OpenTechnical

OT-2026-000041406

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single 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-2026-000041406) never changes.

Identity and time

Publication numberOT-2026-000041406 · never reused
Internal UUID01a0ae79-b145-7ff2-8d06-6983f802bbea · 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-2026-000041406
StatusPUBLIC

Content hashes

Canonical texte9dd7070140f881ea5d90652d75e9dcd8df4a128aeeca081d53feb85305b8914
Markdown2636807734f69bad208f46d3c73a87c28f27c7514f803eb6d4d62593fc4e4196
PDF
Publication page4e9211842dd19656008d47a492e3a97cfe0abc56db7af2a13eff0046f81ed199
Manifest52d142bdd13d301e03a30c5164a15fa08303facb4d817977882875c26612a2f3

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
SignatureLIPEs8W2gyC04iDiyoUzn3+1QKmPXZk5R81eEBKOAECQYv3whsKozS3YP/qBdXkQvAiAX0mi4qAnyyPGaxLkAA==
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

2026-09-17T11:17:25.185515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041406
observed 4e9211842dd19656008d47a492e3a97c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:25.165960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041406/manifest.json
observed 52d142bdd13d301e03a30c5164a15fa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:25.147585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041406/publication.md
observed 2636807734f69bad208f46d3c73a87c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:25.127688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041406/publication.txt
observed e9dd7070140f881ea5d90652d75e9dcd...
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.