OpenTechnical

OT-2026-000015844

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000015844) never changes.

Identity and time

Publication numberOT-2026-000015844 · never reused
Internal UUID01a0ae6e-0c4c-72ae-83f0-d85db5f23626 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015844
StatusPUBLIC

Content hashes

Canonical text7b74bb2626f8cfd2ee97e01d7128820b12578dd9056ca985d9495f0168339135
Markdown6dca6b94832c6b161bf0515e0bfc85779f8e6f261efc77df87663875ab5869f7
PDF
Publication page80a7de17075c276178de4d11427b77cbdfddb66411e2b92415e42170ea63f108
Manifest12a3a32921ecccdf72d13ce0b4df97b3568276d1a202a43b6c710ddd129d6315

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
Signaturezyi3jhMH8+z+MMeKelfc+TdBhNhFGrL9i2W0w2wR1u7RmuiYFTaH2uq9HfYCueg+5BWfbI5Yhko5s2n2nhkoBA==
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

2026-09-17T12:05:10.076713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015844
observed 80a7de17075c276178de4d11427b77cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:10.059356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015844/manifest.json
observed 12a3a32921ecccdf72d13ce0b4df97b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:10.038331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015844/publication.md
observed 6dca6b94832c6b161bf0515e0bfc8577...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:10.021572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015844/publication.txt
observed 7b74bb2626f8cfd2ee97e01d7128820b...
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.