OpenTechnical

OT-2026-000064167

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, pressure sensor per zone, 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-2026-000064167) never changes.

Identity and time

Publication numberOT-2026-000064167 · never reused
Internal UUID01a0ae8d-a45f-7a84-8d31-f362cdf66a84 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064167
StatusPUBLIC

Content hashes

Canonical text58780e4488a1517e7a83835246760fa9768955d199e44eeeeef20858b375e1e7
Markdown81ce39962afec657560b5a5411a1acb3cf7525fa551f312bed483eb028f96b28
PDF
Publication page0e957ae1d2dc9496d89410ef891d8cf2f2cfcf0e321661c13a41c8ad4f8e15e4
Manifest7ffc48d232f53e14e83a7af793ab47d6387f5af16412b76493329bdae7e05da9

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
SignatureBRTKQT+hHZzmBwhkq88RTEahBAyPILEVDmzRYmwsYCumxbm5zWQYUhxFxkNb/C4mnVhDo60buwxAYZGryAAwAA==
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

2026-09-17T10:36:10.733994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064167
observed 0e957ae1d2dc9496d89410ef891d8cf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:10.715702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064167/manifest.json
observed 7ffc48d232f53e14e83a7af793ab47d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:10.697579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064167/publication.md
observed 81ce39962afec657560b5a5411a1acb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:10.678609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064167/publication.txt
observed 58780e4488a1517e7a83835246760fa9...
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.