OpenTechnical

OT-2026-000018417

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000018417) never changes.

Identity and time

Publication numberOT-2026-000018417 · never reused
Internal UUID01a0ae6e-b489-707e-b28c-1c400fe37481 · 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-2026-000018417
StatusPUBLIC

Content hashes

Canonical text7cb9c26d957f0111304cfa672ab46c1eb441ee56e60359c83da11f0bc06ff024
Markdown44fa708e3635a0b629d45e53c4a9d0ca8ac587f8fe32f315e20ffaf90a55f01e
PDF
Publication page218c99bf2cc18b3733fd0e9918666242bafda06277485d565f910c459a217248
Manifest6223913b538bf295938d2220bc03dc97c9fabade4704c3da371a21d8efc1078a

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
Signaturets3KviN23GcmByBzkw2WSFKDkE+DIcKk09KhBYhA837B8JVTawzYhccygFr8he6fznnWCfBaC3hp1MxB2/29AA==
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

2026-09-17T12:01:09.855436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018417
observed 218c99bf2cc18b3733fd0e9918666242...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:09.838444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018417/manifest.json
observed 6223913b538bf295938d2220bc03dc97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:09.820242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018417/publication.md
observed 44fa708e3635a0b629d45e53c4a9d0ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:09.803189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018417/publication.txt
observed 7cb9c26d957f0111304cfa672ab46c1e...
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.