OpenTechnical

OT-2026-000026452

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000026452) never changes.

Identity and time

Publication numberOT-2026-000026452 · never reused
Internal UUID01a0ae71-f4a8-725b-adcb-72e45fc499d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026452
StatusPUBLIC

Content hashes

Canonical text0299d4bb9dcf1bdb699d7b4f7b00c62ee69a04b9755a879b2c6cb5f917e9cc67
Markdowndb38cc5c5a00617c80836493cc04d58a4c114e6e433cc591c9525e4aec068290
PDF
Publication page987a5374e2f4c44f584db448b120e7fbe14f89299478b330fa9455cc996f7867
Manifest7e5c25f4fcd141b48f3ae7e303dd0fe7b831a8426c9e0ff4fcadfc1bfaebaa4a

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
SignaturesSe5ZXLMO6h2Cv7zuJB5pwGQwxyYKDkZx+AJveH9o0mWBsWTV3nleb5ApEjqhZ8xK1nVupLelgQ5bSp2DK/wAA==
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

2026-09-17T11:44:27.078553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026452
observed 987a5374e2f4c44f584db448b120e7fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:27.062758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026452/manifest.json
observed 7e5c25f4fcd141b48f3ae7e303dd0fe7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:27.044461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026452/publication.md
observed db38cc5c5a00617c80836493cc04d58a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:27.026478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026452/publication.txt
observed 0299d4bb9dcf1bdb699d7b4f7b00c62e...
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.