OpenTechnical

OT-2026-000012580

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, pulsed blow-off before set-down

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-2026-000012580) never changes.

Identity and time

Publication numberOT-2026-000012580 · never reused
Internal UUID01a0ae6d-39f7-7421-b7f4-31a867381196 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012580
StatusPUBLIC

Content hashes

Canonical textf79622e573c913535565d28efe3d44b2599e8b1f8e7dd55f13b380028c8ecf16
Markdownafd625dae360138a3cd45e1d65048fb761291dceac6700c927fc3f45e8621bd3
PDF
Publication pageb2df519a7f9a1a3262445b9430eb63a997dda2ad98d9cab36f6dc00b8622e047
Manifest71dd3d38c769a906e0fc1a1f123c51c6cd824d95d4ac5cec255982472062c98f

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
SignatureP4Saqttkii75lWDvjCCznJABGa5sBZ5bygX2HFcDmiwX1RU5b1wBmflpjr8i3LskolcaL4WY3A63YHWJCtbTCw==
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

2026-09-17T12:12:08.046201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012580
observed b2df519a7f9a1a3262445b9430eb63a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:08.027295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012580/manifest.json
observed 71dd3d38c769a906e0fc1a1f123c51c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:08.004676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012580/publication.md
observed afd625dae360138a3cd45e1d65048fb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:07.985645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012580/publication.txt
observed f79622e573c913535565d28efe3d44b2...
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.