OpenTechnical

OT-2026-000018392

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line 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-2026-000018392) never changes.

Identity and time

Publication numberOT-2026-000018392 · never reused
Internal UUID01a0ae6e-b489-79ac-b7b1-f3e293ec988e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018392
StatusPUBLIC

Content hashes

Canonical textcdc48f18056c2b899c3626d7a2b5d1d7dec51b3a61942370ddcc513a0594b655
Markdown17f5d4141a845bd2aea546c0798c22dca86cc85b9a31acba301e88f5834b40fc
PDF
Publication page24ff812b2790005df61b451a89364d5f1f2fdc39bac33fdb7a7334781a8983fd
Manifest5f23f37e11c5984f8a1902feef5726b827037f29ef29b87d1e8ef215c9000904

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
SignatureuEmhwC91u1V+9SCnJrd33XzKeVOmd/rMVHbYXQbKgTOU0VFaMwF3A5oYKkl4D8hlqlRpzyzt8m/cuVrFxy9UBg==
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

2026-09-17T12:01:08.051510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018392
observed 24ff812b2790005df61b451a89364d5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:08.036166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018392/manifest.json
observed 5f23f37e11c5984f8a1902feef5726b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:08.019336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018392/publication.md
observed 17f5d4141a845bd2aea546c0798c22dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:08.002083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018392/publication.txt
observed cdc48f18056c2b899c3626d7a2b5d1d7...
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.