OpenTechnical

OT-2026-000041906

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off 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-2026-000041906) never changes.

Identity and time

Publication numberOT-2026-000041906 · never reused
Internal UUID01a0ae79-e8a6-7371-a79e-234f7a942b16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041906
StatusPUBLIC

Content hashes

Canonical text4d4c589e0f72df8d81f789f608604e8812623123c87410223c5987ddb8f84fb4
Markdown988b6e500b8fbeca2e9bd4ef2b43c9f1a240e890655c82296c6aeee970f06846
PDF
Publication pageea1e778c0ad2b2a4a57b849ef398d9327571cd83e7b55ea473da56a51fdd6630
Manifest0a00bc8b69f80ef867f9d799374665ecf86a15d42b09dcf3c65988172c1cb193

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
Signature23y24FLrpbIN1G/9aVmoeVO12Ueh+l3TgKhIy4NZPEiCF3E0dwSQTXfwstHsatKi640F7f0/6KwIwHUUG3IfAA==
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

2026-09-17T11:16:47.205895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041906
observed ea1e778c0ad2b2a4a57b849ef398d932...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:47.188532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041906/manifest.json
observed 0a00bc8b69f80ef867f9d799374665ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:47.170618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041906/publication.md
observed 988b6e500b8fbeca2e9bd4ef2b43c9f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:47.152256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041906/publication.txt
observed 4d4c589e0f72df8d81f789f608604e88...
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.