OpenTechnical

OT-2026-000090167

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, 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-2026-000090167) never changes.

Identity and time

Publication numberOT-2026-000090167 · never reused
Internal UUID01a0ae9c-428f-746a-b471-1fdf6a53888d · 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-2026-000090167
StatusPUBLIC

Content hashes

Canonical text0f504be5f91a0e7fbb6b0948c9da9625f2d7ad2bd7a7978707a495671a91ba81
Markdownef332eef17d903617a3d63a6e52898710ae7284a49d2a6a1306f5dd592f19edf
PDF
Publication pagecef6623d11e9b91bcfe52c51d320c70912500177b74f00141a7a1b70dcd8047a
Manifest91b359d629ff6fe9013ac8b1622d6e156c337599a8754393159d95628aee9e57

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
SignatureuUwadyhEWyNUzu5lg9pIwi0MqOQw7y0ZXhrlUvXXz9k+OwaQi396nvfrhQ1vzY69BTjd0mqox1sz+UzRmusNCQ==
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

2026-09-17T09:45:41.262692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090167
observed cef6623d11e9b91bcfe52c51d320c709...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:41.245372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090167/manifest.json
observed 91b359d629ff6fe9013ac8b1622d6e15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:41.227871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090167/publication.md
observed ef332eef17d903617a3d63a6e5289871...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:41.209312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090167/publication.txt
observed 0f504be5f91a0e7fbb6b0948c9da9625...
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.