OpenTechnical

OT-2026-000037552

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000037552) never changes.

Identity and time

Publication numberOT-2026-000037552 · never reused
Internal UUID01a0ae77-b8ce-736a-a46e-82398378b51a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037552
StatusPUBLIC

Content hashes

Canonical textfd7ffcf7954146364cff0678fbf9f2e9af804da51cf76f71a3b52618698ce2f9
Markdown3a09a3963eff9973098d9efac0c80079330370fa8fe077eedd98d07311e594ed
PDF
Publication page6f681e92be7653ecbc066def952b50fe8b74a1aa8fd4a06fab3d2470cd2373da
Manifestbe289cc33435f04b464897ce147d666cac736cc4a83e0a1af14d246794fff4ab

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
Signatureb15ARKm50X8cRVHTkB+X914fi6pGCC5pjEXnEyA1EL8hQExxr55Zov9EhutVkYz9FwqkSpK+3RsxcVBOWkJ8Cg==
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

2026-09-17T11:24:05.674651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037552
observed 6f681e92be7653ecbc066def952b50fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:05.656967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037552/manifest.json
observed be289cc33435f04b464897ce147d666c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:05.637822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037552/publication.md
observed 3a09a3963eff9973098d9efac0c80079...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:05.619200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037552/publication.txt
observed fd7ffcf7954146364cff0678fbf9f2e9...
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.