OpenTechnical

OT-2026-000014082

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, 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-2026-000014082) never changes.

Identity and time

Publication numberOT-2026-000014082 · never reused
Internal UUID01a0ae6d-8deb-7a76-bd44-71816326e371 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014082
StatusPUBLIC

Content hashes

Canonical textbb37974364db67847d3c0bfc0fc428cf8658152ee5a8535782c5add96d4a9ce1
Markdown59eb098e8c0f452fddec21d2ef48a5c8ee60926a093e3b6f7314682b550fd51b
PDF
Publication page5d896669165aa131e96ff44e0fb5cec497a9d2c9132d862481c45da7b90fbba0
Manifeste7250a87ab3d8e2615712b6cd940a0d00b8a5dc8283af5a123982971ab01d22b

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
SignaturehvvL+kfElE0muJXYaxYFGGIEqXnSHRYyb/g/VyIQvxGy0hvfW+lEYwLn3/kAbPXT9LvuJhVPQB0LU6aw5c+gCw==
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

2026-09-17T12:09:20.003448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014082
observed 5d896669165aa131e96ff44e0fb5cec4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:19.983484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014082/manifest.json
observed e7250a87ab3d8e2615712b6cd940a0d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:19.963931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014082/publication.md
observed 59eb098e8c0f452fddec21d2ef48a5c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:19.943215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014082/publication.txt
observed bb37974364db67847d3c0bfc0fc428cf...
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.