OpenTechnical

OT-2026-000030929

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, pulsed blow-off after 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-2026-000030929) never changes.

Identity and time

Publication numberOT-2026-000030929 · never reused
Internal UUID01a0ae74-3fb6-7def-972d-61614a0eeda3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030929
StatusPUBLIC

Content hashes

Canonical text66414da9052b3e6a9e8eea926f5a4dc80ac890da10eeecb30458ebc40ff00006
Markdown8db332e0f14d367e30aef67cb0754acc35421e6d34e6da971d9654aa1f126975
PDF
Publication pagef7c1a7c463f21ba7b70cd9007c6df11519edca33a5ca100ba6385b02128c3619
Manifestf845e3d253a5b4a5169098e4bfa544b78e5db43dfeed5e9af41ef26cd847ba8f

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
Signaturexex5+dCUB8Egdee60JIZMDNuctc/pQVrdu9RnS4i0t78dMFntz0QhEdaM+1ujPu9cn4yKZAcrs6dG/RemCo6CQ==
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

2026-09-17T11:36:55.387937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030929
observed f7c1a7c463f21ba7b70cd9007c6df115...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:55.370118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030929/manifest.json
observed f845e3d253a5b4a5169098e4bfa544b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:55.350820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030929/publication.md
observed 8db332e0f14d367e30aef67cb0754acc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:55.333489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030929/publication.txt
observed 66414da9052b3e6a9e8eea926f5a4dc8...
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.