OpenTechnical

OT-2026-000043922

Publication integrity record

Two pad foam vacuum gripper, two 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-2026-000043922) never changes.

Identity and time

Publication numberOT-2026-000043922 · never reused
Internal UUID01a0ae7b-d678-70d5-8eed-61fecd4e1377 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043922
StatusPUBLIC

Content hashes

Canonical text30c9b6bc19294aacaf92222bae2af8bf5ee51bf98ef241de983b5f7b6c58d84c
Markdown731e5f64e57bda0e33eeeba9dc366a391d0e3318b7773349e401441f4e876e3e
PDF
Publication page108e7e670e6fa38d7565f8b2079ca3590b8eb4676216713e2d2a89a49ef3a7a8
Manifestaf8372f9836becdbbd41f02a015ae7876300cf2b94ff1f203a67bc31d20b03fd

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
SignatureMn89x5lObAU/8+Js9sHgjITBaXdZODDqlnrLn/LK0M2vdCQD9VeMvtiey+NutUCo69Pton5GFOovGVHzybUGBw==
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

2026-09-17T11:12:16.067622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043922
observed 108e7e670e6fa38d7565f8b2079ca359...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:16.050323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043922/manifest.json
observed af8372f9836becdbbd41f02a015ae787...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:16.030794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043922/publication.md
observed 731e5f64e57bda0e33eeeba9dc366a39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:16.012171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043922/publication.txt
observed 30c9b6bc19294aacaf92222bae2af8bf...
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.