OpenTechnical

OT-2026-000021925

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three 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-2026-000021925) never changes.

Identity and time

Publication numberOT-2026-000021925 · never reused
Internal UUID01a0ae6f-bb5b-7ef1-9e30-ff6717e35a8e · 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-2026-000021925
StatusPUBLIC

Content hashes

Canonical text8dd040e3584fce55a44f07c7e73d378c54b22216911a3de14265d11b4804ba3c
Markdown584ce77c4ec60dd67d32d8d9e0fdd926038b91788570338485de9d209570ccc5
PDF
Publication pagec6080ac1e702929e6bf246d396496b352353dbcd9c83a537882be58f1852f258
Manifest9f4519f66a16b926a018bc89fc7f40c8dded1dd37786709ea7cce570776067e1

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
SignatureyUdNu3949iSooUYb0J/jOH8eZ8I1wty64RNcBfJcFIkdNFehpWYVqS1SPlAB+452WCmaahQ6e7129tMryUF3AA==
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

2026-09-17T11:54:30.091961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021925
observed c6080ac1e702929e6bf246d396496b35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:30.074084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021925/manifest.json
observed 9f4519f66a16b926a018bc89fc7f40c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:30.055177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021925/publication.md
observed 584ce77c4ec60dd67d32d8d9e0fdd926...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:30.035645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021925/publication.txt
observed 8dd040e3584fce55a44f07c7e73d378c...
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.