OpenTechnical

OT-2026-000022071

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, pulsed blow-off before set-down

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-2026-000022071) never changes.

Identity and time

Publication numberOT-2026-000022071 · never reused
Internal UUID01a0ae6f-bb5c-7484-b550-2285d335ea83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022071
StatusPUBLIC

Content hashes

Canonical textf798c0eea1ee74aa8a89f27cf336d70ebc9266b478674b3cf336850b2bf70c7f
Markdown648f5e931d1306fdcecd3640e1d3a6857a5c0d80dd0e731592ad30a985bffa14
PDF
Publication paged16d4092a1e8884b1488c1d663c3b65f8e09e697c60e6a78900db0ab29c92b91
Manifest00766a8eb7125442312180c91a178526a0aea123f8c226850d75f806bffd2960

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
Signaturej01QrmoRpZh3oZAbIdtosB5gj/S/8mMlAfiK899dk94rQ+gYSZvVNpAJPOU32daBaE4pfG0yn9mtVZ6+DzVnBA==
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

2026-09-17T11:54:45.989263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022071
observed d16d4092a1e8884b1488c1d663c3b65f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:45.969927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022071/manifest.json
observed 00766a8eb7125442312180c91a178526...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:45.952548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022071/publication.md
observed 648f5e931d1306fdcecd3640e1d3a685...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:45.934222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022071/publication.txt
observed f798c0eea1ee74aa8a89f27cf336d70e...
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.