OpenTechnical

OT-2026-000022047

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, single stage ejector, 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-2026-000022047) never changes.

Identity and time

Publication numberOT-2026-000022047 · never reused
Internal UUID01a0ae6f-bb5c-7c49-a029-ed04e36d28f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022047
StatusPUBLIC

Content hashes

Canonical textd6ada94ba97d0c38d16e3222b7da2d978a5c3a5b9143666ea9c72714a847c9d6
Markdown6ad3f5635473b35d535cc2399679a24c9d0165398a1a52e55d9e4815c4c6315f
PDF
Publication page8e960ba6736d6cdc5d043aeca5a124833c888d5c613e83e2e0a35027c119c071
Manifestefdd8e216496f7ea5cae6c33750c3d1c393f679aa5aadbfe83d1f9ee78ec5fc6

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
Signature9T22ZpB+JHAFKq8nv7L/1byaBgWEKqVRXkD1WKaNHTI4mxdc/JhS3B0rNME8X1vo/uvIgHgseMleFTJzoOP5CQ==
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

2026-09-17T11:54:44.325479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022047
observed 8e960ba6736d6cdc5d043aeca5a12483...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:44.306910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022047/manifest.json
observed efdd8e216496f7ea5cae6c33750c3d1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:44.288351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022047/publication.md
observed 6ad3f5635473b35d535cc2399679a24c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:44.268573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022047/publication.txt
observed d6ada94ba97d0c38d16e3222b7da2d97...
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.