OpenTechnical

OT-2026-000037580

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three 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-2026-000037580) never changes.

Identity and time

Publication numberOT-2026-000037580 · never reused
Internal UUID01a0ae77-b8cf-77bb-9b84-86f1e722f067 · 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-2026-000037580
StatusPUBLIC

Content hashes

Canonical text0c8393a5fc53e5e1d09ec441e59d8fe8a5cec8399656b7b03af3fa33fefbc819
Markdown95898575ba4ade85e7c4a0cd2965784053188f485b47235ace19f2b8375c2d9b
PDF
Publication page254944f0a83ff217b5e1a8aca36172f958317901afb0f1b4fa15f35d7f09b0b1
Manifestdd70c924bf9ac0f36eea589508cee8a61db7da32e919abb13c3cecb1ca4103cd

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
SignaturecWgYRKpkwSve61bGcE6aNCqqzIEXqmlw2mUPxk6KHXPiN1TE6wX8/nRi9353syreBLywiaEJTBZ+vv21pKg5Bg==
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

2026-09-17T11:24:07.742403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037580
observed 254944f0a83ff217b5e1a8aca36172f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:07.724882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037580/manifest.json
observed dd70c924bf9ac0f36eea589508cee8a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:07.707892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037580/publication.md
observed 95898575ba4ade85e7c4a0cd29657840...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:07.691155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037580/publication.txt
observed 0c8393a5fc53e5e1d09ec441e59d8fe8...
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.