OpenTechnical

OT-2026-000020945

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed 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-2026-000020945) never changes.

Identity and time

Publication numberOT-2026-000020945 · never reused
Internal UUID01a0ae6f-65e4-77ba-84b4-9d5b0cfad137 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020945
StatusPUBLIC

Content hashes

Canonical text9c0cdb309cc4a74884307565a8a7f65c09219a3cf3bff2c4a53e433cd8795035
Markdown8842626649d9183a9f455b9e9a7a46840e3e96dc6167b01a21b9a757d79a39dc
PDF
Publication paged5df40047186bfebe7bc7cde1305a15a387fd971c881f98c8672c37844223a3c
Manifeste111ffef8299a45536180b39f4a0e8302976ce20c1ecee7a1c457e985eaf8031

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
SignaturetA6YnTEYDpa5Cm1YSpgcRh82uShZWY8h4SYpZtSn9xDFFxgU1HOIHNVABaRzAPbXF61k7LoM4KI4bregTwb3Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:56:04.964384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020945
observed d5df40047186bfebe7bc7cde1305a15a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:04.942587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020945/manifest.json
observed e111ffef8299a45536180b39f4a0e830...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:04.923811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020945/publication.md
observed 8842626649d9183a9f455b9e9a7a4684...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:04.906964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020945/publication.txt
observed 9c0cdb309cc4a74884307565a8a7f65c...
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.