OpenTechnical

OT-2026-000075066

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000075066) never changes.

Identity and time

Publication numberOT-2026-000075066 · never reused
Internal UUID01a0ae93-ac2e-762a-bdf2-adb21071600f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075066
StatusPUBLIC

Content hashes

Canonical text93f743db64b1b89891571630857c499d5ae30a7e75e7f28c80adb46f9f959585
Markdownca2d8cf9f24142d0f51c02f4c9a64dfe26fac4896b0b05ddf442c993a3fad6c3
PDF
Publication page589eac285461ffb85c535074f4a243dc605521615b4bf13e392989b46b76a76c
Manifestdc501210526cc6eefd575e4f44d4563bd39e0edec08a339f2c5fb7027ace9b1a

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
Signaturecp+ztSgjXkAS8GsFfqCZStvaC+XA7fz5cOX5GiOAw6r5pyhE3dxlFApprjgrTRKu5R1FT//zjuPApObqr602Cw==
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

2026-09-17T10:18:53.111187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075066
observed 589eac285461ffb85c535074f4a243dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:53.094576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075066/manifest.json
observed dc501210526cc6eefd575e4f44d4563b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:53.077682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075066/publication.md
observed ca2d8cf9f24142d0f51c02f4c9a64dfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:53.060703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075066/publication.txt
observed 93f743db64b1b89891571630857c499d...
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.