OpenTechnical

OT-2026-000023710

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump 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-2026-000023710) never changes.

Identity and time

Publication numberOT-2026-000023710 · never reused
Internal UUID01a0ae70-aed4-722d-8f02-68c5f0ee4f79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023710
StatusPUBLIC

Content hashes

Canonical text2a1ebcd95083e30afe9f4d5db475616a6707c226d5307d78ce01f6ab549ebfb9
Markdown9aa314de027715f017bdb6ebdf6068dc0ca8da6f9c0f47816063e5c869d7964d
PDF
Publication pageeb2e9d8f345adbf89f60e165a9244c7481da70c61d671ce79c04679186652de7
Manifest3b44bf2c18f5e87802794e0028336e92d2b5fcbf4c936a3ee3ad0dc0992d3654

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
Signature8ZrIx7T1e4ySol9XiyuxfiqAeOfh0kHuh9ao2Qv0DJoWFwpXOCZDQOGWaU47PK2Y4HrEBENu/MAPDSYsRC54CQ==
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

2026-09-17T11:50:02.806302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023710
observed eb2e9d8f345adbf89f60e165a9244c74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:02.782964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023710/manifest.json
observed 3b44bf2c18f5e87802794e0028336e92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:02.765224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023710/publication.md
observed 9aa314de027715f017bdb6ebdf6068dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:02.746611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023710/publication.txt
observed 2a1ebcd95083e30afe9f4d5db475616a...
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.