OpenTechnical

OT-2026-000060890

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, vented 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-2026-000060890) never changes.

Identity and time

Publication numberOT-2026-000060890 · never reused
Internal UUID01a0ae8b-12f1-726a-aef8-1e63397914d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060890
StatusPUBLIC

Content hashes

Canonical text0f9af0e19d44b0639899a53f57add9e806eca0fc7be4b623d4f795e7bb67ff51
Markdownf240f92847a00e6b630794a9429666b7391b6f4759fca07492ccf8d2de5964c7
PDF
Publication pageef12eb188504e30314007a0c351a0136943629effe2cb8edbd8f2ffe260e2089
Manifest3f07603bb03d8aeb90455f87a94c395c7685bfd0700a9b9a083e355f57c35529

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
Signature57d7kz5QkLqCCVfJy43n9SyHvag3onsjMy/YyzPS/ixNWlGLhP0a0j2DZlFOZ+RC73Pk+mHSmWskVHTQHuuXBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:37.563690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060890
observed ef12eb188504e30314007a0c351a0136...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:37.545081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060890/manifest.json
observed 3f07603bb03d8aeb90455f87a94c395c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:37.526257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060890/publication.md
observed f240f92847a00e6b630794a9429666b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:37.507544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060890/publication.txt
observed 0f9af0e19d44b0639899a53f57add9e8...
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.