OpenTechnical

OT-2026-000045907

Publication integrity record

Foam pad vacuum gripper, four zone face, two stage ejector, pressure sensor per zone, 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-2026-000045907) never changes.

Identity and time

Publication numberOT-2026-000045907 · never reused
Internal UUID01a0ae7d-8f86-7a01-af44-237c146aeb04 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045907
StatusPUBLIC

Content hashes

Canonical text5c8c25f6ee73080e2d6f81dcc07ad188e528115bd563384dd1467a4b8d395a6c
Markdown92983dcda693a9c9b5483941e93cc78f4932a457514e7708e28ed4283d7db329
PDF
Publication page3757b7744b1170b3b06de23d8d1afc08d2478a13cc5fbd26e9b9ff2776017e5a
Manifestfc0d3412976b40b0d813799c3eb855596c423ed6499ecd090f3f89fca4bd23f1

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
SignaturevqiPqsGHnKv4q8M4sqAJWf00Bp7GTKAwkmLOsLLFatlY8GfuUDce+2mUgNy6rtdaaodruEkeZz/uZF6KgMFYBw==
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

2026-09-17T11:09:48.401826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045907
observed 3757b7744b1170b3b06de23d8d1afc08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:48.384651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045907/manifest.json
observed fc0d3412976b40b0d813799c3eb85559...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:48.364642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045907/publication.md
observed 92983dcda693a9c9b5483941e93cc78f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:48.346339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045907/publication.txt
observed 5c8c25f6ee73080e2d6f81dcc07ad188...
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.