OpenTechnical

OT-2026-000090069

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000090069) never changes.

Identity and time

Publication numberOT-2026-000090069 · never reused
Internal UUID01a0ae9c-428e-75b2-a36e-1d72ccad5f9b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090069
StatusPUBLIC

Content hashes

Canonical text43444c42d37feaf1690ddc4578007024a5aaa630d43e97d3c847638b3eee5cea
Markdown3b020dc1a47a5cefffc7c682404d68bd828a7eb782ebb1017b65a97ddac95f26
PDF
Publication page323ce69e84e66f0128ec545bd36685eac0b3d931a8e5a79f2ef09e6e14a0ed6d
Manifest1959ea7b9b0478cd33f1fcd24dc2d2a63e103f5fac67d9c16ce82f4d16f08daa

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
SignatureobRGP5cxx0k5MlAvCcE3P54manjYaEycfOTEShIKQZrR9RJBryXV8FOUagh9av5ipd0FTHrSPcKTinWWAW0WBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:45:28.989906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090069
observed 323ce69e84e66f0128ec545bd36685ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:28.971188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090069/manifest.json
observed 1959ea7b9b0478cd33f1fcd24dc2d2a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:28.952094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090069/publication.md
observed 3b020dc1a47a5cefffc7c682404d68bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:28.932926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090069/publication.txt
observed 43444c42d37feaf1690ddc4578007024...
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.