OpenTechnical

OT-2026-000011403

Publication integrity record

Four cup vacuum gripper, four zone face, three stage ejector, vented 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-2026-000011403) never changes.

Identity and time

Publication numberOT-2026-000011403 · never reused
Internal UUID01a0ae6c-88fe-758a-9ed0-47ac01475ba2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011403
StatusPUBLIC

Content hashes

Canonical text983d93d0b807f63847e7789b842b7589fe984b8a90742994a22bc6b3c2bb3322
Markdown7d96bc63dca8fc1ef3371fa002801fcbf84505838b2737524b94130340179164
PDF
Publication pageda4495f5230bac59a69b11a5a51c7be417db6bbdf355d7c8a0247214aa794e67
Manifest33193ee71b96994200ae7f86ee27479c1cb315e322a15869792b5233ece3d4f8

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
SignatureBa3k8LFeW/30Nw7pm2OLVMdl74VQGn6MlUvCpwl+s9aaKHZJ8Z49GrDg7pa2j04jpsLBC+L0hkvkX5azLAaWAQ==
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

2026-09-17T12:13:09.107972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011403
observed da4495f5230bac59a69b11a5a51c7be4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:09.088886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011403/manifest.json
observed 33193ee71b96994200ae7f86ee27479c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:09.069470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011403/publication.md
observed 7d96bc63dca8fc1ef3371fa002801fcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:09.031317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011403/publication.txt
observed 983d93d0b807f63847e7789b842b7589...
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.