OpenTechnical

OT-2026-000095780

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000095780) never changes.

Identity and time

Publication numberOT-2026-000095780 · never reused
Internal UUID01a0ae9f-fac6-7e63-8604-de2128cff562 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095780
StatusPUBLIC

Content hashes

Canonical texted61bf2dcbb6e72cc6f534ce5b89052a7409cc55a0d0fc23b93b60fa88290569
Markdown469ca789b6a1e0164448c8d9d75d11c752315981cd78e31ee16d80dcc12af470
PDF
Publication page1e11727896d1b2eba1b3c67f76c6e8382038d49c99ba067b8b189609d594c754
Manifestb55f57ba02074371f0d750a253207a98b903fea0387fc19fe7565966b66b03cb

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
SignaturejdkAiC7M/bKdNx7golpbsSxuxI/uzOkWArSuLt8MpYYtOKirIhTaXzGz9N1tpaGIR746EXzhjpBPOpk45e+nAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:35:50.911163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095780
observed 1e11727896d1b2eba1b3c67f76c6e838...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:50.892797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095780/manifest.json
observed b55f57ba02074371f0d750a253207a98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:50.871897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095780/publication.md
observed 469ca789b6a1e0164448c8d9d75d11c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:50.855316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095780/publication.txt
observed ed61bf2dcbb6e72cc6f534ce5b89052a...
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.