OpenTechnical

OT-2026-000035442

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000035442) never changes.

Identity and time

Publication numberOT-2026-000035442 · never reused
Internal UUID01a0ae76-6a20-75ff-a74e-07d6becb65f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035442
StatusPUBLIC

Content hashes

Canonical textcc7ca887fab5d5699b71d6a5d5d90175126e0da739fb6ad2102748103e9f58f6
Markdown6e3e288c74158b1d3eb62760a947d90b71bda8b0a58134f8c7f6c16b79213864
PDF
Publication page73abb22bd32517fa8a317066849e0e137fc05cd63ab340364c477c79548cab5a
Manifest6935a30a58bdf96cadda5b87b0263e523362a09959f70827a62ec75647b947f2

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
SignatureK++MFg+OQvtX+1z7Q7LDDIT7AD6Gr97c1iX/+OwKRb6fDZASN//l5lfB+zYkcJVgdjV3mewhBhW4rBTDBxxRBw==
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

2026-09-17T11:28:45.534864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035442
observed 73abb22bd32517fa8a317066849e0e13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:45.515141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035442/manifest.json
observed 6935a30a58bdf96cadda5b87b0263e52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:45.495859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035442/publication.md
observed 6e3e288c74158b1d3eb62760a947d90b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:45.476213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035442/publication.txt
observed cc7ca887fab5d5699b71d6a5d5d90175...
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.