OpenTechnical

OT-2026-000039215

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000039215) never changes.

Identity and time

Publication numberOT-2026-000039215 · never reused
Internal UUID01a0ae78-9673-74e6-ac90-8721151e5f48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039215
StatusPUBLIC

Content hashes

Canonical text2b645cee2126b1f1fd28f65b8c0f89c053d0233370d3c2b0c6b8907a9fd2a743
Markdowne7528fa0f4e11fddf4e53c7d19d390e5df9c1c5895a6d544340b9807847ff9a4
PDF
Publication page2817a1499964186192c39246a10f87d3cc27194a76d36a10fb9c3b7ae95117f9
Manifestfb2851d5f557876d255abd975f79725431a7d4bb3065c4846956e7a67bd936c3

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
SignatureBwKN5xpEblnegDQ4ZSaWWWckXotHSuz37R6LGnNuQNn5rVeVofv+1MXgZblKtq269OR3ZCqOHBKEfJj+rsXiAg==
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

2026-09-17T11:20:46.026561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039215
observed 2817a1499964186192c39246a10f87d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:46.007651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039215/manifest.json
observed fb2851d5f557876d255abd975f797254...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:45.989887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039215/publication.md
observed e7528fa0f4e11fddf4e53c7d19d390e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:45.971317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039215/publication.txt
observed 2b645cee2126b1f1fd28f65b8c0f89c0...
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.