OpenTechnical

OT-2026-000055941

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000055941) never changes.

Identity and time

Publication numberOT-2026-000055941 · never reused
Internal UUID01a0ae87-0a4a-7c43-84f0-d5eaf0f255c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055941
StatusPUBLIC

Content hashes

Canonical text8fb68acc63693a53821975866e0900be4fa8eb33baa2a9318ff59f6c378bf3ce
Markdowndc6afa59e58d2fc686ec9f15af9f2ca77fd5d12a0e39c0da42ffd357cb43daee
PDF
Publication page837f3dece8b3a51063108542d603819437198e351ebe889cf255b5c502f5955a
Manifest283f47d47ba342b3d2cc6a202d13f3af0e38e675d780d0be0b75de48c09944e4

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
SignaturecHbbusnu+1UZ/rKqDZHnBdLesYEEzQxhLCtSqz/Zc3HOJZvaB4+bHewffnx0IzUg4QLAM4nJozLgWJWUepkSAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:26.696642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055941
observed 837f3dece8b3a51063108542d6038194...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:26.678158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055941/manifest.json
observed 283f47d47ba342b3d2cc6a202d13f3af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:26.659019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055941/publication.md
observed dc6afa59e58d2fc686ec9f15af9f2ca7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:26.638537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055941/publication.txt
observed 8fb68acc63693a53821975866e0900be...
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.