OpenTechnical

OT-2026-000029369

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump 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-2026-000029369) never changes.

Identity and time

Publication numberOT-2026-000029369 · never reused
Internal UUID01a0ae73-5e20-728a-a604-ca4ae67061b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029369
StatusPUBLIC

Content hashes

Canonical text461071dbdeb7d13e9a4d634c3f1b92447055270cb900e763b250a02b164e0e66
Markdowncc6f4a4cc6eadc44eade532ac40bb510731f35cf99b7c4bea5cb94d10fbdb302
PDF
Publication page97cd61c7e0ac84c587e51d379e9a1196431f7299da82df72ec4a0cc9a2466bf4
Manifestf7aaab84dfa258278d159b9edf67a3a5fa75f1d818d5add3065e1018f431ec7a

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
SignatureiZJ63Srii7A+kUxL2MvSA05uwkVkXLra8ekr5m91v8/givPo2xMnkSt2xaNZRAvzcqq+TOriEwyR3tM5biRBCA==
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

2026-09-17T11:38:55.749372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029369
observed 97cd61c7e0ac84c587e51d379e9a1196...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:55.729100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029369/manifest.json
observed f7aaab84dfa258278d159b9edf67a3a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:55.708688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029369/publication.md
observed cc6f4a4cc6eadc44eade532ac40bb510...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:55.690921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029369/publication.txt
observed 461071dbdeb7d13e9a4d634c3f1b9244...
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.