OpenTechnical

OT-2026-000045344

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000045344) never changes.

Identity and time

Publication numberOT-2026-000045344 · never reused
Internal UUID01a0ae7c-f76b-7014-8d69-535f84f18a48 · 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-2026-000045344
StatusPUBLIC

Content hashes

Canonical text3e169e85b3872f6fc272d3a52c24316c3478b477825929c7146d29c843ed7778
Markdown640c90c30eba936311cc9026720364ce6b5f725fdda1107ba962253e7a8e2628
PDF
Publication page48c37a417f298bb4a103135c22e73e4c18121faaeea1f09d05cf304ed8cf9439
Manifest9329808ce146e31384bf1541ea96ffbaec2685c4bc85a01f58ffc8452da1e222

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
SignatureLQq8bVlKi+s0xq1M603plclFGRSzjZfhwBtUdcq+3MZC8iOY+O8K23tnikVQk/s5Lk+f9gKIkXZjdoJOfCkmBA==
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

2026-09-17T11:10:36.292014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045344
observed 48c37a417f298bb4a103135c22e73e4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:36.273726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045344/manifest.json
observed 9329808ce146e31384bf1541ea96ffba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:36.255910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045344/publication.md
observed 640c90c30eba936311cc9026720364ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:36.236140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045344/publication.txt
observed 3e169e85b3872f6fc272d3a52c24316c...
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.