OpenTechnical

OT-2026-000018159

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, pulsed 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-2026-000018159) never changes.

Identity and time

Publication numberOT-2026-000018159 · never reused
Internal UUID01a0ae6e-b488-78db-a7fe-11b029821b9e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018159
StatusPUBLIC

Content hashes

Canonical text7b31cd14a6cfb7ea6f3bfc12795c17319f068b421de864838d81ede353d3ebac
Markdown50a29e29cd096fa520ab0a5211675810b9373e57282ebb7c6640c3f5a39106a3
PDF
Publication pagea7e4dd4717776600bcb2be1b3756774f2e0dbbbaaafcb989e6d929b85c3f5baf
Manifestaa83381e57c44da4fa33f2f5a91e742e1affd22e5b9b42930394c95d57d193ba

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
SignaturecOrV7wZjIzR7Aq+txAzKZt/2wwKm0Y9WKI5uKOo8mV5Re+4adiM7bOX7i8GVMjppvsQIw7qNd2MzKN11tKzhDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:59:54.650871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018159
observed a7e4dd4717776600bcb2be1b3756774f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:54.632561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018159/manifest.json
observed aa83381e57c44da4fa33f2f5a91e742e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:54.614569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018159/publication.md
observed 50a29e29cd096fa520ab0a5211675810...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:54.589309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018159/publication.txt
observed 7b31cd14a6cfb7ea6f3bfc12795c1731...
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.