OpenTechnical

OT-2026-000098694

Publication integrity record

Four cup vacuum gripper, four 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-2026-000098694) never changes.

Identity and time

Publication numberOT-2026-000098694 · never reused
Internal UUID01a0aea2-42ae-7805-aa35-f3bacd6b1212 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098694
StatusPUBLIC

Content hashes

Canonical text25270403d0251eac91c654d9aec632bc90e3e3d78163372dd68ea47dcbe147c7
Markdown165c020d1517e860db135b6cdb3c677c25db0c0e81b9a0e4c0fbe1980c0a6d21
PDF
Publication page73cfe4bb5b6adb45d45c7fb9adcf515221189a0c26636d36bd97f4d543f10ab3
Manifesta94152c08298126cf5e3ab3c0395466537d0c7d641f14103c41053d0f53268d1

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
SignaturewJbFyAThSssCIGmOFt+xTK9LkSWB4ZpeuFNCh3MhiGa8gLDxwecxJmdKd1hPVGnPh/RCWLTwGmzv4GzpspmrCw==
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

2026-09-17T09:30:59.867449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098694
observed 73cfe4bb5b6adb45d45c7fb9adcf5152...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:59.850453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098694/manifest.json
observed a94152c08298126cf5e3ab3c03954665...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:59.831476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098694/publication.md
observed 165c020d1517e860db135b6cdb3c677c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:59.814586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098694/publication.txt
observed 25270403d0251eac91c654d9aec632bc...
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.