OpenTechnical

OT-2026-000025488

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000025488) never changes.

Identity and time

Publication numberOT-2026-000025488 · never reused
Internal UUID01a0ae71-5fa8-7733-8e19-c289e1658b46 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025488
StatusPUBLIC

Content hashes

Canonical text2588c2076f37b4a98af9325181a9569508b8b0e8c64fad02576c8cb6c2cd4a7f
Markdowna333bf0c4aa659a67b8d1a07136d511c1f79bf497c4ca4b6743b84367f861f64
PDF
Publication page681f61070331c376a998bbbdcea0125017b7789d197e28c4939065f399631d76
Manifest15d457a81af5832a284c96959671384f06ede24b3f1c5b06520aa502486a1294

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
Signaturewga3c/G+oID8GBJIaJtaxmlyfem8n3h77sOvXusIikzpVljiLsT3BOJTfUN6jci1jaxBSngIlcGO5M/H1t53Dw==
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

2026-09-17T11:47:34.873214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025488
observed 681f61070331c376a998bbbdcea01250...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:34.857698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025488/manifest.json
observed 15d457a81af5832a284c96959671384f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:34.839599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025488/publication.md
observed a333bf0c4aa659a67b8d1a07136d511c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:34.821665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025488/publication.txt
observed 2588c2076f37b4a98af9325181a95695...
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.