OpenTechnical

OT-2026-000079663

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, 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-2026-000079663) never changes.

Identity and time

Publication numberOT-2026-000079663 · never reused
Internal UUID01a0ae96-0b93-7e4a-ba9a-f07d20e8870c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079663
StatusPUBLIC

Content hashes

Canonical textff26d14c80427d6749d47e75914af5ee942ae3ab7da8fd08fecfc9b5318940b9
Markdowna9774497b51155f48ef3b7168a5c882aa8a016e921b601e8af8f784892f3c0f1
PDF
Publication page9b33f9a34a53256c909d76fdadfe13298369bff5242e4d5fe290c3d377f80846
Manifest5a1d29a17c841de31c4125483738a20e33332cde6f3c8d0e41cc8cc3742830cd

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
SignatureYQt2XL4W9UUDRwIWzutERIM2rT2WIjQconktYtR4aqdcK3mb4RghliwM0uSIYDuWY8Q9X02gjpQkzqRVsCD5Cw==
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

2026-09-17T10:05:19.768695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079663
observed 9b33f9a34a53256c909d76fdadfe1329...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:19.750702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079663/manifest.json
observed 5a1d29a17c841de31c4125483738a20e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:19.732503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079663/publication.md
observed a9774497b51155f48ef3b7168a5c882a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:19.714682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079663/publication.txt
observed ff26d14c80427d6749d47e75914af5ee...
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.