OpenTechnical

OT-2026-000090896

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pressure sensor per zone, sustained 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-2026-000090896) never changes.

Identity and time

Publication numberOT-2026-000090896 · never reused
Internal UUID01a0ae9c-c011-7070-9b64-34d3ea959af3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090896
StatusPUBLIC

Content hashes

Canonical textf01f5a21951cdd56b13ab6482c128c2062ad0f215d1cb5085f3a803e186b0685
Markdowne65d4f2d69e73df2d404c3472a73873aaa158401949e7a387efa2525cfef43e1
PDF
Publication pagebfb0da6c87068d9afc7287639b16925fe5ca6e9990c09efbc24a16128522b1c6
Manifestafd9206637380a1c87b1b93285deb6fa77443611f2442304a5730dca673b5896

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
Signatureffj8oRaaS/O1jDkzSopLDfIQV52FHB2f9DuAgZkY/rfCk2IkSsjNn2Ke3ibIHKeXwxY341mBS8jvoHbo+Gi7Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:44:05.984207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090896
observed bfb0da6c87068d9afc7287639b16925f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:05.966511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090896/manifest.json
observed afd9206637380a1c87b1b93285deb6fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:05.947578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090896/publication.md
observed e65d4f2d69e73df2d404c3472a73873a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:05.928825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090896/publication.txt
observed f01f5a21951cdd56b13ab6482c128c20...
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.