OpenTechnical

OT-2026-000050434

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained 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-2026-000050434) never changes.

Identity and time

Publication numberOT-2026-000050434 · never reused
Internal UUID01a0ae82-5c48-7edb-9cd7-d3dcf398af4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050434
StatusPUBLIC

Content hashes

Canonical text5e6973c95319777143f93ee2aa7f7371aeab5fd9e5a82bca3eee008a53c83600
Markdownb7874d651933f9d0c5300cd096139d259a405c9e491dfa99221a59a14b85dde5
PDF
Publication page911113fad481a0996d7fad4c501502b81dc4a8e55f05b5203c5bdebf6b891db3
Manifest27bad63ca57463079869beae582faebcab3514e9dfb291e39384e2d223d38356

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
Signature3O8FoIm4jvkob7aPL1xUYzd2dr2YS3zstu7w8QlWC5oHo5ewNGZR5SC8p7Nujistwr8hXzD+I6gYRyvDVZdSAg==
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

2026-09-17T11:01:28.817114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050434
observed 911113fad481a0996d7fad4c501502b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:28.799563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050434/manifest.json
observed 27bad63ca57463079869beae582faebc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:28.781751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050434/publication.md
observed b7874d651933f9d0c5300cd096139d25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:28.764943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050434/publication.txt
observed 5e6973c95319777143f93ee2aa7f7371...
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.