OpenTechnical

OT-2026-000029523

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, pulsed blow-off before set-down

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-2026-000029523) never changes.

Identity and time

Publication numberOT-2026-000029523 · never reused
Internal UUID01a0ae73-5e21-7f80-9d8d-a80c44a13899 · 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-2026-000029523
StatusPUBLIC

Content hashes

Canonical text767971bc4130cb06f0b5707d38e846771f7a0df429dade86f287283bf033bcdc
Markdown6142db6d46198baeb5bb3e26ac345b034094cb0a760786f20666fd9f77ef5ae7
PDF
Publication page0c643b66a1833354a27ffddd54f54ab7e1df3223df0e708529414ac2fb56ac79
Manifest36e3308f2f99d1aa418599d12d0f0ba976ff6d7c73c641b19458f8658eafe091

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
SignatureZ4mdkFXQHnCbJMzYXEeRxmroiJqGNbYneoGie97gKYnHpM3kah3E/ZZ7r+qcgKIm/EV3os60gxm3ycQPWwATDA==
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

2026-09-17T11:39:10.216525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029523
observed 0c643b66a1833354a27ffddd54f54ab7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:10.199638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029523/manifest.json
observed 36e3308f2f99d1aa418599d12d0f0ba9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:10.182548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029523/publication.md
observed 6142db6d46198baeb5bb3e26ac345b03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:10.166708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029523/publication.txt
observed 767971bc4130cb06f0b5707d38e84677...
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.