OpenTechnical

OT-2026-000019709

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, pulsed 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-2026-000019709) never changes.

Identity and time

Publication numberOT-2026-000019709 · never reused
Internal UUID01a0ae6f-1fb3-7d24-a5ee-51baae483bab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019709
StatusPUBLIC

Content hashes

Canonical text78d4ec0c0f2036496b72d119f74a198ff556650ead3c58144e310078da23481d
Markdown2eae4e17d5cafad1a3ef2ad91ef46ede93b7d689156e95b8911694cbd47ede8e
PDF
Publication page9c5ffe6419e91b3433807b2cf2fe616888b57082c22db03654daa8ca25e689ce
Manifest503b140688978e2747320b084af5852c9d3d0df88f384f14c39bbe892590fbe6

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
Signature6kEmnkB8Ceal4zwfqUbGtlRZpr6q1mZNfvzN6Oq0yfPgoxTgvosMc8AajqH+7Y7fW33qNsJsT/lBPtW7pFzTDQ==
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

2026-09-17T11:57:47.686628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019709
observed 9c5ffe6419e91b3433807b2cf2fe6168...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:47.670638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019709/manifest.json
observed 503b140688978e2747320b084af5852c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:47.653775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019709/publication.md
observed 2eae4e17d5cafad1a3ef2ad91ef46ede...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:47.635505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019709/publication.txt
observed 78d4ec0c0f2036496b72d119f74a198f...
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.