OpenTechnical

OT-2026-000021917

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, sustained blow-off 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-2026-000021917) never changes.

Identity and time

Publication numberOT-2026-000021917 · never reused
Internal UUID01a0ae6f-bb5b-74c1-b779-04a169212118 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021917
StatusPUBLIC

Content hashes

Canonical text6197c67dc03105c0b07ddcb265e05b3c4050054e2907d9bbc7c6832464319656
Markdownf8cee2732d73e2b116d5bd6de292914c0bd3e81c1acdef010a5ce9f94dabea3d
PDF
Publication page7ccaa0119f584047ef108ea6e20a57463dc7fff051b0decfd134462c7d5f1384
Manifest76fc40151da4890429136a08725269d80d0fdf15e4c35cf66f7f8bd42f88c7fb

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
Signaturev6Ie0EvPYTS81n6r/DoufJqEUqXMmu+uEIsdTcxo6J7vNGMewFyrB+yfHuMl5fPQb4lJM5BMYkgtCzwQe3vLDw==
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

2026-09-17T11:54:29.467292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021917
observed 7ccaa0119f584047ef108ea6e20a5746...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:29.447597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021917/manifest.json
observed 76fc40151da4890429136a08725269d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:29.427970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021917/publication.md
observed f8cee2732d73e2b116d5bd6de292914c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:29.411316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021917/publication.txt
observed 6197c67dc03105c0b07ddcb265e05b3c...
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.