OpenTechnical

OT-2026-000045368

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000045368) never changes.

Identity and time

Publication numberOT-2026-000045368 · never reused
Internal UUID01a0ae7c-f76b-7f5a-95e5-72365f467e11 · 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-2026-000045368
StatusPUBLIC

Content hashes

Canonical text0aa0d50a33030b2bf1fcfb8d70531e8328c3627dfefd79df2a3180e8c455432f
Markdowne5afea19dcfc5434ad7d0bc8b0ff453c35eb5659424f9145a9e2203eb30a2d58
PDF
Publication page817ff963ed7b50865af23d75f4c1baf1a35097b65f2c74dd5d6a74440e7f5e2d
Manifest8bf1e87d52e89e83ad4b5adf9ed7a6c3f001fc6af729fcb2403a3cf35cfb58af

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
SignatureoSvxPuqDFrgL6Jt4viQXCfMADnfkzP3HbWkcI1yklM7WRnZIx6ke1LwULrtUcNK4buv6i94u5ieUf1QRiy/dBg==
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

2026-09-17T11:10:38.618606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045368
observed 817ff963ed7b50865af23d75f4c1baf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:38.600886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045368/manifest.json
observed 8bf1e87d52e89e83ad4b5adf9ed7a6c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:38.581432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045368/publication.md
observed e5afea19dcfc5434ad7d0bc8b0ff453c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:38.561408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045368/publication.txt
observed 0aa0d50a33030b2bf1fcfb8d70531e83...
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.