OpenTechnical

OT-2026-000032785

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000032785) never changes.

Identity and time

Publication numberOT-2026-000032785 · never reused
Internal UUID01a0ae75-4841-7db2-856a-6b75f5422758 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032785
StatusPUBLIC

Content hashes

Canonical text99603f7f25f7ead448916eb2feacadfa851da1193b4fb88ab88226d6b9ffff54
Markdown79341e092b22fa019b04c207ef40b7075a01607c8e86b54c8520bc1ada1ff462
PDF
Publication page3219351a38094e792a9dcfdb2217e6e8cdc42ae6e694b2bfe189878e4513480c
Manifestc853f6c4fc68d37faa9133381e7c01a574492c9a8e60141fae0e34dfdf9eee44

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
Signature4OmdO59qyHeEEZiGA1bSMHK1hm4wkw1bNNzdyBeSL4NLwqpmRkdZeHVr7QEWQuwXOm1KzbATqiskD1+DU8+xDg==
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

2026-09-17T11:32:13.668379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032785
observed 3219351a38094e792a9dcfdb2217e6e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:13.651059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032785/manifest.json
observed c853f6c4fc68d37faa9133381e7c01a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:13.633979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032785/publication.md
observed 79341e092b22fa019b04c207ef40b707...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:13.608930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032785/publication.txt
observed 99603f7f25f7ead448916eb2feacadfa...
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.