OpenTechnical

OT-2026-000052380

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off after set-down, on a tool changer

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-2026-000052380) never changes.

Identity and time

Publication numberOT-2026-000052380 · never reused
Internal UUID01a0ae83-e792-7551-b695-599ff62db7aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052380
StatusPUBLIC

Content hashes

Canonical text90c331f67b85554c63e20651ed3b7521ca1146bfff49fe1219cf6f6cb8cb4df2
Markdownf65d58f7a21b40525b50548408022b37ceebf0f44a95f7a87a6f9fd89d13585a
PDF
Publication page3a95e9f17640407e7fbd86ffaf12e08f2532bd9a09771cc1e6fda767dd593c60
Manifest67094787791eb06235c1beaf726f279164a85377bb54aa559ddb1e2b3e48b85e

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
SignaturevAzxjKrOgbzlsV/ps/PKD2LUW/oxwIFcZ0bYzWLQ3mhFAgqxinEzF/5gtkwIQNYfWD0XZL41ULH3IyBXvcdQBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:05.003932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052380
observed 3a95e9f17640407e7fbd86ffaf12e08f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:04.985772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052380/manifest.json
observed 67094787791eb06235c1beaf726f2791...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:04.965560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052380/publication.md
observed f65d58f7a21b40525b50548408022b37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:04.947019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052380/publication.txt
observed 90c331f67b85554c63e20651ed3b7521...
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.