbac63466be644fe7efa8b8b6232a351a35c5af9904affe69b98bf2b36ae004a
Markdown75b13b52d87339d549fe2cb347fe9596108472e20272d3a2aa63c303ad6b4aed
PDF
Publication page02b5e8583d4ca701cecead28e58bec1feb5a6d991cebd092df75065a076a6d1d
Manifestcb678ebbcff481146a46d3624d5501347dfce3013edd8ef2ff420751bd679351

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
SignatureFyOHPgGb1Js+igZmB5i/FglNCujijM5qB7To0DUpVS45zz9tZxaVh+AmUwEJw1fIn9LImlPHkl4AHxlC81Q9Dw==
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

2026-09-17T11:59:53.506936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018145
observed 02b5e8583d4ca701cecead28e58bec1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:53.489667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018145/manifest.json
observed cb678ebbcff481146a46d3624d550134...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:53.471484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018145/publication.md
observed 75b13b52d87339d549fe2cb347fe9596...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:53.451906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018145/publication.txt
observed bbac63466be644fe7efa8b8b6232a351...
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.