OpenTechnical

OT-2026-000036142

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000036142) never changes.

Identity and time

Publication numberOT-2026-000036142 · never reused
Internal UUID01a0ae77-01ce-7ad5-aee3-e0e3369ea17f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036142
StatusPUBLIC

Content hashes

Canonical textc0b9b37a4b0d4c7d83491adee52e0715bea24623d8d5e4de164c53c609115733
Markdown43448777facc24b1a819ea6d3ff54c247dd0dfb17d8653a33244b92a0ac5c1ee
PDF
Publication page3ca67a59db973b2072748ef1f3ce23a223b0c15b1d488a451fb40862ec79ed42
Manifest5ab5dd2f21f243d499c822d1802d95deebbb33dfec7c04993587279d5e5df206

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
SignatureqrVcbcCNwlbB1uYj4Ke+eTk7KXxmtxn3DLHSE7Q6lLSwspyFeJlAH+I7efHcnGcM/vltDZmnCfeW+JPQl8R3Ag==
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

2026-09-17T11:26:20.650615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036142
observed 3ca67a59db973b2072748ef1f3ce23a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:20.630663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036142/manifest.json
observed 5ab5dd2f21f243d499c822d1802d95de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:20.610267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036142/publication.md
observed 43448777facc24b1a819ea6d3ff54c24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:20.590675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036142/publication.txt
observed c0b9b37a4b0d4c7d83491adee52e0715...
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.