OpenTechnical

OT-2026-000030702

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000030702) never changes.

Identity and time

Publication numberOT-2026-000030702 · never reused
Internal UUID01a0ae74-3fb3-7b93-813e-799dd23119f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030702
StatusPUBLIC

Content hashes

Canonical text5e8dff952fd5aac79e5a52b38dbee34368fd4a1f7dbc89710d3770a2d051ca29
Markdown7f1eb4bddd9b21931ecdbfe961213a9543db4fa145c38683d915c05ec0837db1
PDF
Publication page9fb14fd94d0b46e475dc764cc88fd13f895b506c30f9b0716cda399825b43be2
Manifestb6cdea0a1b18737a75b7f8e88cd44957f432ca582bc7d9f2d7f18922e3b22ce0

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
SignaturedjLf1H3ZnMRcWblx/LhFwqpBVXht221jXFdpLVtt/n6vusdTNi7GHkzv1tNePThnjK6KmgYRfEYTnrvb4mSkBA==
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

2026-09-17T11:36:35.027918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030702
observed 9fb14fd94d0b46e475dc764cc88fd13f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:35.011151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030702/manifest.json
observed b6cdea0a1b18737a75b7f8e88cd44957...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:34.995169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030702/publication.md
observed 7f1eb4bddd9b21931ecdbfe961213a95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:34.977531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030702/publication.txt
observed 5e8dff952fd5aac79e5a52b38dbee343...
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.