OpenTechnical

OT-2026-000090090

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000090090) never changes.

Identity and time

Publication numberOT-2026-000090090 · never reused
Internal UUID01a0ae9c-428e-705f-8fb2-8a0f021183a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090090
StatusPUBLIC

Content hashes

Canonical text090d5e0da3c99d9f2cbb125c3b199ce2fccf7327ab05e1fdcf051a41605d7ede
Markdownbf9a6d1e9fdc4731a38b6d72e2ca531f93d7829f2bf22e347e5303164abc3863
PDF
Publication pagedce32f9b38435212f71ddde1602af513f74c351ad096433c77bcb468c7d77109
Manifestb61f01e064c663153a58f46878c7fd7d89b86d33551f2d91385079a12052ac6b

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
SignaturebGBA/SieXinzNRPsZ4BEE3yQ8cvSYR1qpcXrYmsBDLO0vhL8ZUEpln+ooNAnk67gyfxVgONGEpSWEKeoh5akAg==
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

2026-09-17T09:45:30.682017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090090
observed dce32f9b38435212f71ddde1602af513...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:30.665380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090090/manifest.json
observed b61f01e064c663153a58f46878c7fd7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:30.649210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090090/publication.md
observed bf9a6d1e9fdc4731a38b6d72e2ca531f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:30.631414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090090/publication.txt
observed 090d5e0da3c99d9f2cbb125c3b199ce2...
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.