OpenTechnical

OT-2026-000051552

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, 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-2026-000051552) never changes.

Identity and time

Publication numberOT-2026-000051552 · never reused
Internal UUID01a0ae83-7c81-705c-9981-c1c0903c5500 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051552
StatusPUBLIC

Content hashes

Canonical textce93c159a19d3334f2a3f0d137aaf0dcccc61e139fcf7c0ccc5af937a03be281
Markdown0f3c7507d4d93e3880919038e1027eb818f23dd858c4a686512b598d06ca07f6
PDF
Publication page42c8c5d6a92abba65f5cc6135e92a95d97072bdf72674a857ba8bdb85128a692
Manifest5c9ae07961de2273ab3932fc743ade9995d7fefc790542858010f076efe7149c

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
SignatureHKQdNvoh15iqBd0s6A2mD62j1BVRTRMdg7dO5Vv5UIMSKPgbN5HN+V5/tDZZL0amRyic+4jUgt6n+ebyYYbvCA==
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

2026-09-17T10:58:23.159132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051552
observed 42c8c5d6a92abba65f5cc6135e92a95d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:23.141241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051552/manifest.json
observed 5c9ae07961de2273ab3932fc743ade99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:23.120634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051552/publication.md
observed 0f3c7507d4d93e3880919038e1027eb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:23.101625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051552/publication.txt
observed ce93c159a19d3334f2a3f0d137aaf0dc...
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.