OpenTechnical

OT-2026-000036813

Publication integrity record

Four cup vacuum gripper, four outlet manifold, 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-2026-000036813) never changes.

Identity and time

Publication numberOT-2026-000036813 · never reused
Internal UUID01a0ae77-773e-7b1b-97da-41a342b4df15 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036813
StatusPUBLIC

Content hashes

Canonical textf7067d6ff8255696b4027d6085adb6e358c849c007677524fc99d886342e0094
Markdown4962753694e308d717d503fac1710288c5d8e43ca3d80a3c914b2cfb44033df2
PDF
Publication pageb43fbfff4c5271894fcd061496f49bbdb7d600cd7da2ecf96b0e0573c65f65d3
Manifest539597a8bfe094478e8b006a5e80a6c3ccca08cd84a83fc6e4a6acf4884f7947

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
SignatureBLbs7NiJPnBMgGN6alZfaGqINWjVXY+KGA5GD6t/F37ab8dQ42xJRJKxGK9Hx7zoDDgBoPAgaZyuApP2yygQCw==
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

2026-09-17T11:24:25.568065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036813
observed b43fbfff4c5271894fcd061496f49bbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:25.551007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036813/manifest.json
observed 539597a8bfe094478e8b006a5e80a6c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:25.532528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036813/publication.md
observed 4962753694e308d717d503fac1710288...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:25.514065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036813/publication.txt
observed f7067d6ff8255696b4027d6085adb6e3...
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.