OpenTechnical

OT-2026-000044377

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000044377) never changes.

Identity and time

Publication numberOT-2026-000044377 · never reused
Internal UUID01a0ae7c-39d7-7c3b-ad62-3e5f0aae24bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044377
StatusPUBLIC

Content hashes

Canonical texta4607d642719d4a83810331bbde9ad72a5426c0b220eba3b5e383226faebb166
Markdown36a8f2acaf5b457383b70e52659bdd2e0929b250432edfb9a13c377dc4d048f2
PDF
Publication page05644a46c4aa0a0f628e02b1f7aed86c11073d11d1fdcf7b09a307f688fa7db6
Manifest6517222d8c03cf7a020df5d25ce7a5a25ca93a4a5f1ae08db4e19048fa352a92

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
Signaturev92P3e81VMQtfIukFLXoHAMI92KLoMozhbmasHqDHIjyqlI+2Bpz0bgLroV4sdg4cvN/+v6Iab7Z9W3XaiFSCQ==
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

2026-09-17T08:30:33.520514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044377
observed 05644a46c4aa0a0f628e02b1f7aed86c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:33.503875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044377/manifest.json
observed 6517222d8c03cf7a020df5d25ce7a5a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:33.484851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044377/publication.md
observed 36a8f2acaf5b457383b70e52659bdd2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:33.468313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044377/publication.txt
observed a4607d642719d4a83810331bbde9ad72...
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.