OpenTechnical

OT-2026-000097189

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, 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-2026-000097189) never changes.

Identity and time

Publication numberOT-2026-000097189 · never reused
Internal UUID01a0aea1-01ca-7720-844f-f6c33e599e2d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097189
StatusPUBLIC

Content hashes

Canonical text96995c01094eac0215dc82ab0cfe835ee92a9b0fecd86cd4ca4d8f516aa6c66c
Markdowne85fd1687ad3470bface0cb56fb507f096e3a3c866620e6db52badc64de70622
PDF
Publication page6af2c797ee807a9b95c5e8e7cca39e286abe79ca00d7357383f04f0fb8488667
Manifest7637c85fea64d30499a3975fb172ff2556de4193d9dd519b3e407cca6aed0d04

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
SignatureFBUaWpYI5/IpPVwTt+VC4meUgtbZCsQj26NZ8kpM5CODwRQV/3/21dJwbAQFHL3qPW3BRrBeqb9XyI9LRwIIDA==
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

2026-09-17T09:11:04.187786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097189
observed 6af2c797ee807a9b95c5e8e7cca39e28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:11:04.170075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097189/manifest.json
observed 7637c85fea64d30499a3975fb172ff25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:11:04.152398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097189/publication.md
observed e85fd1687ad3470bface0cb56fb507f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:11:04.134579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097189/publication.txt
observed 96995c01094eac0215dc82ab0cfe835e...
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.