OpenTechnical

OT-2026-000030524

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000030524) never changes.

Identity and time

Publication numberOT-2026-000030524 · never reused
Internal UUID01a0ae73-e504-7702-8000-0b5b3327ad1e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030524
StatusPUBLIC

Content hashes

Canonical text732c5cdb43d59a8f8fd521ead9689868e2f6ded4637526baa8380390cdba54db
Markdownf64db0c0f50cd07f420c5268849f8eaa6e1bddd8b5f844c37f34ae1f9f1e56f0
PDF
Publication page8344724c4330801479c80a9c510a1174ca135af45eaa631a5152011e8f9d3af9
Manifest8e5887e6a3b19cff469f44a61bf2c1ee02020ac902f94e2e61e7fecd6cd35e55

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
SignatureghztW2VOZdIYRJT/8k+dscycYHEv4GME5Kfg7FQWGRK0iXCNOZQHK85a4PlYPt6HJN0eUrW+kdoOad27PJHmBg==
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

2026-09-17T11:38:23.529360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030524
observed 8344724c4330801479c80a9c510a1174...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:23.513563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030524/manifest.json
observed 8e5887e6a3b19cff469f44a61bf2c1ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:23.495000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030524/publication.md
observed f64db0c0f50cd07f420c5268849f8eaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:23.477134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030524/publication.txt
observed 732c5cdb43d59a8f8fd521ead9689868...
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.