OpenTechnical

OT-2026-000030819

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000030819) never changes.

Identity and time

Publication numberOT-2026-000030819 · never reused
Internal UUID01a0ae74-3fb5-7acd-9441-b384a0f6493d · 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-2026-000030819
StatusPUBLIC

Content hashes

Canonical texta8b8fad4ef38494c2a5b09726d73bbb1ed6274727bfa2444b385cf522a871b89
Markdownf041cd1f7a62d265d2ce563730668ab94a500c38a2df991c457bc3e9f2f01f33
PDF
Publication page28344b00dda0869a9264036729baa41a6337b48b812efb3a37c11cec4429980d
Manifest62e45b08b45d616d04ba6cbf671a6209b69ceb440eb6c07474fe34c1c080572a

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
Signature38p2eMrgx9ZKctf0rMKtPhv1314v/48aQ8Zn3EDbPTOHhkk4Bw3d0ZXTkEEIQlyk+hiYIBUcL1U2pk5K8AG1BA==
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

2026-09-17T11:36:41.992258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030819
observed 28344b00dda0869a9264036729baa41a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:41.975622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030819/manifest.json
observed 62e45b08b45d616d04ba6cbf671a6209...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:41.938076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030819/publication.md
observed f041cd1f7a62d265d2ce563730668ab9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:41.896835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030819/publication.txt
observed a8b8fad4ef38494c2a5b09726d73bbb1...
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.