OpenTechnical

OT-2026-000032953

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, pulsed 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-2026-000032953) never changes.

Identity and time

Publication numberOT-2026-000032953 · never reused
Internal UUID01a0ae75-4843-7649-8489-d3ca78dc70a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032953
StatusPUBLIC

Content hashes

Canonical text28daa70b1779e8ab0a654337e13c5a8e7e26664dfe12eb68b2ea5016c3c53609
Markdownf2f6ce1bcf8ad1cb6bef86792d4a709ff03ad833ca93b5b492c0a7c9466f4760
PDF
Publication page3f87eb98ba1afdaa1bc6018cbc618ec0d5e21924cc4c5f6969e97497ed517952
Manifest76d5cee1a81c79d72c9d4b196c54894d2bf4475b83813c62a82664f19a04f6bc

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
SignatureTV5CSpGyW6U7RrAxDdXNJuzf7kzVAcqpQQH07m3mhv06xIxacqEIdV3gAcE/CPU2OewT/5lZd4esI6Ynih8HDQ==
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

2026-09-17T11:32:33.464533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032953
observed 3f87eb98ba1afdaa1bc6018cbc618ec0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:33.446417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032953/manifest.json
observed 76d5cee1a81c79d72c9d4b196c54894d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:33.428181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032953/publication.md
observed f2f6ce1bcf8ad1cb6bef86792d4a709f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:33.410803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032953/publication.txt
observed 28daa70b1779e8ab0a654337e13c5a8e...
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.