OpenTechnical

OT-2026-000019872

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000019872) never changes.

Identity and time

Publication numberOT-2026-000019872 · never reused
Internal UUID01a0ae6f-1fb6-7be3-87ce-4abcbc9f5f30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019872
StatusPUBLIC

Content hashes

Canonical text7f463643ddec307b798595d069dea1803411c5357119589429a4886ee24a202b
Markdownf2296700118222af6eb9ae431136f8d69eed1e626ecc968d6a71a382a78f1718
PDF
Publication page6f7d116fb203f69ef5d4dd5bc9fb67200f34f297611b91908a27328e987fc68c
Manifestcb8d4e831a4d40b69806fc18c4d73e67917f74f6918c8015e3fbbf605c475397

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
SignatureUKpAmbgSYP4R1LzGLNjwimVblT7e7vafn7CO6v+m6eMiiUABIklWHb3GKiI0y5gEWTihZnVT+7WgDtVkNev5CQ==
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

2026-09-17T11:58:04.436010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019872
observed 6f7d116fb203f69ef5d4dd5bc9fb6720...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:04.417709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019872/manifest.json
observed cb8d4e831a4d40b69806fc18c4d73e67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:04.397497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019872/publication.md
observed f2296700118222af6eb9ae431136f8d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:04.378716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019872/publication.txt
observed 7f463643ddec307b798595d069dea180...
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.