OpenTechnical

OT-2026-000050240

Publication integrity record

Four bellows cup 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-2026-000050240) never changes.

Identity and time

Publication numberOT-2026-000050240 · never reused
Internal UUID01a0ae82-5c46-70f3-94d1-63494b121b18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050240
StatusPUBLIC

Content hashes

Canonical texta4d86c8e0f5d6371402e72adfd44b4e40c945b93f8e0e7d97136fa51d6f88380
Markdowne777e5a1ccc340e90fd3f42b432382392e99956c19a643e6a07b19bd2f7d2df8
PDF
Publication paged29ab9b3a5b432cff2dd61c13b3ca7680b416f0bd89e13de4535153cb49438e2
Manifest131837c19aa3c036b3ac5614705ef155a996d97177b83ca95bee808387bae588

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
Signature7ELQnToNKX3qRkXy3f9TzI/uQonFI8ZJt0YeqR/ZXIC6JJ1KHNrwlkNRtp+wRGgfEg+mooiYXIxQDzHuLNdCDg==
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

2026-09-17T11:01:14.178006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050240
observed d29ab9b3a5b432cff2dd61c13b3ca768...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:14.161955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050240/manifest.json
observed 131837c19aa3c036b3ac5614705ef155...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:14.144122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050240/publication.md
observed e777e5a1ccc340e90fd3f42b43238239...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:14.126230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050240/publication.txt
observed a4d86c8e0f5d6371402e72adfd44b4e4...
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.