OpenTechnical

OT-2026-000021369

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000021369) never changes.

Identity and time

Publication numberOT-2026-000021369 · never reused
Internal UUID01a0ae6f-865d-7454-954e-27087ec6b61a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021369
StatusPUBLIC

Content hashes

Canonical text19d3ec3d7043af363b19426748b82208a4b798b93359a18945c4d7cfed862c57
Markdown8a36079190662bdb5e88ab7ec8540cec548b91f30dd64f8a2c862516ea5bef24
PDF
Publication page8e979b41c67d35ba516db0d7a1008ff4079bb00cd2c3c683314bfa2ddc38a683
Manifest7009358495871918154be1aa67a906ba4d6c14c7168ab58ebaf9ee8c8c68f737

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
SignaturelzuECuw/k/OzeEJdkoRvlWnVU6zNaY1qf1VE7JT/zhtKQqzLt/9AVptmpbHfauaKye0s25nAIDb5SfIadwNtDQ==
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

2026-09-17T11:55:14.163015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021369
observed 8e979b41c67d35ba516db0d7a1008ff4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:14.145004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021369/manifest.json
observed 7009358495871918154be1aa67a906ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:14.127037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021369/publication.md
observed 8a36079190662bdb5e88ab7ec8540cec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:14.108446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021369/publication.txt
observed 19d3ec3d7043af363b19426748b82208...
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.