OpenTechnical

OT-2026-000098339

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum 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-2026-000098339) never changes.

Identity and time

Publication numberOT-2026-000098339 · never reused
Internal UUID01a0aea1-e965-7a13-ae09-535220fe9e74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098339
StatusPUBLIC

Content hashes

Canonical textbba438f47cb3b18a75aa5003275eabe00e1714b40ae42bda9895509d50d5e1d3
Markdown727b27d1db6b8536c2c7262ba6fb5f17927f94e300c3ce22b6bf4bf1cb7c2309
PDF
Publication page4af38f8a86d5d7e09ad83d1bcd9b14ccf83b654a8da95ecfc9e5ef71719f24a6
Manifest33c5d813b74263ec60b25eb9b6895a49b132058ef57d9b3b60aee4791d9b7809

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
SignatureKRpPuO/q67ECK7Y1ZcbirCogLiyLGoffwOWSbsQwjvH9lq1DuzzCBM1Gcg/kNpOeyjug0fgKNBkvXo45PrJgDA==
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

2026-09-17T09:31:33.324100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098339
observed 4af38f8a86d5d7e09ad83d1bcd9b14cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:33.305321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098339/manifest.json
observed 33c5d813b74263ec60b25eb9b6895a49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:33.287489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098339/publication.md
observed 727b27d1db6b8536c2c7262ba6fb5f17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:33.272179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098339/publication.txt
observed bba438f47cb3b18a75aa5003275eabe0...
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.