OpenTechnical

OT-2026-000087368

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, 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-2026-000087368) never changes.

Identity and time

Publication numberOT-2026-000087368 · never reused
Internal UUID01a0ae9a-cd4f-73c7-963c-89468489f762 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087368
StatusPUBLIC

Content hashes

Canonical text5533896ca70807022c2926ca146101d3a2863424c33291fc9b8be74bf3e33ec8
Markdownf0bd2dc2da41a85262a6a29ee54980826f4aeda9baf4acd818c597f98f335911
PDF
Publication pagef5f91e0f9a290611d86792f32df3bfedc24b2aa5233cccbdc1e26f2cb85c2010
Manifest55f12798ad51ff913ea65e4b8da32f678192a010c533d574f7cc551be4b2cce1

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
Signature8oFpnRKVBpPipqGC1LJthvKrdHzB3CUxatZbtScrSAv2CYCWgzuZd5HFhqCctNgGQ9CjgGO3UA8pgzEn0cBsBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:50:33.124852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087368
observed f5f91e0f9a290611d86792f32df3bfed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:33.107341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087368/manifest.json
observed 55f12798ad51ff913ea65e4b8da32f67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:33.088771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087368/publication.md
observed f0bd2dc2da41a85262a6a29ee5498082...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:33.071461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087368/publication.txt
observed 5533896ca70807022c2926ca146101d3...
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.