OpenTechnical

OT-2026-000051458

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, vented before set-down, on a tool changer

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-2026-000051458) never changes.

Identity and time

Publication numberOT-2026-000051458 · never reused
Internal UUID01a0ae83-7c80-7f1c-a217-412047a59553 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051458
StatusPUBLIC

Content hashes

Canonical text45c8de02ecf5548b52d58bfaf0ee77f4b174557bdf5fa51b31f89650377f0395
Markdown565a3d89bf20b89e8d1b0754de4158d4b1bdac4e34e2e5abb523b8bc5566514d
PDF
Publication page6435e1f3eadfac8d4290a9ad930a558cbb2148e28bc23b54bb2ab6020a96d9b6
Manifestcfbfe3db5a441318fc7c36f937ffd8dd792bf317feada9de43f7fd1d029ca360

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
SignatureCqEedTX1bYrjxcSBFktXZ12n6B0fdJBcR3OYNkM2jOIjCNYb3jF6iGxmXwlngloJO14Yjwfw8T/Ijmxlej76Dw==
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

2026-09-17T10:58:11.243773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051458
observed 6435e1f3eadfac8d4290a9ad930a558c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:11.224528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051458/manifest.json
observed cfbfe3db5a441318fc7c36f937ffd8dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:11.204541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051458/publication.md
observed 565a3d89bf20b89e8d1b0754de4158d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:11.185841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051458/publication.txt
observed 45c8de02ecf5548b52d58bfaf0ee77f4...
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.