OpenTechnical

OT-2026-000082079

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, 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-2026-000082079) never changes.

Identity and time

Publication numberOT-2026-000082079 · never reused
Internal UUID01a0ae97-4d93-7031-bb06-92330fa85814 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082079
StatusPUBLIC

Content hashes

Canonical texta1fdfa34a0004978ed89e7dad0334f8f320b280ff1ebfc02defe154c3591654e
Markdownf2ccdc7b1c6fb095976c341a29c66a3168aa9abb6dea3e28b2bc054a2d17c56e
PDF
Publication page8a88e3b46fdff2310a286aa856f2b219abd5b9f32b45632e01b54d0ddbb211db
Manifestc7666a6b56d11b8e02dccfff7af2204467b64c94eae725bc128d76a1fb82eb65

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
SignatureGvUqpjG1NuR4uul1Yaoteyo1tszm/LlRLVtuPNIBKr79X1sE2dJV2Rc14gAMvWC3ecSR4Fbepe1p9dvamWE5Dg==
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

2026-09-17T09:58:52.955206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082079
observed 8a88e3b46fdff2310a286aa856f2b219...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:52.936858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082079/manifest.json
observed c7666a6b56d11b8e02dccfff7af22044...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:52.918676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082079/publication.md
observed f2ccdc7b1c6fb095976c341a29c66a31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:52.898861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082079/publication.txt
observed a1fdfa34a0004978ed89e7dad0334f8f...
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.