OpenTechnical

OT-2026-000023426

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000023426) never changes.

Identity and time

Publication numberOT-2026-000023426 · never reused
Internal UUID01a0ae70-7268-70bf-b4bf-01738a367feb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023426
StatusPUBLIC

Content hashes

Canonical text7b20abe642c18f0d856d5158a3a09607792a43f89721a7e5d965a3c7a0ea441d
Markdownbc3c9102199bc498841ad602779aa8fa9add91553ed0530062e3c940932e0e32
PDF
Publication page70370b2929292c8279f70284848b23e1044eaf14a5c3b024d095ce35288c9bf8
Manifestb31a8867715c2e7e41924a81157b550431fe7084e7e18681a903498ff10db293

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
Signature8Vx3dPZhSZx5gwYLTHBg9XkSl/TAVd7uK1qj4Ys5sj0Di4dbOy+jq2Ppk4IzG8ijletsotCMyg0MM2ykYuj8CA==
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

2026-09-17T11:51:38.174322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023426
observed 70370b2929292c8279f70284848b23e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:38.158398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023426/manifest.json
observed b31a8867715c2e7e41924a81157b5504...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:38.143804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023426/publication.md
observed bc3c9102199bc498841ad602779aa8fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:38.126919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023426/publication.txt
observed 7b20abe642c18f0d856d5158a3a09607...
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.