OpenTechnical

OT-2026-000019138

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off before 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-2026-000019138) never changes.

Identity and time

Publication numberOT-2026-000019138 · never reused
Internal UUID01a0ae6e-f391-76dd-b51c-407ee085d269 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019138
StatusPUBLIC

Content hashes

Canonical text09b394fc2c48b5a2361e26cfe82d43870830ca31bcad88eb2076723c91f039dc
Markdowna35d60d6e999994531a552bc259502e6bb19ddaa46eb1eec3ce9d790e4e98cb2
PDF
Publication page65cb15459606b2964c043d36738ef08322ee06e728c30705930af05df0204f8b
Manifest89ed628022ff68c52c68353bfb528ba037a5a4b6d3eb19057c2ddbb19d69f69c

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
SignatureVSZhN1zujfORT9WMSMufaecYxfs5ho9GvgIvDxgwt2seXCsrLxo3PeGH++uCTYZKx6WGqG0pkFp9djFOlSUEAA==
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

2026-09-17T11:58:26.776200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019138
observed 65cb15459606b2964c043d36738ef083...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:26.758802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019138/manifest.json
observed 89ed628022ff68c52c68353bfb528ba0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:26.741462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019138/publication.md
observed a35d60d6e999994531a552bc259502e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:26.720440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019138/publication.txt
observed 09b394fc2c48b5a2361e26cfe82d4387...
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.