OpenTechnical

OT-2026-000019925

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two 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-2026-000019925) never changes.

Identity and time

Publication numberOT-2026-000019925 · never reused
Internal UUID01a0ae6f-1fb7-7515-80da-b645868b76d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019925
StatusPUBLIC

Content hashes

Canonical text3e8efa2a56e4d09cb380486b97467d2e53ce35704b47b8ddbe87fec68f539483
Markdown57defbae2e00126601027eb545fe8fe27d2254a44a63ac94c9f84e96f0e50cb2
PDF
Publication page7f6494e22a0029c6b10db9dd833444867a5c4aedfdbcb9938ddad2d037dc070e
Manifest2ed2ff3e8103a166afa1e259b70f671332eca961bb163bad9c609394322610d8

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
SignaturenyQjvQI0Qq7QyvbngFeEYYS1RKt+ZwOCIF50pYbKObHp8lzQPPY5yoM1R+FDCA2Yj66wv9DEJqGSZ9yLuv61Cg==
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

2026-09-17T11:58:08.709957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019925
observed 7f6494e22a0029c6b10db9dd83344486...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:08.690717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019925/manifest.json
observed 2ed2ff3e8103a166afa1e259b70f6713...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:08.671914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019925/publication.md
observed 57defbae2e00126601027eb545fe8fe2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:08.654168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019925/publication.txt
observed 3e8efa2a56e4d09cb380486b97467d2e...
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.