OpenTechnical

OT-2026-000044855

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000044855) never changes.

Identity and time

Publication numberOT-2026-000044855 · never reused
Internal UUID01a0ae7c-911b-73fb-b152-d87bb1d26e1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044855
StatusPUBLIC

Content hashes

Canonical texte1bce2c2945fb79b82beffa74caf7f8951cc01dea19df57e5fe1f64fefecdebb
Markdown8c48c68e17747bfc90ac39f0c396d11359fa414abc0a611b4bf5115cdc5669e1
PDF
Publication page189ff8a70e5f454c85dda7dedeca8a3775138ff433a91583cd2e4a415ca8509e
Manifesta89bcd077956bbcfda4f6f9b0db17a5b721c08fc88e8dcf2435b2fdbfb70cf5b

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
Signatureb4RwdXmydZ3rDqMrDHBj9+UmrlCu2Q3SRzLSwt3ThBUjUFbpZclOK1FjJLwF9GM87JAnVmN7KEBviXrI5hx6Cg==
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

2026-09-17T11:11:30.234341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044855
observed 189ff8a70e5f454c85dda7dedeca8a37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:30.214824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044855/manifest.json
observed a89bcd077956bbcfda4f6f9b0db17a5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:30.189901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044855/publication.md
observed 8c48c68e17747bfc90ac39f0c396d113...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:30.171343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044855/publication.txt
observed e1bce2c2945fb79b82beffa74caf7f89...
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.