OpenTechnical

OT-2026-000020710

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, pulsed 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-2026-000020710) never changes.

Identity and time

Publication numberOT-2026-000020710 · never reused
Internal UUID01a0ae6f-65e2-7eff-a2f7-3d0a5ac89e78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020710
StatusPUBLIC

Content hashes

Canonical textba0ba2a74c03aba87bd739e237e9e5bb893d20a25a06d05aba35e1719b3b0947
Markdown001c60042167de1644ffe688a99e35e0baff6b4760c7b207583ca409e5824b65
PDF
Publication paged92da0998dc2c91662432c18bc525c14b44f8b845d5b4b340225f5e8529b9eec
Manifest961967c38235bc6a2b3fda528fce29695a688887e61ae2326482d5fb2d9b595d

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
SignatureLnU9/giRKA7gZL3t3oZKyG2AbDYz5sJ3KPUVfW0N3jh+b22D1l9hXR32cIb15snjM7GsFm/Gw2yg9/NdypZbDw==
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

2026-09-17T11:55:45.703953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020710
observed d92da0998dc2c91662432c18bc525c14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:45.686296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020710/manifest.json
observed 961967c38235bc6a2b3fda528fce2969...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:45.669000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020710/publication.md
observed 001c60042167de1644ffe688a99e35e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:45.652561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020710/publication.txt
observed ba0ba2a74c03aba87bd739e237e9e5bb...
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.