OpenTechnical

OT-2026-000042180

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, pulsed 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-2026-000042180) never changes.

Identity and time

Publication numberOT-2026-000042180 · never reused
Internal UUID01a0ae7a-5d72-7e4d-b712-e83ab1cd6766 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042180
StatusPUBLIC

Content hashes

Canonical text5761000d9646019d7b504069eb6e1f86d2fc9c8fcfaaab7bcd8b334b83c94d3d
Markdown66e1a425e55ffc5d7fc9879b5528fd55f42da9da6d001814525fc806356d5b95
PDF
Publication page083b3d36c182fbdbedd1969c9fec2b4e6f3e74127865e0026c8a9eea7d950815
Manifest4a6122656e2e18c059ea905f8f5e4d4f6ac69ca15e60a4233f26a7c6a3239046

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
Signaturef82giAHCIm0zm0w0o3DkgWw3EjMxhi6e4lINlQ4+PZflZjzNrIf8wFo/EBk+lOCWjR3UikDUB6SlCCFmuue6Ag==
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

2026-09-17T11:15:50.307959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042180
observed 083b3d36c182fbdbedd1969c9fec2b4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:50.290029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042180/manifest.json
observed 4a6122656e2e18c059ea905f8f5e4d4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:50.269166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042180/publication.md
observed 66e1a425e55ffc5d7fc9879b5528fd55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:50.248869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042180/publication.txt
observed 5761000d9646019d7b504069eb6e1f86...
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.