OpenTechnical

OT-2026-000040233

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000040233) never changes.

Identity and time

Publication numberOT-2026-000040233 · never reused
Internal UUID01a0ae79-26ff-7883-91a9-a226097dc496 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040233
StatusPUBLIC

Content hashes

Canonical text1a71064264a373718da518d14657796e822a25b96c264e00ce142cf3daece8c1
Markdown23e588105730f9dc47e7cb52a0b54a15ea0aea02b0797d11f7ac162b7ea228bc
PDF
Publication pagef91f8fdc41bd56825770ad4b0ba0e354150a7a8c2da698eb93fa089fad9981c5
Manifestba6d910b277b5b34293344d6ab09f278ca4b5083717c92dc1647561c6f21e0c1

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
SignatureLv2QYrHkMUqBTntY7khIAURVq1XSsT9bFU+CZVE9QfBcjADCLzR+X1RtaTDc0ywqYAIa9qnvJz78XBAtXDJeAg==
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

2026-09-17T11:19:07.443567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040233
observed f91f8fdc41bd56825770ad4b0ba0e354...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:07.424861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040233/manifest.json
observed ba6d910b277b5b34293344d6ab09f278...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:07.409536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040233/publication.md
observed 23e588105730f9dc47e7cb52a0b54a15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:07.392121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040233/publication.txt
observed 1a71064264a373718da518d14657796e...
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.