OpenTechnical

OT-2026-000063875

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-2026-000063875) never changes.

Identity and time

Publication numberOT-2026-000063875 · never reused
Internal UUID01a0ae8d-53bb-704b-b79d-f2ba424917af · 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-2026-000063875
StatusPUBLIC

Content hashes

Canonical text08640722d1f1eafd14074e2d55ac0ca7cec2a455a6510d0652bb522d103275c6
Markdown2a87d8ef0317a88d96fb097a25667f21955f1bf319543d6a8ddbee85f0c5d357
PDF
Publication page1d7abf5d94ff9d1b968834b0c6ae72e6be9dfcc207bb4aceb183925762d900ce
Manifest4f1f8c7713693fa2e5557df58697d547275b989ebee226a334dc845555f8fe1e

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
Signatureuh7bZOQb38xiIKV3fD6wyOzAQJdxT/ej+F4/Feu0Cb1ycx2q9AUinDaJjNOPeqhVVfKAYRDgfjnTGaf/4gHEBw==
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

2026-09-17T10:36:54.910721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063875
observed 1d7abf5d94ff9d1b968834b0c6ae72e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:54.894717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063875/manifest.json
observed 4f1f8c7713693fa2e5557df58697d547...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:54.877436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063875/publication.md
observed 2a87d8ef0317a88d96fb097a25667f21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:54.859975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063875/publication.txt
observed 08640722d1f1eafd14074e2d55ac0ca7...
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.