OpenTechnical

OT-2026-000071230

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000071230) never changes.

Identity and time

Publication numberOT-2026-000071230 · never reused
Internal UUID01a0ae91-e0ec-7217-9779-94658664ea03 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071230
StatusPUBLIC

Content hashes

Canonical texte254d1ce371e644ab26bddf84e3b14215178e48da20511e79f5fc25c1ed48b78
Markdownbf936bc77a806523aed55972a6aaa179d37a21b29f9138214b8c9c5e59706841
PDF
Publication page480b38b129023d9e516474b3c94e7794dd15dbde24f48afbaf0c1a808db13336
Manifest6c052cbcb4b069ba50d78c197840fd3f373fff0809a1031fd5fcb9cbe529d5f0

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
SignaturelK63TI9sb7ONAzdXp55pTo2TfzUt7uUwCrv49lw1VqqC283/poWP0n+vCKW+7FCidH4KLsko8Sv1J4rs+0ixAw==
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

2026-09-17T10:24:46.422339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071230
observed 480b38b129023d9e516474b3c94e7794...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:46.404471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071230/manifest.json
observed 6c052cbcb4b069ba50d78c197840fd3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:46.387185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071230/publication.md
observed bf936bc77a806523aed55972a6aaa179...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:46.370081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071230/publication.txt
observed e254d1ce371e644ab26bddf84e3b1421...
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.