OpenTechnical

OT-2026-000085842

Publication integrity record

Four cup vacuum gripper, four zone face, plant vacuum fed, sustained blow-off before 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-2026-000085842) never changes.

Identity and time

Publication numberOT-2026-000085842 · never reused
Internal UUID01a0ae99-e829-7884-97eb-b35ca503a048 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085842
StatusPUBLIC

Content hashes

Canonical text0efe79012f479b70cbe4ef13629ac7a0fcb57f06302a4d56b5ffe30a832478ea
Markdown1e7980bf4bb1e0a9ecbf89be9a9514f6e5b1d7a308cd9b7ea72a96129d343598
PDF
Publication page818705d87e1c7b3452d3e7569ba0aa9cd21ad4e4ba103969fd4b1fad835f9166
Manifest017bd0a62abd0c1562974519ddd0acd63e59f9c85bffd9de167234c354e78408

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
Signature1Xt3r4y8QMFGXc0aigLfsJ3uyXPW6mwtNvAprqbV1qsMnJ//hzsxN7NBhLE2epxIwSdZcf1SKzaeueunDZIVBA==
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

2026-09-17T09:52:46.023512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085842
observed 818705d87e1c7b3452d3e7569ba0aa9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:46.006401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085842/manifest.json
observed 017bd0a62abd0c1562974519ddd0acd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:45.989035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085842/publication.md
observed 1e7980bf4bb1e0a9ecbf89be9a9514f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:45.971343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085842/publication.txt
observed 0efe79012f479b70cbe4ef13629ac7a0...
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.