OpenTechnical

OT-2026-000095241

Publication integrity record

Four cup vacuum gripper, four zone face, pump fed, pressure sensor per zone, sustained blow-off before 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-2026-000095241) never changes.

Identity and time

Publication numberOT-2026-000095241 · never reused
Internal UUID01a0ae9f-8f70-74bc-93fa-a7a910073f15 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095241
StatusPUBLIC

Content hashes

Canonical textcc6f2e58b65d6265fe414c023892df99a70f17a4a1d7039fd151a77af55af0b2
Markdown18eeaf4336556d75043075352561d8dc7d06d1dec45473ccc8948decdfdb32f8
PDF
Publication page338cdda0aa816f807fe4d43e5403bd41777978f8c3478b23cbf53375dd7e36f4
Manifest34a2b4bc33683d29c2a6a494d6099d4a2bc5d800b29f3a29de9cceb116ae2dc9

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
Signatured0crNWHIN+Bqw/Xd2HMLul3hGpFFj6AlsJHUy6hh41o2nicqkD/5r2Kv8LQDGK0IT72Shcpl23tW2wYmvhw6CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:34.019976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095241
observed 338cdda0aa816f807fe4d43e5403bd41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:34.002544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095241/manifest.json
observed 34a2b4bc33683d29c2a6a494d6099d4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:33.985169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095241/publication.md
observed 18eeaf4336556d75043075352561d8dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:33.965948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095241/publication.txt
observed cc6f2e58b65d6265fe414c023892df99...
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.