OpenTechnical

OT-2026-000017728

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000017728) never changes.

Identity and time

Publication numberOT-2026-000017728 · never reused
Internal UUID01a0ae6e-96fa-760a-ad83-0da622861c2e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017728
StatusPUBLIC

Content hashes

Canonical textb93d2f629156bbd69e853df00cbdb92e20df307a17faa49e54829bdae939cf29
Markdowndd506f94192d7ad7628c3ef85fdf337a655a63ed3057381d71ae5dd2438254d5
PDF
Publication page3ed554addec8fccca1937995d4301afe824f4d2151f2caf8ac2951e0fc70e685
Manifest3bdc655ec62ce0d07697558eb602c4cab9698d024927c90f0f96a187b7e579c6

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
SignatureU65YbHRFNdRIXAvrpm5YLquPY953fggABaiTGjtAdv+j3JrfPeIggxokKzq4oKtuTPRlZV91TzQwMwF8osyECg==
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

2026-09-17T12:01:40.727511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017728
observed 3ed554addec8fccca1937995d4301afe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:40.711413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017728/manifest.json
observed 3bdc655ec62ce0d07697558eb602c4ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:40.694053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017728/publication.md
observed dd506f94192d7ad7628c3ef85fdf337a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:40.678334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017728/publication.txt
observed b93d2f629156bbd69e853df00cbdb92e...
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.