OpenTechnical

OT-2026-000048406

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000048406) never changes.

Identity and time

Publication numberOT-2026-000048406 · never reused
Internal UUID01a0ae80-4de4-76ce-8342-7a837c38f3a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048406
StatusPUBLIC

Content hashes

Canonical textc921c1c9be532928ee7a37ac6bf8a3d78a0a11ee3f56fe33b235afbd037b95c9
Markdownbec406d6f78f1a3867b6b32a5ec68961a676c750bd7210d45c6bb9475bcfd8ab
PDF
Publication page8375cfbc503f769753430b9baf457fc5013183626e1e11d5fd50e24a6f24ba15
Manifesta4f2cfda47514e2bd547216f0085a1fee0974d7c1493c39083af5d386c083bb7

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
SignaturefGjAcCTw1qTkCE2Abx9uH2kx3SkUKqpiDe8JDQGieRFseddr8Dc3jjfJwqc9VccTCn2tBC6lmybyy6kWbg4pCg==
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

2026-09-17T11:05:02.741256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048406
observed 8375cfbc503f769753430b9baf457fc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:02.722866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048406/manifest.json
observed a4f2cfda47514e2bd547216f0085a1fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:02.704522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048406/publication.md
observed bec406d6f78f1a3867b6b32a5ec68961...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:02.683826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048406/publication.txt
observed c921c1c9be532928ee7a37ac6bf8a3d7...
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.