OpenTechnical

OT-2026-000023926

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum 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-2026-000023926) never changes.

Identity and time

Publication numberOT-2026-000023926 · never reused
Internal UUID01a0ae70-aed6-7fe7-bacb-5a36557c59a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023926
StatusPUBLIC

Content hashes

Canonical text8c70beaa3f1848e3d40d7435ba7dacce5f43f418d4cdebb998719e1e3d271baf
Markdown07320d6a9b217ded304e2f38bbcbbb2cb78fa4084fb325fe2f66d442db0735e7
PDF
Publication page3a81e557f2343998affa8b50a64bd0c926f4dc39aab2dda79bd9f9f20146c254
Manifest26b49b8769f66f82a89710d0c89ba4a69864fa4b3a30cda750157f77d9b5a95c

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
SignatureYwCfzTK7LwywRwa41ZFd8b7klWypuYF2sql+HdqYbnLdvcSMaFFgyUWy4jIhPzXdPTg0OAG3emegAITIow6KAA==
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

2026-09-17T11:50:32.999496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023926
observed 3a81e557f2343998affa8b50a64bd0c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:32.983638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023926/manifest.json
observed 26b49b8769f66f82a89710d0c89ba4a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:32.966904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023926/publication.md
observed 07320d6a9b217ded304e2f38bbcbbb2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:32.942817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023926/publication.txt
observed 8c70beaa3f1848e3d40d7435ba7dacce...
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.