OpenTechnical

OT-2026-000064432

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000064432) never changes.

Identity and time

Publication numberOT-2026-000064432 · never reused
Internal UUID01a0ae8d-a461-78e3-abb5-060681fd8272 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064432
StatusPUBLIC

Content hashes

Canonical text15364ef40c09b0bc45545367a28e16f89e7534d1da0d9acb9c7361c308e13afb
Markdownb67cb904d9060939464282e44a29fe42468bac0726a9aeeaef9dc309506f3eb5
PDF
Publication page576d712cc70e761d118a6f8d04083c3da3ed6f7a363c9acd2b97ba95153a91b2
Manifest1adf370e0d59e1c19d78c6b9f6a4c116398d520176c8111824605ac3724e2fcd

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
SignatureMBEM+hBYizx5OJywucxA0WAzJrKtyc/DKywVYdz96d77nupfUyVkONNOiXe3MEJEouQW+CMT8YihGJaTRh2IBg==
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

2026-09-17T10:36:36.965539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064432
observed 576d712cc70e761d118a6f8d04083c3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:36.944853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064432/manifest.json
observed 1adf370e0d59e1c19d78c6b9f6a4c116...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:36.924083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064432/publication.md
observed b67cb904d9060939464282e44a29fe42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:36.902938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064432/publication.txt
observed 15364ef40c09b0bc45545367a28e16f8...
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.