OpenTechnical

OT-2026-000040630

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000040630) never changes.

Identity and time

Publication numberOT-2026-000040630 · never reused
Internal UUID01a0ae79-6d0e-7d9d-8963-a4334b2205e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040630
StatusPUBLIC

Content hashes

Canonical textf7ccadc9c0197fcfa87f2a0507d95df1c10dc0fa33857b006e54663c24e3fbf2
Markdowncccd71cec0492d4a24271cd0a8817c31fad6a452174c6cd6296e186fb4ef2f1e
PDF
Publication paged30f7d423287c91a452c4f0fff21acb06023a9ccc9cfe8234f3c037727a6e572
Manifest28f29b4787e130a1730bbe384ae2ea47ac71cf01841b3f4e4d6c4fc20115a282

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
SignatureYA8+niIWXzEZqiiBXssHS+b1sWx8H+Aa+y43zXxdfKevpJ3oDMuliaJd8yd0zdPoUtPNy6HY2E3AHl9BVY5ODw==
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

2026-09-17T11:17:48.661122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040630
observed d30f7d423287c91a452c4f0fff21acb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:48.644460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040630/manifest.json
observed 28f29b4787e130a1730bbe384ae2ea47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:48.627951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040630/publication.md
observed cccd71cec0492d4a24271cd0a8817c31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:48.605915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040630/publication.txt
observed f7ccadc9c0197fcfa87f2a0507d95df1...
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.