OpenTechnical

OT-2026-000037142

Publication integrity record

Four pad foam 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-2026-000037142) never changes.

Identity and time

Publication numberOT-2026-000037142 · never reused
Internal UUID01a0ae77-7741-7095-9de8-7677d7e93b49 · 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-2026-000037142
StatusPUBLIC

Content hashes

Canonical text0702f50f427d524b7d4553e041600df6d92a232a6a2def31a3e6c04a41bf820a
Markdown691aec25a35753bde2867f9b6ce141daa8fb2625a992f85fa80817622bc47cb8
PDF
Publication pagec1d56a51cbf7fd6a5834c6c265cab6eaf002c4120fa815102f31f75e9a7ceaef
Manifest9020b793221a7a05b0fd046a20029c4141e86704065c388e226344def85a5776

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
SignatureAbuSfoamiP486U6HZQ9EJRKQbsleqJOU5b6C3hfWuTHL0FtoV9BhfwuAA42/Egvd1+vMCzfR/eHN4TCxDpYtBA==
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

2026-09-17T11:25:01.317835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037142
observed c1d56a51cbf7fd6a5834c6c265cab6ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:01.298537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037142/manifest.json
observed 9020b793221a7a05b0fd046a20029c41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:01.279075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037142/publication.md
observed 691aec25a35753bde2867f9b6ce141da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:01.260716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037142/publication.txt
observed 0702f50f427d524b7d4553e041600df6...
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.