OpenTechnical

OT-2026-000051195

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000051195) never changes.

Identity and time

Publication numberOT-2026-000051195 · never reused
Internal UUID01a0ae83-273f-7318-8be2-5aa1ff152697 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:05.998905Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051195
StatusPUBLIC

Content hashes

Canonical texte547302a7702ba05c5c29ccdb11ee4d4490b93ce76cf20c98ce531b5027501a5
Markdownaefefa6f470d333a994d76afbeb5699355aaae74cd92f222472605054d1a359f
PDF
Publication page402620a6822286744315d2fb56fb2d3ca056d362bc75797e9fb8c77d2306f15c
Manifestab8b78995db148dfb9453b4d9a1fb053cda7bf871042ace8091a0335fa70f4c8

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
SignatureTXI0Z7zkI4lYmWTFT9mCdrX6JqGYUQZjrlj6+WMgAZwKd8v2wq+NLbwRGplPO+0jOSIvb+VLyJYYY/V7qzG2CQ==
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

2026-09-17T10:58:58.472330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051195
observed 402620a6822286744315d2fb56fb2d3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:58.454674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051195/manifest.json
observed ab8b78995db148dfb9453b4d9a1fb053...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:58.437910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051195/publication.md
observed aefefa6f470d333a994d76afbeb56993...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:58.418716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051195/publication.txt
observed e547302a7702ba05c5c29ccdb11ee4d4...
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.