OpenTechnical

OT-2026-000063883

Publication integrity record

Two cup vacuum gripper, two 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-2026-000063883) never changes.

Identity and time

Publication numberOT-2026-000063883 · never reused
Internal UUID01a0ae8d-53bb-78fd-b1fb-d1c375c10531 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063883
StatusPUBLIC

Content hashes

Canonical text37b901fda84c7ab5e4b4d791755b427c4c88476bb0ecd252f2d57f251939cd56
Markdowna69a9d5dac3ec93d24f2fb8c3378fe24fcb5448342aa559e4f2768542bd644e5
PDF
Publication page67d6d1d2bde670c005c20df386cd04d154c95f099a27ed68f6e0147361811653
Manifestc76a92346c978db3c747b087d51deb355b37592b8b6a2ed653c87beec9a509b5

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
SignatureY0YCckRl7q4dOKu5nEtea46pAH13mJKs/4PCqPWiRk82At3x6nEOzL6MtisYCW0FtioWg6MsYIDNBFpdelITAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:36:55.509261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063883
observed 67d6d1d2bde670c005c20df386cd04d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:55.492374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063883/manifest.json
observed c76a92346c978db3c747b087d51deb35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:55.475894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063883/publication.md
observed a69a9d5dac3ec93d24f2fb8c3378fe24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:55.457749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063883/publication.txt
observed 37b901fda84c7ab5e4b4d791755b427c...
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.