OpenTechnical

OT-2026-000030934

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained 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-2026-000030934) never changes.

Identity and time

Publication numberOT-2026-000030934 · never reused
Internal UUID01a0ae74-3fb6-7229-82db-c9dfc769db40 · 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-2026-000030934
StatusPUBLIC

Content hashes

Canonical text86306b0fe03cb5b98e2b23cbe1b478ed2c14b907627830c33b21432fb0ce27d2
Markdownf463af65e0a363d24c793e9ea199d8abc340fb19a7a5f7b8c31ae7fd2fd6c12a
PDF
Publication page27d2b8881ff7491cc6a00904abc3b309052782cc7c0da069bccbd5008182a4b0
Manifestcfbc3843d0521b479f53502493c361efd1df15f94f368a90909c060366bc590b

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
Signature2TaYT76azvpv6fXVKi0P3ckw7QBBZsVm2noiEee2CBL3gG6Q0LMa2CwHnsnqf/t2KGvQOxq/rx+9KrwfNyi1BA==
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

2026-09-17T11:36:55.799019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030934
observed 27d2b8881ff7491cc6a00904abc3b309...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:55.780182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030934/manifest.json
observed cfbc3843d0521b479f53502493c361ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:55.759835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030934/publication.md
observed f463af65e0a363d24c793e9ea199d8ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:55.739693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030934/publication.txt
observed 86306b0fe03cb5b98e2b23cbe1b478ed...
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.