OpenTechnical

OT-2026-000091116

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000091116) never changes.

Identity and time

Publication numberOT-2026-000091116 · never reused
Internal UUID01a0ae9c-f16b-79b0-9a60-65dbc6da64e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091116
StatusPUBLIC

Content hashes

Canonical textde997d8166c39cccfeb849a97d0c572d1d07940daed20833989a23d919d19f4e
Markdown80ea012e6349aaf844903ee75f0faf5d093a9a163c23617ad8ac162b6f2ae5a0
PDF
Publication page8d06205d83d1aa80880dd331c3fff3315c0bba24d7487636bdc5314b26bbd698
Manifesta2f087176c1e6e03ccccc57db5bd5c1e6a70eeb7f4b47cfecbc3670eae992c5d

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
Signature8iu1DLzlfHu87Yq12Rr+dMzUH+/B0imyiWTIjjGK/4cqwl8Q60h8uUiLWShAAtS5+avSMZnMBrbpLY5z1ZpOBg==
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

2026-09-17T09:43:16.142554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091116
observed 8d06205d83d1aa80880dd331c3fff331...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:16.125483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091116/manifest.json
observed a2f087176c1e6e03ccccc57db5bd5c1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:16.109986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091116/publication.md
observed 80ea012e6349aaf844903ee75f0faf5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:16.093342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091116/publication.txt
observed de997d8166c39cccfeb849a97d0c572d...
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.