OpenTechnical

OT-2026-000093708

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000093708) never changes.

Identity and time

Publication numberOT-2026-000093708 · never reused
Internal UUID01a0ae9e-508c-7cc7-a3bb-6627363bd9d6 · 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-2026-000093708
StatusPUBLIC

Content hashes

Canonical texta46fc8ae12010a64132e6c1df2731473afea15ede52bdeafd369c745e2335bb3
Markdown74710df678c8f64e61549684ac8889a09f3a54c008897b9d67097c87b4141cce
PDF
Publication page52a56865e9e96eb3b4b3e413b70b4af61e7b7e5be77c8cd94d75a4c1e4dd4ba9
Manifest5ea60ea7ca9c24b3f18025d0a2b695886bf252444d19489a60c2fca1bade008c

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
SignatureXB49lQ07BRjBCzs/rhJ2lJZFNmTenm4b1bX7GSaDt6ylekBGGtndsimTDw+pzoEFb95JbKWS6hftw3aLrJ3VDg==
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

2026-09-17T09:39:46.613497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093708
observed 52a56865e9e96eb3b4b3e413b70b4af6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:46.594243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093708/manifest.json
observed 5ea60ea7ca9c24b3f18025d0a2b69588...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:46.575798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093708/publication.md
observed 74710df678c8f64e61549684ac8889a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:46.557805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093708/publication.txt
observed a46fc8ae12010a64132e6c1df2731473...
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.