OpenTechnical

OT-2026-000089078

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, pump fed, supply line 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-2026-000089078) never changes.

Identity and time

Publication numberOT-2026-000089078 · never reused
Internal UUID01a0ae9b-daff-78c9-b822-cd206224d7b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089078
StatusPUBLIC

Content hashes

Canonical text38de06c6b79564d43dc735ec4a08440ea02a235be66f788f13cc75dccd6b1010
Markdowndfc439cbae970282989f6f9775e4e93a1093dfc12216f815f2d69cec49a4ef91
PDF
Publication pageffc43b1ad07980fc3ebc19a8d6f8d02acda8bc11e08b94d8b4f3e5fe7a3c8065
Manifeste20c3bf7f4148e65879a08b298a8cdb87ce9e027eabf99ed969e91b6985842f8

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
SignatureC6OZXqVRSIbRdubE9T5jesUsqTH+RlH/KLXH9JC1lhS1TWJkZ3Qk8jIhdDHwaN6elJjVflYBzD+co++RvaiBAA==
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

2026-09-17T09:46:58.867810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089078
observed ffc43b1ad07980fc3ebc19a8d6f8d02a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:58.850024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089078/manifest.json
observed e20c3bf7f4148e65879a08b298a8cdb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:58.832768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089078/publication.md
observed dfc439cbae970282989f6f9775e4e93a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:58.815303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089078/publication.txt
observed 38de06c6b79564d43dc735ec4a08440e...
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.