OpenTechnical

OT-2026-000032141

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000032141) never changes.

Identity and time

Publication numberOT-2026-000032141 · never reused
Internal UUID01a0ae74-f7a5-768f-a405-2eb505d15f28 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032141
StatusPUBLIC

Content hashes

Canonical textb79a8b5e9598f41956d5e618d4d2b7dfe0ff9feee8e57c411fda94b63381b623
Markdownd1258060d06848b50678dfbbc11d94300f58d834b5027ee833af2161b15a5e8a
PDF
Publication page7748b4a8125b2f093f6e65549a672496a8bdb7a17e0a90f0f769158c5271f734
Manifest9650db4a2eaa5f6fd9a1b86e156f98e0828ee942f2d164e00705ae0c93d9832a

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
SignaturewLs1+0gT1dcA+rMlyyizuSEeDL/4Xn5SAOSx6e2TQtB14HXVcNtVibwN6aeAnfJ6Httk9kEYtV8TL/9fD4M3Dw==
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

2026-09-17T11:34:27.711877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032141
observed 7748b4a8125b2f093f6e65549a672496...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:27.694006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032141/manifest.json
observed 9650db4a2eaa5f6fd9a1b86e156f98e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:27.677034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032141/publication.md
observed d1258060d06848b50678dfbbc11d9430...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:27.660199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032141/publication.txt
observed b79a8b5e9598f41956d5e618d4d2b7df...
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.