OpenTechnical

OT-2026-000093871

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000093871) never changes.

Identity and time

Publication numberOT-2026-000093871 · never reused
Internal UUID01a0ae9e-92c7-7377-88eb-ac9cdc92ec63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:03.009208Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093871
StatusPUBLIC

Content hashes

Canonical text6018bbe7305df0bb3faa0ea0644811499d3e707241f2a209214e5c666f609e14
Markdown6cb4e03469cb0cc5533fdad7f6763b579e342f260ab41f3312c15db10085eee9
PDF
Publication page7955f03ada016830014f526be9d6bbc23d8c7fb13b988e74ac38139c4fa18bb2
Manifesta89f393178bbe725759d6641fb2709864a6d7aad91ac466028ffb3f3fb68d4a0

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
SignaturebvrBhIv+JpUFWkAhdAvwdZwLEomLwKmtiUvsAEv6xRzoM+pE9UgGZ21s47xusXQHxzn0X19F/zm8GSNJiYLqDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:38:06.340062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093871
observed 7955f03ada016830014f526be9d6bbc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:06.322125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093871/manifest.json
observed a89f393178bbe725759d6641fb270986...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:06.303243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093871/publication.md
observed 6cb4e03469cb0cc5533fdad7f6763b57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:06.284370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093871/publication.txt
observed 6018bbe7305df0bb3faa0ea064481149...
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.