OpenTechnical

OT-2026-000093115

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off before set-down

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-2026-000093115) never changes.

Identity and time

Publication numberOT-2026-000093115 · never reused
Internal UUID01a0ae9e-0910-7cb8-9977-489dd949f580 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093115
StatusPUBLIC

Content hashes

Canonical text22ad001c113e04f989cdc37027d5c31e6501510766331a86079536be0ebf8ba1
Markdownde325953bd9f72cc5ab33535acfd8f2da073f6d0b2a6130d428703f61d092761
PDF
Publication pageaadd415f618b55b8e051093c7cf62dd1873a0310131761f8ee164f50cf4c5da7
Manifest59ef3c881f9dae6a903dbde17b61481017e12f9295b74f179c6d0e02a7a12c75

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
Signature7btOY1BSZs/WZECFMnAkufo008nwOdF6DvhGbnq+Kyhkh9kkCy8/UPHJ1mosgURBonfcNzUG2zs7VhyK4cwyDw==
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

2026-09-17T09:40:23.982505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093115
observed aadd415f618b55b8e051093c7cf62dd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:23.965032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093115/manifest.json
observed 59ef3c881f9dae6a903dbde17b614810...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:23.946031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093115/publication.md
observed de325953bd9f72cc5ab33535acfd8f2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:23.927949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093115/publication.txt
observed 22ad001c113e04f989cdc37027d5c31e...
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.