OpenTechnical

OT-2026-000020125

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000020125) never changes.

Identity and time

Publication numberOT-2026-000020125 · never reused
Internal UUID01a0ae6f-4378-7edf-b829-aff343bff9e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020125
StatusPUBLIC

Content hashes

Canonical text95749ec65823279e97111f408e4297a7b2ca79ca776b370083d098a21fd48a9e
Markdownf022b28264290464c65369fddff2a660d96f46712c46a7bdd0a4a15efafbbe4f
PDF
Publication page1a6f0ba7527aa32d79cf342a17355e24b33db9f2cc8e1a85657b380be8edae86
Manifest1dbe6544ccd0fd072b4886c0eaa35f9ba07d998ea48917a4d1c1f510c3467c8d

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
Signature7Q0TBUgzXI+PzzqgYb/1FgMaREKcsPSxdN686o0T16xmX8O8o9wt52klF/IkUMdOXIW4mEkyToncjWQFGuaiBQ==
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

2026-09-17T11:56:25.854815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020125
observed 1a6f0ba7527aa32d79cf342a17355e24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:25.835381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020125/manifest.json
observed 1dbe6544ccd0fd072b4886c0eaa35f9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:25.817410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020125/publication.md
observed f022b28264290464c65369fddff2a660...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:25.797204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020125/publication.txt
observed 95749ec65823279e97111f408e4297a7...
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.