OpenTechnical

OT-2026-000068640

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000068640) never changes.

Identity and time

Publication numberOT-2026-000068640 · never reused
Internal UUID01a0ae90-2483-75b6-a2d3-6f851d1e5013 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068640
StatusPUBLIC

Content hashes

Canonical text4c7497ae495f28d7a25677bdcab032ef5b6c92b292333a5536cce23da5b7689e
Markdownbcc456902b98afbd1995946c52af2ee365a0f1a83996c127e5e0676b4ae9957a
PDF
Publication pagec770ccfe3933b9827d298ba8bb64e92c673afb6aed166df619d19e11e8c7efe2
Manifest68ddd686e47364a5385a5d16bcca3ff73eab84d31e187a216c7a86fae1fa630c

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
SignatureCPXsQnJ8PAnxkgaYrvZIlxSzkbVwIHMXfZKThOTw7cYw1IAGFAytLIKqgeyvb7nT7S7BrVbK2uJa2AxoyMa6DA==
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

2026-09-17T10:29:49.898378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068640
observed c770ccfe3933b9827d298ba8bb64e92c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:49.877209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068640/manifest.json
observed 68ddd686e47364a5385a5d16bcca3ff7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:49.858948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068640/publication.md
observed bcc456902b98afbd1995946c52af2ee3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:49.840281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068640/publication.txt
observed 4c7497ae495f28d7a25677bdcab032ef...
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.