OpenTechnical

OT-2026-000090166

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, manifold 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-2026-000090166) never changes.

Identity and time

Publication numberOT-2026-000090166 · never reused
Internal UUID01a0ae9c-428f-76eb-b480-ebfaa79e8cb5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090166
StatusPUBLIC

Content hashes

Canonical text6fd3fbd341b66e1633a03ca733c8e77d7c164928d483856f38349d7c32869ba9
Markdownd5c01b84bf5d9c4b6edf7800be26d391cfe0627ee2a5bfa35f0eeafa5885f12f
PDF
Publication page49c49ef0507a138138dbfb5dececc5ac93ef86e1d66d477c4c67deba6bbc3a25
Manifesta516234f1fb616791849bb19969c6735488c07e317a4ccb8e0310225ba53e213

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
SignatureRI9VsWSgBhl6vpMdfADi1+bptb3HONyLza17h7R4VnGr4WRYxPkxqtKYwrLDDfPW9yeVjvqmbJTANKYvrJoVCQ==
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

2026-09-17T09:45:41.186898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090166
observed 49c49ef0507a138138dbfb5dececc5ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:41.169376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090166/manifest.json
observed a516234f1fb616791849bb19969c6735...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:41.151903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090166/publication.md
observed d5c01b84bf5d9c4b6edf7800be26d391...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:41.132017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090166/publication.txt
observed 6fd3fbd341b66e1633a03ca733c8e77d...
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.