OpenTechnical

OT-2026-000069955

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two 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-2026-000069955) never changes.

Identity and time

Publication numberOT-2026-000069955 · never reused
Internal UUID01a0ae91-1860-772b-bcde-2f04a31e24ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069955
StatusPUBLIC

Content hashes

Canonical text23fe9e5f8997bfc4896e19bf5e69747b1a30e8a4e591f59498dbf9b6be1751f6
Markdown60d9cfa86adb29c002b89bd45fc8debf37c663496e099b6fcef160b020dc1176
PDF
Publication page91cf8350363330ef822b10d3b8b9c41845fd31a917963b811d04942a41ab9c6d
Manifest48b47737f57b21ec0bbb8738699b952683d9ebc9b62e904328e4ac72b57008c6

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
SignaturebBtM2WeHUlPyD4o+dSWm0WxRUXM9o7a3rDgR9T054oj5qqjmUrZbBnZbRs5cAA0iZCPte0s/jpJ65gPn6q4iCw==
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

2026-09-17T10:26:53.702820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069955
observed 91cf8350363330ef822b10d3b8b9c418...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:53.685654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069955/manifest.json
observed 48b47737f57b21ec0bbb8738699b9526...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:53.667872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069955/publication.md
observed 60d9cfa86adb29c002b89bd45fc8debf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:53.649337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069955/publication.txt
observed 23fe9e5f8997bfc4896e19bf5e69747b...
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.