OpenTechnical

OT-2026-000041770

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off after 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-2026-000041770) never changes.

Identity and time

Publication numberOT-2026-000041770 · never reused
Internal UUID01a0ae79-e8a2-7c21-b5ce-431892a8404e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041770
StatusPUBLIC

Content hashes

Canonical text44a11590121bd9d46a14a732066a186f95c35a34a7cbd790d1565d15e2ee43ce
Markdowne4e7742678d9c758494e472605a9ab83a484f00f9859f3392a5d1745a48fcd77
PDF
Publication pagebc7fa5f688b08dbff14eba96aef18800b8e4b00981cdaae1573421338ed56255
Manifest34d00c1d1f8ef6b7b387153a1989927fd02e7dd4875f275b39899e66fbf63c2a

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
SignatureBgP5aezBFLbO2SQMqKKXPASwzHcWERBsf7plvhlXYBfhJOKVNkCGgiG8A/g+/4CV/pK1ygaDeQ4fTQW6x3JpAw==
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

2026-09-17T11:16:37.167951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041770
observed bc7fa5f688b08dbff14eba96aef18800...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:37.150816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041770/manifest.json
observed 34d00c1d1f8ef6b7b387153a1989927f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:37.134157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041770/publication.md
observed e4e7742678d9c758494e472605a9ab83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:37.114835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041770/publication.txt
observed 44a11590121bd9d46a14a732066a186f...
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.