OpenTechnical

OT-2026-000066051

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, three 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-2026-000066051) never changes.

Identity and time

Publication numberOT-2026-000066051 · never reused
Internal UUID01a0ae8e-8dc2-7df4-b99c-c01f6b64aa8a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066051
StatusPUBLIC

Content hashes

Canonical textb5e53c8a9fa65a9b5dd5437bade99ca7011d1d0ead19cdb76a28467c24b591bc
Markdown5689799a4f62d4bfd595101580051d3dc8108335c07751845fd270c467b5b25f
PDF
Publication page84b704adcb2cf9a041905f24cb14bf2b60334ceb3c0440ab3dbe6f3dfc15e017
Manifest1a98ab303fb597ffc5a70615fa6a4904dd6db9fb135a393121cb9aa73df22db2

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
SignatureZTMvPuI0a4J8dx3NNDA5kfJIaEtOE+HGHtsyrviGVWz1DSuyeqSwpgYSNczDwmxlq4QaBIWhGh+d/4gFb6FuAw==
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

2026-09-17T08:50:40.026577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066051
observed 84b704adcb2cf9a041905f24cb14bf2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:40.008572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066051/manifest.json
observed 1a98ab303fb597ffc5a70615fa6a4904...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:39.988879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066051/publication.md
observed 5689799a4f62d4bfd595101580051d3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:39.839163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066051/publication.txt
observed b5e53c8a9fa65a9b5dd5437bade99ca7...
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.