OpenTechnical

OT-2026-000083248

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000083248) never changes.

Identity and time

Publication numberOT-2026-000083248 · never reused
Internal UUID01a0ae97-c963-72a8-bc38-0a8c6e118b98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083248
StatusPUBLIC

Content hashes

Canonical textf975ce581c23ff4c9a69b0374a92454b814d142e52d62da8cb5ec3ef26b941a4
Markdown6e7a43f96cc4010064f003e863f7feb046506d24d67fc7edc6dfac8c1b0a11da
PDF
Publication pageab74048ac8df97c7b42e717c5c7ffc31c209f976f53ea6c565e5744a3e0df300
Manifestfda07d1b330aeed529f08afc8f582c731389359d7d011bd0dc898224281f0bca

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
Signaturel7WcPLRBtMaEAnW6dd9elMJheQb3+JqJqinftKJk6Uzt4Z9g5nokfNFI0C9FOvkoZRy3uMBcvkZK6YWsJpPFBg==
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

2026-09-17T09:01:14.634779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083248
observed ab74048ac8df97c7b42e717c5c7ffc31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:14.610138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083248/manifest.json
observed fda07d1b330aeed529f08afc8f582c73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:14.587028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083248/publication.md
observed 6e7a43f96cc4010064f003e863f7feb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:14.565882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083248/publication.txt
observed f975ce581c23ff4c9a69b0374a92454b...
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.