OpenTechnical

OT-2026-000050684

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000050684) never changes.

Identity and time

Publication numberOT-2026-000050684 · never reused
Internal UUID01a0ae82-c7b0-780f-b7de-ea104203b115 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050684
StatusPUBLIC

Content hashes

Canonical text585aad6ad484a38b639a92d9557dcc0f301fb4f69fb67c3ea174ed19408478e5
Markdownfef5bf8b5cca49fc191918b024b7bfc66ce53596dff9fd8b5e78470fb2341318
PDF
Publication page769e55d2de0ab52c2e9cf0b0e2278a7c11217afb7028d9c0dd4fbf53506dd24c
Manifest74163e61d5f1ed9faf04cbdd334bb492370af38a3075ca95f066930e17483d80

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
SignatureDYbTf8ux5e1xakuO17NGxMNMwiRX9bXcyoTVJ6O5ipU6QOejfCZ990wTQOtO5up8dvwVxvIlOxgaV4uonb0gCA==
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

2026-09-17T10:59:23.582473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050684
observed 769e55d2de0ab52c2e9cf0b0e2278a7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:23.563792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050684/manifest.json
observed 74163e61d5f1ed9faf04cbdd334bb492...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:23.544516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050684/publication.md
observed fef5bf8b5cca49fc191918b024b7bfc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:23.523616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050684/publication.txt
observed 585aad6ad484a38b639a92d9557dcc0f...
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.