OpenTechnical

OT-2026-000029293

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000029293) never changes.

Identity and time

Publication numberOT-2026-000029293 · never reused
Internal UUID01a0ae73-2aa1-7094-b6ce-b0d7a44723cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029293
StatusPUBLIC

Content hashes

Canonical text0fa7c6f07a9bf05e6d877d06aa867b9a77f71a855441f417d8afe42f8bbc8760
Markdown5a2821af337c31834c91c9312815fe31ad8e1424d7351f2c7e9739cbb87248c4
PDF
Publication pagebadf6175056d01100664c4b9404df801b78cb4898ae276a4c028e4446042a63b
Manifest007f88921eaf29aa218db3e90a13563b7d7d933f1232424723a2d15babe2aafa

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
SignaturesB+81oyiBiFn5qP6Kuvnhbz8CC3BvH7iQ1xmFLejXgzOUrLr94N2Fi8dz0v2UGViVfzZcJArNBdAUsHVrQAKAg==
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

2026-09-17T11:39:55.841654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029293
observed badf6175056d01100664c4b9404df801...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:55.824517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029293/manifest.json
observed 007f88921eaf29aa218db3e90a13563b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:55.807259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029293/publication.md
observed 5a2821af337c31834c91c9312815fe31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:55.788379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029293/publication.txt
observed 0fa7c6f07a9bf05e6d877d06aa867b9a...
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.