OpenTechnical

OT-2026-000051461

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, vented 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-2026-000051461) never changes.

Identity and time

Publication numberOT-2026-000051461 · never reused
Internal UUID01a0ae83-7c80-7357-8c9e-b187c7088776 · 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-2026-000051461
StatusPUBLIC

Content hashes

Canonical texte1a1d6d0eeca98447a3f3123484d901d943dff8e29d44d0e7a93ff37a9805955
Markdown82eee80d069b69e0dfc430f693dac7ce559770fc3bb1e89b4396949ceff73659
PDF
Publication pageb0251750939c9d36fb8eec6d8048d660de0dda0d1760c21b6894d97bf7171b43
Manifest69381506c49ad6cbff87582022d44dec27309921c9c75bb7eaa2b5946d7844c0

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
Signature+XU9zLrsV9W5enrKFTv0tyHku9g6l3EBVtbD5ldT+X8WHBz1/vvw9YnKjg9pep0AaGk+8/r51RtCWOucg83YBg==
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

2026-09-17T10:58:11.487124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051461
observed b0251750939c9d36fb8eec6d8048d660...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:11.467513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051461/manifest.json
observed 69381506c49ad6cbff87582022d44dec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:11.448138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051461/publication.md
observed 82eee80d069b69e0dfc430f693dac7ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:11.426248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051461/publication.txt
observed e1a1d6d0eeca98447a3f3123484d901d...
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.