OpenTechnical

OT-2026-000038696

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000038696) never changes.

Identity and time

Publication numberOT-2026-000038696 · never reused
Internal UUID01a0ae78-769e-7be4-a1f5-95f2df555672 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038696
StatusPUBLIC

Content hashes

Canonical text431c0676f32289041f5af3a27e666f08bb02947d74d5ab04fba6326a5962f6b1
Markdown3735fce2402a4b8cc01e919a153274ad8487b098c10342d777a6332896dea39c
PDF
Publication page1a74f8d6ee4c19e725d44f7a282d863d23c00f6a71faf0dd886b8a5ac969f342
Manifest3fa87eed9be246f81978e56d3380cd467006949996b42d33db4055e93fd48dba

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
SignatureAJGIjigUwj3vQx2FXqzgl1FfFrau+kysZfdNg4HZZAlabPQ9pU46fMusuk5rL2kEpULfVHZ8ln8fNxz4HVdUAQ==
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

2026-09-17T11:21:12.961995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038696
observed 1a74f8d6ee4c19e725d44f7a282d863d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:12.943759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038696/manifest.json
observed 3fa87eed9be246f81978e56d3380cd46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:12.925672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038696/publication.md
observed 3735fce2402a4b8cc01e919a153274ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:12.906539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038696/publication.txt
observed 431c0676f32289041f5af3a27e666f08...
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.