OpenTechnical

OT-2026-000005337

Publication integrity record

Vacuum cup gripper, per zone isolation, plant vacuum fed, contact triggered

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-2026-000005337) never changes.

Identity and time

Publication numberOT-2026-000005337 · never reused
Internal UUID01a0a935-defe-7c3f-b058-0807513fcba3 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:54:35.136694Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005337
StatusPUBLIC

Content hashes

Canonical text1150c7f38f2192745225a9e742a8b21eed98ce7b21e31b79462954b1be335df6
Markdowneec8697b91351a552da726284e71c64b82efb5ad1be361048239282088870333
PDF
Publication page0affc6daf2db0f730d36e907b7a519e76b5d8687280906e7549083412c38bfe7
Manifestf840a95c203dfdb31e1120fdb1990560a85eb10d8bd8b1f0503e785d907658eb

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
SignaturecwPbC+R0oNf2DNjZMWoYiB4gdR7eDEqBDrk8mUX5m9RSiWeiGLqL1vMTRssaPZw+FXET6VbkuWI+hGxGW+tsAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:21.131534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005337
observed 0affc6daf2db0f730d36e907b7a519e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:21.004738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005337/manifest.json
observed f840a95c203dfdb31e1120fdb1990560...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:20.990744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005337/publication.md
observed eec8697b91351a552da726284e71c64b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:20.976409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005337/publication.txt
observed 1150c7f38f2192745225a9e742a8b21e...
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.