OpenTechnical

OT-2026-000081602

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, vented after 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-2026-000081602) never changes.

Identity and time

Publication numberOT-2026-000081602 · never reused
Internal UUID01a0ae97-0f72-7788-8a5a-42237aacbbd6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081602
StatusPUBLIC

Content hashes

Canonical text18e28c087987abfad6c36c5c467c2d38ae264a7836ad8ed6ecb831fe1a6c0b72
Markdown3e02662415b8b2fabb018c3e223f8c8dbe060d91e1af81af193ca0f8bb4e43df
PDF
Publication pagead0fc972e2b8df6d25ac1b27ccb95d107bf9e96d2bd459c487c610f7c528fb90
Manifest6e81075d9d2a8f3f3e60058e4356c69d2ba6290c080fd299866941b8de349c72

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
SignatureqK2mCs/DBgoN3N9SZ19N07129oM/BJYdUn60uqli6UkEvjPM5xt0xpe5Q4C+haVSAQNV0l7j5/oaLaCvuWpSBw==
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

2026-09-17T09:59:38.407896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081602
observed ad0fc972e2b8df6d25ac1b27ccb95d10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:38.390712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081602/manifest.json
observed 6e81075d9d2a8f3f3e60058e4356c69d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:38.372609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081602/publication.md
observed 3e02662415b8b2fabb018c3e223f8c8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:38.356811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081602/publication.txt
observed 18e28c087987abfad6c36c5c467c2d38...
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.