OpenTechnical

OT-2026-000075446

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented 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-2026-000075446) never changes.

Identity and time

Publication numberOT-2026-000075446 · never reused
Internal UUID01a0ae93-f201-7a25-88ca-f618296626ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075446
StatusPUBLIC

Content hashes

Canonical textd194a891535bfe0553635bd9d875ed92eba9e4cbec2ebdf83fdc5455da8b1aaa
Markdown552f11f44a809a2599faf5f9ed7881ed8476fe0f47a616455387da64a7ac37b2
PDF
Publication paged918f80efad47422e40e462f22c4ba6ff6eacd319f4327860835d7b462de03fc
Manifest28415908f925f25d55fed3121145138144c389af938f9476a3a564f3426ec8cd

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
SignaturexYx4t0R7J3fKtw9Ko4k76dOKdclpkNpeZiUHrRiBpq9/y9mHFxsbj9e0aX22yscSQ6cwCpCBYIeZvGuS5souDA==
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

2026-09-17T10:17:40.803846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075446
observed d918f80efad47422e40e462f22c4ba6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:40.784261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075446/manifest.json
observed 28415908f925f25d55fed31211451381...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:40.766569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075446/publication.md
observed 552f11f44a809a2599faf5f9ed7881ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:40.749522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075446/publication.txt
observed d194a891535bfe0553635bd9d875ed92...
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.