OpenTechnical

OT-2026-000033360

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold 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-2026-000033360) never changes.

Identity and time

Publication numberOT-2026-000033360 · never reused
Internal UUID01a0ae75-8980-779b-a906-33c44c192ba9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033360
StatusPUBLIC

Content hashes

Canonical text67fb9f48b9158be99026fbdc89806f6b363d125271c419a47007c8cea21cf13b
Markdown63c16bd0c41a40b4592b5192ec0366071ddfe4aaa3e2ceea8584d205a747b67f
PDF
Publication pageb97ce76ee16189bf82b155a55a4fd4208efb210203899a83e6e82c2be9727e73
Manifest5d8344b0b4992bb79eaa29841723c5e4db75cf0a9d28ceec14372c469b0bb2d9

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
SignaturebinOT3NqNctCqx3PdvJmqhwSpCbgQHzlGRcc+NxN6CXw3vtVsHII2AKbzre+Q3IQBgnJLEJz2pdLifyASOB8Ag==
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

2026-09-17T11:32:07.569725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033360
observed b97ce76ee16189bf82b155a55a4fd420...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:07.551696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033360/manifest.json
observed 5d8344b0b4992bb79eaa29841723c5e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:07.531639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033360/publication.md
observed 63c16bd0c41a40b4592b5192ec036607...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:07.509825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033360/publication.txt
observed 67fb9f48b9158be99026fbdc89806f6b...
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.