OpenTechnical

OT-2026-000056049

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000056049) never changes.

Identity and time

Publication numberOT-2026-000056049 · never reused
Internal UUID01a0ae87-0a4b-70cf-915b-6147c3cdaa71 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056049
StatusPUBLIC

Content hashes

Canonical text5c8db0302fa9ffe3decf153ace886da6ba4bc947968289a77a95bd8a24092ebd
Markdownbe4f58b325242506f9c4b3e5a336b4568f0d7db3932ea726e5ba2faa30f4ecb1
PDF
Publication page723707e3d4de3102b8c76f8c5c96fc24d8883c79dd4c124995cd47e3adad3057
Manifesteb1bd4063bd23acfb5c1363ba98c5070d050ff722b43813496aea35b80bb76cb

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
Signatureq+q4leUq57MjHd8D/klJMtyeDoQYy/Wkqpl+G2fJubPNTm8T7tNx6UzMfi4EE4uCZsoy+qcYqPRbLXeHx8qRDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:34.922287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056049
observed 723707e3d4de3102b8c76f8c5c96fc24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:34.905201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056049/manifest.json
observed eb1bd4063bd23acfb5c1363ba98c5070...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:34.886856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056049/publication.md
observed be4f58b325242506f9c4b3e5a336b456...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:34.868946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056049/publication.txt
observed 5c8db0302fa9ffe3decf153ace886da6...
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.