OpenTechnical

OT-2026-000032876

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000032876) never changes.

Identity and time

Publication numberOT-2026-000032876 · never reused
Internal UUID01a0ae75-4842-7ba8-b4e0-bd8ba7fbdebe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032876
StatusPUBLIC

Content hashes

Canonical text28e9876d626bc0b3e7026dfc24d4de9d0b37f62b0d06961d108c2c2ed54f18c4
Markdown2319361f88d5d1c387c890e71e95618c07d03037ee37ee7b7c5ffb51430cfc09
PDF
Publication pagef5e4c3772faa6b25a2005f6b2c48219c3efa95a60a7d596e6c1650419beff261
Manifestbac96b706a8db638d0cc1359bcb6bd0830cc9c52a7e34d98826098241b06defe

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
SignatureSNjLEBOBFIHjtmSUTu5xujIAgIy0nMoHDNPXRoohpC2zJGlgUu5Es1XK7NUTfMy7sX/c7MhN34esZpxyhaV6Aw==
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

2026-09-17T11:32:27.343028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032876
observed f5e4c3772faa6b25a2005f6b2c48219c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:27.316974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032876/manifest.json
observed bac96b706a8db638d0cc1359bcb6bd08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:27.299284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032876/publication.md
observed 2319361f88d5d1c387c890e71e95618c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:27.281450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032876/publication.txt
observed 28e9876d626bc0b3e7026dfc24d4de9d...
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.