OpenTechnical

OT-2026-000039874

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000039874) never changes.

Identity and time

Publication numberOT-2026-000039874 · never reused
Internal UUID01a0ae78-d8d6-7140-9504-eb6f84b0e1b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039874
StatusPUBLIC

Content hashes

Canonical text733aa3fc52e374041b7e7c668ed0c83f03da5b7fd8e63631e0d93c5d713f155a
Markdown4f9deb3b0d7213e984dffc26baf7f9c86f9e15aa69a2fd287ab757488d58a54c
PDF
Publication page69cb4b57082b31f4534dc5017c626fc1cda8caee4410b478b63dea56464b13f2
Manifest434c191997343f9be6876e2ae67252621b049e5d4e55213ad0c2d329cf1b6cf8

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
SignaturerRYVHdWapX+k7vvKXYIidQz6vDUr1NsWP1qos8xVk9EJOwurvCqqShej4wbKguxD0KqEYs8Eu4kMhXaCwtojDQ==
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

2026-09-17T11:20:09.365463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039874
observed 69cb4b57082b31f4534dc5017c626fc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:09.347429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039874/manifest.json
observed 434c191997343f9be6876e2ae6725262...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:09.330494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039874/publication.md
observed 4f9deb3b0d7213e984dffc26baf7f9c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:09.311665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039874/publication.txt
observed 733aa3fc52e374041b7e7c668ed0c83f...
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.