OpenTechnical

OT-2026-000093581

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000093581) never changes.

Identity and time

Publication numberOT-2026-000093581 · never reused
Internal UUID01a0ae9e-508b-7df3-b7e7-67888003e578 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:46.038602Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093581
StatusPUBLIC

Content hashes

Canonical text7812487b874a068f06eadd458e4e556de67c5060ab99902feb6164cd757f11c7
Markdownb469a7b5c4bd6d8660cb0326d0fbdd40bdb3142835c9b588b550323dd9165ad8
PDF
Publication page5491f75ce8122276347928a3f5a501488ae7fd4c3bdf64428e070b89f158ca43
Manifest14990ab3d16cc22366ad665dcd6a9cbc92a8338a12e63237cabb7a2e0180cf3e

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
SignatureKDmmXqNIeYPiMfljPXGviZ9qmbRQiDLhkY4kloi5qKJIlJ3YdrXEtJuDrSpQyWXhLRLC/hutplgycD0ObHDLCg==
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

2026-09-17T09:39:36.961228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093581
observed 5491f75ce8122276347928a3f5a50148...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:36.943126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093581/manifest.json
observed 14990ab3d16cc22366ad665dcd6a9cbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:36.923180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093581/publication.md
observed b469a7b5c4bd6d8660cb0326d0fbdd40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:36.902948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093581/publication.txt
observed 7812487b874a068f06eadd458e4e556d...
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.