OpenTechnical

OT-2026-000063069

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000063069) never changes.

Identity and time

Publication numberOT-2026-000063069 · never reused
Internal UUID01a0ae8c-94a9-76b3-9099-a31047c983ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063069
StatusPUBLIC

Content hashes

Canonical text2fef0f3087ff4faa81aedf5d68ba0b441eb3aa8e34d4a75aca094b48919995fc
Markdown012a837ea0d4e454b558a4584d7ac4895087f319883ee71209c3db2dce7dda14
PDF
Publication page0833a4bf682e68423cad19b7fc4440d2a7de5e81fdd4f704d3de9922394d703e
Manifestdf244ee3537ceb201e11b8d72135c8982174dd1659abff819b0b158415d56312

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
Signatureh4+eqMwjN3mzQ+aU6DcWcq2YLWAODZce9LLE7bgmKJUgVTb1ay0ycUJU9s0xUNzMi0TfJZDFqckeI+no/brDAw==
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

2026-09-17T10:38:50.164219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063069
observed 0833a4bf682e68423cad19b7fc4440d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:50.149137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063069/manifest.json
observed df244ee3537ceb201e11b8d72135c898...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:50.133715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063069/publication.md
observed 012a837ea0d4e454b558a4584d7ac489...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:50.117928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063069/publication.txt
observed 2fef0f3087ff4faa81aedf5d68ba0b44...
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.