OpenTechnical

OT-2026-000084391

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000084391) never changes.

Identity and time

Publication numberOT-2026-000084391 · never reused
Internal UUID01a0ae98-5b62-79e8-9e94-a186f0c0c392 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084391
StatusPUBLIC

Content hashes

Canonical text7d37e71b7237f54c14388121f008cfd40055d8218fb618448fba26db7e808329
Markdowncc41df03949242de604f4b28331ea6e69c926087768ff4bba4537e22b03c41ab
PDF
Publication page118bf6d18c02d05e2dc1c992010fd7afe70fc22e53a98b834723c0a7e234f27c
Manifest5fbed6df42383831e12279d016ece6c1642c5565e9a24dc1850cb0c561ff0568

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
SignatureR6ix/XDI8C+KUOLEWh3Z0nOjsu+SOdgyCJvPTcHY+NZKU8spHlU73ZnjaVqlGzZdX/WnayeGGCJCPBYGrpXnBg==
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

2026-09-17T09:56:20.020559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084391
observed 118bf6d18c02d05e2dc1c992010fd7af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:20.001906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084391/manifest.json
observed 5fbed6df42383831e12279d016ece6c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:19.985697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084391/publication.md
observed cc41df03949242de604f4b28331ea6e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:19.968742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084391/publication.txt
observed 7d37e71b7237f54c14388121f008cfd4...
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.