OpenTechnical

OT-2026-000041381

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000041381) never changes.

Identity and time

Publication numberOT-2026-000041381 · never reused
Internal UUID01a0ae79-b144-76ef-a387-d1bf059635d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041381
StatusPUBLIC

Content hashes

Canonical text2b2779a2e61870c0a7af51d82307a0e01b79bb6938825c5e175cce6bf92caff7
Markdown95913e6037370f6e860af223995bcf795d169d3041432033012fc1d7baa8ec36
PDF
Publication page90045530c9842c1ff67da1b142983a50a40bc0501772c84f7c67f250a1fccc9f
Manifest6f2acd3d512587eb493fcfba7138c978682f92818ead9a88555cd9abe30336ec

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
SignaturemSYHURmVM776erW2fkIoRYE1aY6xDzDPDVSoyWCdty7dC/LMSxw+4dwGDGz5sAaxyevzcctfjbXa2QOY04hQCQ==
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

2026-09-17T11:17:23.290924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041381
observed 90045530c9842c1ff67da1b142983a50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:23.275210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041381/manifest.json
observed 6f2acd3d512587eb493fcfba7138c978...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:23.258003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041381/publication.md
observed 95913e6037370f6e860af223995bcf79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:23.242157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041381/publication.txt
observed 2b2779a2e61870c0a7af51d82307a0e0...
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.