OpenTechnical

OT-2026-000090045

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, 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-2026-000090045) never changes.

Identity and time

Publication numberOT-2026-000090045 · never reused
Internal UUID01a0ae9c-428e-7106-bd07-73a66a74f2ca · 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-2026-000090045
StatusPUBLIC

Content hashes

Canonical text8e7ac001eff2ff532ea13fbe1e1d6888e826daa545bf94a25c75e56fd244a3f2
Markdownb1524ec3035713e240ef9511473af514595f4178cfc73c5a170055b497cabbc6
PDF
Publication pagef387122a7f5a99024353362df147fd21fad7f8f8edea0149cab1d308c615adf4
Manifest1659bb6eaf26f92b0d6988a9ff6e0669cd68813febafe61f661536b2a6a2036f

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
SignatureiP1YqHVikqpmo5Zp0lxTtN9X/Fm6vWNYKwg8Z2P1HviTSDiupn0v6494OGSTTgpGSOjY2KWF5PVnPT/7On0uDg==
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

2026-09-17T09:45:26.993934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090045
observed f387122a7f5a99024353362df147fd21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:26.975455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090045/manifest.json
observed 1659bb6eaf26f92b0d6988a9ff6e0669...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:26.957401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090045/publication.md
observed b1524ec3035713e240ef9511473af514...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:26.939489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090045/publication.txt
observed 8e7ac001eff2ff532ea13fbe1e1d6888...
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.