OpenTechnical

OT-2026-000016380

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000016380) never changes.

Identity and time

Publication numberOT-2026-000016380 · never reused
Internal UUID01a0ae6e-2d12-7f1d-ba4f-04ef3ccced5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016380
StatusPUBLIC

Content hashes

Canonical text187387328fab28c694593059e942b2062d525f41e95e22cea0b1c55393837c6b
Markdowncc020a6b21e02299a07b130b30b1cc42d77d10ba12b13ff54ca3cf1b1be78d90
PDF
Publication page3b3785cd8af955ca7f0d8df414bcd6614f5f0bf4467d79f58936c58b4c93c463
Manifest08b9ec12f9fca36b3877e24843b57ed001265a0be4adf96af42c22adff4e464d

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
SignatureDh6EZ9Kt1v8CeXT4hqPemuYKFADbarNHgp7CINJm9rOul8oyHPF11Y6+A53Ty2+ScZe2BSMgfRVYk4MaAX6yAg==
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

2026-09-17T12:04:27.518263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016380
observed 3b3785cd8af955ca7f0d8df414bcd661...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:27.495130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016380/manifest.json
observed 08b9ec12f9fca36b3877e24843b57ed0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:27.472071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016380/publication.md
observed cc020a6b21e02299a07b130b30b1cc42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:27.454320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016380/publication.txt
observed 187387328fab28c694593059e942b206...
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.