OpenTechnical

OT-2026-000034330

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000034330) never changes.

Identity and time

Publication numberOT-2026-000034330 · never reused
Internal UUID01a0ae75-df0e-79d8-a0b1-bd0ad02513d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034330
StatusPUBLIC

Content hashes

Canonical text43110b3d2928977155323de1e4bdf760c72629ffb93beb4b6c2219d38804b0e3
Markdowne3e7a0e210d7999397a8c3432136f8cff5c0067b97158e139fc089f50fecd121
PDF
Publication page4d65a20fd96fc723399d7bd605eb02d980d02ebc98f38f29347cd5eddd97462a
Manifest14f3768da6ec00f7ddc09b2cd9b51d0fd49c34666a3ea19064cb17d02bcb0a26

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
SignatureNsrUQoAVlhn8DD0Z7RlMaQpXJnVZd0HfwTY9ZxWkJb/sShP7QS3V+wafHRyoOaFAF1Hoe0FAx2GNqBLN+FncDw==
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

2026-09-17T11:31:01.563429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034330
observed 4d65a20fd96fc723399d7bd605eb02d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:01.546503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034330/manifest.json
observed 14f3768da6ec00f7ddc09b2cd9b51d0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:01.524700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034330/publication.md
observed e3e7a0e210d7999397a8c3432136f8cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:01.508551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034330/publication.txt
observed 43110b3d2928977155323de1e4bdf760...
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.