OpenTechnical

OT-2026-000047692

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000047692) never changes.

Identity and time

Publication numberOT-2026-000047692 · never reused
Internal UUID01a0ae7f-c41f-7eae-a2ff-6a77b634092f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047692
StatusPUBLIC

Content hashes

Canonical text080a311137ce7b90dbafb84eb168bcfaf1f5f05df3bdeb628e3315e4bbca94db
Markdowndfc886cd4e28297138f2f163a47cb6b278e66bb88fb3ad5d7508f3f9ffdce7b9
PDF
Publication pagebf3485282d9246b023d3cc37bda0038142e0f4c38cd00fb8912feaab358154e1
Manifeste20cde04d2a4274cead0d07c510ae9b809d9db7d2ff69bdc1f1412660fcbadf8

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
SignatureJIz13eqB+VZQJts94aoR2AXVDh/NGPvVvzCudULIQpaptzgiGWoxmPb2plzpElYMmQZUbvnpLOXgtCYac05ZBA==
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

2026-09-17T11:05:32.701076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047692
observed bf3485282d9246b023d3cc37bda00381...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:32.681674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047692/manifest.json
observed e20cde04d2a4274cead0d07c510ae9b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:32.660681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047692/publication.md
observed dfc886cd4e28297138f2f163a47cb6b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:32.638173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047692/publication.txt
observed 080a311137ce7b90dbafb84eb168bcfa...
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.