OpenTechnical

OT-2026-000066542

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, manifold 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-2026-000066542) never changes.

Identity and time

Publication numberOT-2026-000066542 · never reused
Internal UUID01a0ae8e-ce41-7ae7-977b-d51d9f11ea94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066542
StatusPUBLIC

Content hashes

Canonical text81c6fda3a3c852b47f45a483aca79e7faa68f00c2a883e7eccd930e26a1eb36b
Markdown6abc3c99814789dd3a4df6422053129f242adc977eee7b7905f5ec499d52d2c8
PDF
Publication pageb7c50a0b87f7d0c889255751ddb0c02c30892294fcdcea9a208e0bcaef4323d5
Manifest6569f5071f650624610901ac7dff507d69a9d7245e628dc81c6d476480a3e8c5

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
Signature/9zvBSU58HnYs3Mdi/YvdOIYNM8NrW7KJOJRUx8STJJhRqUYwPB1G4txWwlTka6rnY21TExOCjz9IbwTToocAw==
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

2026-09-17T10:32:48.543649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066542
observed b7c50a0b87f7d0c889255751ddb0c02c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:48.524281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066542/manifest.json
observed 6569f5071f650624610901ac7dff507d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:48.506429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066542/publication.md
observed 6abc3c99814789dd3a4df6422053129f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:48.489821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066542/publication.txt
observed 81c6fda3a3c852b47f45a483aca79e7f...
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.