OpenTechnical

OT-2026-000093599

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000093599) never changes.

Identity and time

Publication numberOT-2026-000093599 · never reused
Internal UUID01a0ae9e-508b-772b-b1d5-dd54404a99e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:46.038602Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093599
StatusPUBLIC

Content hashes

Canonical text35240f38b37a47c95add50d7dfc37d5f7c9b8141c0d98e10e9a5bd71a7dbd795
Markdown9510209e6c76ab7252f00792d0c6925db13db0c826888a1be6c2240ea58abd43
PDF
Publication page83337061f8e33ff0c3ed9c1a0f5833e3a5fbbe94eb393556be373b3271375e05
Manifestf517bbc6db7eecda831a58ff9e21d7932aec5244fe2a3e4d7688568357948833

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
SignatureNffWOo7/Dbkbv9JyCIkk0hQSOUyQftRTTU0KCPzVMj5yHMeRJsj5CL51Fqod+iOakjH9TlGgmMjO7qGvhHP9AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:39:38.462466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093599
observed 83337061f8e33ff0c3ed9c1a0f5833e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:38.444962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093599/manifest.json
observed f517bbc6db7eecda831a58ff9e21d793...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:38.427483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093599/publication.md
observed 9510209e6c76ab7252f00792d0c6925d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:38.408015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093599/publication.txt
observed 35240f38b37a47c95add50d7dfc37d5f...
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.