OpenTechnical

OT-2026-000023024

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000023024) never changes.

Identity and time

Publication numberOT-2026-000023024 · never reused
Internal UUID01a0ae70-46ec-7974-a62e-d77d45cb18c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023024
StatusPUBLIC

Content hashes

Canonical text1d8133acb0d82ec04268050ac8970da5c518a25f2fe84f5f09b008ea32dccca8
Markdown5f60456ffe85707749d30c8d4347dc95997f20a30959077a47b7eb8af3d6961f
PDF
Publication page46a2ddb2eae6bf29de393853d4563075e3b0730f905963a23b9d99176ed6dddc
Manifest2b2dd33d001e978618b3193036ccf92b2151c1a2755bd6317480178d6d0af82f

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
SignaturePFNaq8TAIdaM8O0rO9hzleiuzMUUbxekPMe0/Lqj/Ox3HxCcaSjtmBmG/e8CuMUd5S2Wy4YeMaw1tPTvf3FzBA==
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

2026-09-17T11:52:37.396701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023024
observed 46a2ddb2eae6bf29de393853d4563075...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:37.380944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023024/manifest.json
observed 2b2dd33d001e978618b3193036ccf92b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:37.360303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023024/publication.md
observed 5f60456ffe85707749d30c8d4347dc95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:37.340306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023024/publication.txt
observed 1d8133acb0d82ec04268050ac8970da5...
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.