OpenTechnical

OT-2026-000090110

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000090110) never changes.

Identity and time

Publication numberOT-2026-000090110 · never reused
Internal UUID01a0ae9c-428f-7363-afe7-12aaea597251 · 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-2026-000090110
StatusPUBLIC

Content hashes

Canonical text97163c2aeaa7249b1bb8500d28aa574c22b1defcd5ee875d016bdbb2a578705b
Markdownfbea17de30a23f7edf4eed28a76f9b0db1dba8c263676365bb88530a061c3cd2
PDF
Publication page27e0080f71cec981d0bc8c3481f8b018f6038318003fc0064f8357577acfb3f7
Manifest5e0d9f0b94614c3a4bb6ac316daa151b3b438c71ed947fbec04434ca280ec0a3

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
SignatureqJ9OqM2iY7fXyCzK7Rym9xOa5ykYC2Gh70kAYCsra53yxbL2FNdEw5o/yXvIErvoH1e7eOy0PotFxj1dEJr4Cw==
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

2026-09-17T09:45:32.084220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090110
observed 27e0080f71cec981d0bc8c3481f8b018...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:32.065038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090110/manifest.json
observed 5e0d9f0b94614c3a4bb6ac316daa151b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:32.046794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090110/publication.md
observed fbea17de30a23f7edf4eed28a76f9b0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:32.012573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090110/publication.txt
observed 97163c2aeaa7249b1bb8500d28aa574c...
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.