OpenTechnical

OT-2026-000045380

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000045380) never changes.

Identity and time

Publication numberOT-2026-000045380 · never reused
Internal UUID01a0ae7c-f76b-76c3-b937-d371b120c3df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045380
StatusPUBLIC

Content hashes

Canonical text286498202df01db94fe4e78771499766749befc7006647d22bb111202922bb15
Markdownadd1b56cf14a12db0466fd7279e427d02b90deb43d4426fbc63cc2d1e7499a60
PDF
Publication pageb70af1a89d21e0c6ee43e8856dee567c130804f722e44d80f9bb9b39c09bd042
Manifest2f2f14d43ce55d18c7780dd0ea1c6381550af570406b4a045fd04eee8fc77abb

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
SignaturepNj/KFx4axQp/muFkADXT0SH6zTKd9JTTcnGKD0D6WsjWINyHtsYF1+mbyoIjwmTsKxtA41hIW25toypbnBQCw==
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

2026-09-17T11:10:39.550072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045380
observed b70af1a89d21e0c6ee43e8856dee567c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:39.530141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045380/manifest.json
observed 2f2f14d43ce55d18c7780dd0ea1c6381...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:39.512611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045380/publication.md
observed add1b56cf14a12db0466fd7279e427d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:39.495034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045380/publication.txt
observed 286498202df01db94fe4e78771499766...
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.