OpenTechnical

OT-2026-000022146

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, sustained 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-2026-000022146) never changes.

Identity and time

Publication numberOT-2026-000022146 · never reused
Internal UUID01a0ae6f-f4fb-7d89-b822-db08b6cff1f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022146
StatusPUBLIC

Content hashes

Canonical text5f8249da6b254d68e5c8c680fd9e32cae4b1827c24e785634c8c8d519518027e
Markdown8fff66f7a74833a089ecbaf8c7cd566f5abb1dac4b0fab44fe17dde8824a0f51
PDF
Publication page2da082daf92d570af7d1360e27f5f14e859bfda44739570c2741e89716424623
Manifest968484b61351bf468d7fb0e386ca422b2f140751e9f5cfa4a0728e1787ecfabf

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
SignatureDU4ixALQD9qScWFjOAGMM9kz7hyZxRA0ToOXI9WhJrs8TbFcCzBJ80m8y4+mDjxmXVKjn+L/kXaDTdCh0yRrDA==
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

2026-09-17T11:52:49.349851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022146
observed 2da082daf92d570af7d1360e27f5f14e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:49.331761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022146/manifest.json
observed 968484b61351bf468d7fb0e386ca422b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:49.315082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022146/publication.md
observed 8fff66f7a74833a089ecbaf8c7cd566f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:49.297170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022146/publication.txt
observed 5f8249da6b254d68e5c8c680fd9e32ca...
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.