OpenTechnical

OT-2026-000030851

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, pulsed blow-off before set-down

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-2026-000030851) never changes.

Identity and time

Publication numberOT-2026-000030851 · never reused
Internal UUID01a0ae74-3fb5-706a-a2d2-8a92ce8e558e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030851
StatusPUBLIC

Content hashes

Canonical text2afcfe7c53ea90b9c1d532a7798ed6558de4f5b7937bf3dc1e35a800a6c381fb
Markdownb03d0298efeb183044009890081489816fb8e38fdfc2b11e784129c8fac31cff
PDF
Publication page021a97d0a373e25907752cdec9e8177406187100f0517be78dc084d9c9f15aac
Manifest3d53e857dbfa6637c47b9dda237c41b782e63d0fbce34f4735a9e3de77229a0f

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
Signaturey9noGQvYJjFiiZcWY2yoRWieGATXFEqqaM+fhy+mxrbIFZ8+KzjF+ypJGDd5i/uJKZlqixXm5mSOPImX+IikBQ==
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

2026-09-17T11:36:49.692491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030851
observed 021a97d0a373e25907752cdec9e81774...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:49.677106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030851/manifest.json
observed 3d53e857dbfa6637c47b9dda237c41b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:49.658324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030851/publication.md
observed b03d0298efeb18304400989008148981...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:49.638675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030851/publication.txt
observed 2afcfe7c53ea90b9c1d532a7798ed655...
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.