OpenTechnical

OT-2026-000050033

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained 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-2026-000050033) never changes.

Identity and time

Publication numberOT-2026-000050033 · never reused
Internal UUID01a0ae81-fd78-768e-b577-981512634988 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050033
StatusPUBLIC

Content hashes

Canonical textd625d78aae2a03494770bea2b348e3cfd2ec6134a6ac3fcd7865a5061e7e0dd7
Markdownc1390ef32215122acf34b41eb1290fc35ffd229001b35977a23d6bb4678064e8
PDF
Publication page3d39e5b362657427ffc55937af4d85aafb4f70915809e5758fac7f25361f5193
Manifest831899dbf2116b9037eb0de85f4fa4e4ab1472dd488f85c9dd132bda13c91962

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
Signature+dQGTDLeusrbwHded9ISW1dFlCWAgWYf3sDtpKmn3CkMvqDgP2q5noSiISaycLxqb8xIUM+AyWHziL8fPPbzCA==
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

2026-09-17T11:02:00.462946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050033
observed 3d39e5b362657427ffc55937af4d85aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:00.442416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050033/manifest.json
observed 831899dbf2116b9037eb0de85f4fa4e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:00.422024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050033/publication.md
observed c1390ef32215122acf34b41eb1290fc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:00.403127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050033/publication.txt
observed d625d78aae2a03494770bea2b348e3cf...
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.