OpenTechnical

OT-2026-000021596

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000021596) never changes.

Identity and time

Publication numberOT-2026-000021596 · never reused
Internal UUID01a0ae6f-865e-758d-8ef8-dd2ed7ceb3ba · 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-2026-000021596
StatusPUBLIC

Content hashes

Canonical text539a1fa5bede5523f8fb5efd65be10b582552f4a12facc90c0e2f153f93ca1a0
Markdownbf5423ee26e40d30e595783d614f7fd1bf5aeb70c6ded0c53be9fa907acf98d8
PDF
Publication page57712900af56d45bd79572fed108d788d056107d484db7d1a6dd87aef379df75
Manifest0394f4004bb0de4a700f6d3d1cdb4e96739141d0f0bfc213aa2e7a07aa50022f

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
SignatureZZlZYaSFXMbVe5jHxchUQ5+uc4RTeXCczJyE41yCFhEUs553ZWXH1YCs+pTPj553NpH5eDfZmUyEzfI3JSZxDQ==
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

2026-09-17T11:55:31.180501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021596
observed 57712900af56d45bd79572fed108d788...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:31.162739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021596/manifest.json
observed 0394f4004bb0de4a700f6d3d1cdb4e96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:31.145357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021596/publication.md
observed bf5423ee26e40d30e595783d614f7fd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:31.125644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021596/publication.txt
observed 539a1fa5bede5523f8fb5efd65be10b5...
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.