OpenTechnical

OT-2026-000084398

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000084398) never changes.

Identity and time

Publication numberOT-2026-000084398 · never reused
Internal UUID01a0ae98-5b62-70ad-9da2-e4f9ffb75c16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084398
StatusPUBLIC

Content hashes

Canonical textc88dc731801ecf4652bf6689609cc35957781c0ab133213ace8e76579be3a47c
Markdownb7975e888036259750f43d70dc7b7c5334ee858f0a0b4fd49c4842a73897008a
PDF
Publication pagee503773f1ce42972490c81a69c913a47d24c1f214e13b7c886f1b6bf38f90bca
Manifest0c60b3f801740c7a2a9740dfd02a9da2b51b45228c65dba5fa52d9ef852d5af5

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
Signaturec4RkoR5Z9RaYlzA3HhXmy9IPm26XzLVhHEglXj9vcUlk56Xd46QMM8gvO0aQo/sdU9VmOK18z+yfMhsbO2cJAQ==
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

2026-09-17T09:56:20.582051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084398
observed e503773f1ce42972490c81a69c913a47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:20.563692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084398/manifest.json
observed 0c60b3f801740c7a2a9740dfd02a9da2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:20.547125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084398/publication.md
observed b7975e888036259750f43d70dc7b7c53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:20.527662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084398/publication.txt
observed c88dc731801ecf4652bf6689609cc359...
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.