OpenTechnical

OT-2026-000010817

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000010817) never changes.

Identity and time

Publication numberOT-2026-000010817 · never reused
Internal UUID01a0ae6c-540c-7b5f-afbe-074c29f182d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010817
StatusPUBLIC

Content hashes

Canonical text843bf17390e556762f843595c8f9f66e6d957ab339d54cc8e3275e7f2b529090
Markdown4044994d9348b14dc4d6a2ea8b37404406b730ecf4bd8b0c3087ce91d7cb37b0
PDF
Publication page4307148865ed2e10681f980d9b1bb185eb332affdf8c699158890e918f7a261a
Manifestacde8a2cfc36eb9ad5db11fa33f1cb4a6a22556d795edb7d6fe2038d3f0a661f

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
SignatureFf/kKf3fF88a5D9ym8cwyme1u7QYSdujEF+oAhaifKHrng4qwfegQO53k27qYbjCzEBSf+Kasv5CqCQC5wCJBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T12:13:33.052760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010817
observed 4307148865ed2e10681f980d9b1bb185...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:33.030552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010817/manifest.json
observed acde8a2cfc36eb9ad5db11fa33f1cb4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:33.011531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010817/publication.md
observed 4044994d9348b14dc4d6a2ea8b374044...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:32.992102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010817/publication.txt
observed 843bf17390e556762f843595c8f9f66e...
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.