OpenTechnical

OT-2026-000050031

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000050031) never changes.

Identity and time

Publication numberOT-2026-000050031 · never reused
Internal UUID01a0ae81-fd78-7879-a39b-3aaaada16959 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050031
StatusPUBLIC

Content hashes

Canonical text20d7e7f50e06d174b3b6593213768d5c946c77a47e6ac72c19f888ee3803c824
Markdownf9325dd47cea64fb2155a6772d59c78704e537178b2624424555f59ad18b989a
PDF
Publication page95f6a60409b3118341a6735412d352ee02f467bc269463f5d5ee464d8f5f9138
Manifest6ed4ed4170d0078e6ab97f6fd3a657628849b0eb8e9ea4e21eb28f12340b568f

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
SignaturefqzNH7WjwUac77ajws/PCprqh8AytzZ+zt+t7nVJcvmKXEYlBu+ELrKBG1PfmU47aBts38x+GQOz74sw5noRBA==
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

2026-09-17T11:02:00.293608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050031
observed 95f6a60409b3118341a6735412d352ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:00.275448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050031/manifest.json
observed 6ed4ed4170d0078e6ab97f6fd3a65762...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:00.256705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050031/publication.md
observed f9325dd47cea64fb2155a6772d59c787...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:00.238411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050031/publication.txt
observed 20d7e7f50e06d174b3b6593213768d5c...
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.