OpenTechnical

OT-2026-000032351

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, 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-2026-000032351) never changes.

Identity and time

Publication numberOT-2026-000032351 · never reused
Internal UUID01a0ae75-106e-7c44-845c-1d89c2e98335 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032351
StatusPUBLIC

Content hashes

Canonical textb2e14f005b285d8ed735f663c61ff66e70f985bad727dfba956891e36c6ea9bb
Markdownccfbb769e86bbb2671d5bff0524742f04e24eb264baee9148cce9b90a3e544af
PDF
Publication pagef6e5f980f789f8b0cb29f60ad667f6a1ff230acb7adb72cc29a6269fadfd7cd9
Manifest348003391c25c98a4390560504b0148f2f7a09966e9e120e951ea73b29217da1

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
Signaturez19/U1rF22u7ndN1ZTHVgbAQWlMtDkWHnQjqaT0XUoSIhDy2DhK+v/fUABAa/oJWgNHjGTVPE8gMVfafq83TAA==
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

2026-09-17T11:33:43.504418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032351
observed f6e5f980f789f8b0cb29f60ad667f6a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:43.476722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032351/manifest.json
observed 348003391c25c98a4390560504b0148f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:43.458079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032351/publication.md
observed ccfbb769e86bbb2671d5bff0524742f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:43.440153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032351/publication.txt
observed b2e14f005b285d8ed735f663c61ff66e...
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.