OpenTechnical

OT-2026-000008430

Publication integrity record

Two cup vacuum gripper, two zone face, three stage ejector, pulsed blow-off before 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-2026-000008430) never changes.

Identity and time

Publication numberOT-2026-000008430 · never reused
Internal UUID01a0ae6a-e46a-75af-8be6-af69653727f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008430
StatusPUBLIC

Content hashes

Canonical text355bb464d0e66e3787aaa6442121c5e0ffd8792be988a21ea35dd93357701043
Markdowncf208945b731f1e63ca7d7733534e99323d4da295557dac82faceea8ca6f5eda
PDF
Publication page18fb904b3eb1fcca27212609d7929999af27466fd33482ad0d15b78090d5feb3
Manifest4945c4a0da073e568d2f114932fe895e3f3cbf5414610982f60826fc418e63cd

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
SignatureUsLxug3WBUexAomg7WVocswIg5t7fpSoRPux7cHA5743zpI9fTig5+b/GBksa7JJT1MAJnc3Eb39Hr9o8tJpBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:17.271989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008430
observed 18fb904b3eb1fcca27212609d7929999...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:17.247008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008430/manifest.json
observed 4945c4a0da073e568d2f114932fe895e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:17.224959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008430/publication.md
observed cf208945b731f1e63ca7d7733534e993...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:17.204173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008430/publication.txt
observed 355bb464d0e66e3787aaa6442121c5e0...
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.