OpenTechnical

OT-2026-000086441

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, pump fed, 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-2026-000086441) never changes.

Identity and time

Publication numberOT-2026-000086441 · never reused
Internal UUID01a0ae9a-2c97-73c8-9a50-554668f2fdd9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086441
StatusPUBLIC

Content hashes

Canonical text304da652403bf1dd071d9ef49e3f1e413bbdc438be9320230917be09ea4bb628
Markdown557fa88e1c97cfae2b5b04970501ba299d6eb64e77454e9603bd7ab984a7ab09
PDF
Publication page281208b9226501a91c4449cf7c3e4f3fab5873fa006de00e56af79fe4839d788
Manifest0ebe2ff9a50868904b8f173ca0f0741fa187614a1fbc86287fb52b0a9a122fc6

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
SignaturetKsXr95Mk5f5HNacd7dwqn9rw3c9wfdXryEIrZ2BYIwQVBTrwtPZXahnrY8q+MS2JXf3Cpbav8XvmpaDBhptDA==
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

2026-09-17T09:52:14.449986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086441
observed 281208b9226501a91c4449cf7c3e4f3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:14.430657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086441/manifest.json
observed 0ebe2ff9a50868904b8f173ca0f0741f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:14.411970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086441/publication.md
observed 557fa88e1c97cfae2b5b04970501ba29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:14.393794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086441/publication.txt
observed 304da652403bf1dd071d9ef49e3f1e41...
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.