OpenTechnical

OT-2026-000090408

Publication integrity record

Foam pad vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000090408) never changes.

Identity and time

Publication numberOT-2026-000090408 · never reused
Internal UUID01a0ae9c-7f2d-71a2-93b8-dd641f91b50a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090408
StatusPUBLIC

Content hashes

Canonical text637f288cd88ddb3d4c8ef76b025e68d9721ece32484464067eaede84fc08e89f
Markdowna187a499b8ca82e9e957eaca1464ce1681a6a9b7f8b777d6f153eac78ba6a2d8
PDF
Publication page99bd45f8a33cbe2f5d77be20e21b58feb1a7ed215e29dd643a6dab9f7f910832
Manifesta01e9787cc93e38ee888892069ea7b44a2575ff702cd7ab1666c0fe1ae887869

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
SignatureG36GmHI8mVhRXsNPw2dWxkEj98AXxT/T8voVB5thkbsbE6uQeOCbYpt/acaCmEw2Iu0p0yz3npgxv+EglaOYDQ==
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

2026-09-17T09:44:31.311567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090408
observed 99bd45f8a33cbe2f5d77be20e21b58fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:31.295495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090408/manifest.json
observed a01e9787cc93e38ee888892069ea7b44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:31.278686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090408/publication.md
observed a187a499b8ca82e9e957eaca1464ce16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:31.260702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090408/publication.txt
observed 637f288cd88ddb3d4c8ef76b025e68d9...
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.