OpenTechnical

OT-2026-000064723

Publication integrity record

Four cup 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-2026-000064723) never changes.

Identity and time

Publication numberOT-2026-000064723 · never reused
Internal UUID01a0ae8d-deb9-76ef-b57e-965f6e06a1b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064723
StatusPUBLIC

Content hashes

Canonical texte41d45f32de131811259f5df2414e87b3ef1f2ed71c4c743991546fd001ba313
Markdown257dd6aeb0d50fb0d51f9bfda948c13bc1281678a26d7bdaca4bab0e494ca107
PDF
Publication pageaa0a0c05f0af016910679d855c7bb552029d493b245271fbec89c3d6216d9da4
Manifest4ce3c0ddd7c0fbfef6293fefa915ff5e067b27687daaaef03c11772c6e6cfed1

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
SignatureAgUAe7/vsGY7UOB5HQEvnUuIy/41d2zwmqMbzIu6R9fou4b7xZwHkzP70m18GaJHTX7pis6Z7i9P6rHPQvTjAA==
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

2026-09-17T10:35:35.925837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064723
observed aa0a0c05f0af016910679d855c7bb552...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:35.906976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064723/manifest.json
observed 4ce3c0ddd7c0fbfef6293fefa915ff5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:35.888890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064723/publication.md
observed 257dd6aeb0d50fb0d51f9bfda948c13b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:35.870275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064723/publication.txt
observed e41d45f32de131811259f5df2414e87b...
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.