OpenTechnical

OT-2026-000019392

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, manifold 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-2026-000019392) never changes.

Identity and time

Publication numberOT-2026-000019392 · never reused
Internal UUID01a0ae6e-f393-7ccc-b291-68fdf5d843b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019392
StatusPUBLIC

Content hashes

Canonical text88da501eed28aee43c32250d4194176204c327fe118e8449c8f8e3015eae9a62
Markdown4a73c285777ea70f4e986462807c9567d2f60d75ee479dacfb3d6b4512912feb
PDF
Publication pageda20e05f6396e8cf6949dcbc7d5a33f46795a026cf4668f083e7a8fb52b2e16f
Manifestfc47ae404598d571b99f7506b7a8bef12720e3f9ad38fe5b15e587690c52cd8c

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
SignatureccRoZ1xVyli+IA1x9rFd9gpQwZBBkXeKkFwT9ywzB593cnqFabiCytwefeXRpj4X9yI/akPYQqodg6D7RmN4DQ==
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

2026-09-17T11:58:46.611143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019392
observed da20e05f6396e8cf6949dcbc7d5a33f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:46.588766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019392/manifest.json
observed fc47ae404598d571b99f7506b7a8bef1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:46.568471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019392/publication.md
observed 4a73c285777ea70f4e986462807c9567...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:46.551666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019392/publication.txt
observed 88da501eed28aee43c32250d41941762...
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.