OpenTechnical

OT-2026-000091951

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000091951) never changes.

Identity and time

Publication numberOT-2026-000091951 · never reused
Internal UUID01a0ae9d-43bb-752d-bef5-e383e6568d57 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091951
StatusPUBLIC

Content hashes

Canonical text8b574a08f533a8a320842d7216077dbb4444f0c808d2b476e6ffb5f033a3346f
Markdowncba3a17a6654b768f0d3549f941255d3a41c5caba8e15c974ddd564d83d88fdc
PDF
Publication page5a17935fa4f1a467fc26fd417d471f5a3de409e4dc80835e8203e532affa3591
Manifest93f3e5c7c2db50657224cd1b92a13b67ba55b7b21a0c4e3506847efa29eba5b3

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
SignatureBb7rpCkc0WMIv+AToDJrx0PRgAGWmyZuznGpWI9sgISJB/kZYGqtvWhtOV8exVIOYnJ2vkkHEW1htA2g34bQBQ==
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

2026-09-17T09:42:54.146479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091951
observed 5a17935fa4f1a467fc26fd417d471f5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:54.128810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091951/manifest.json
observed 93f3e5c7c2db50657224cd1b92a13b67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:54.111546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091951/publication.md
observed cba3a17a6654b768f0d3549f941255d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:54.093923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091951/publication.txt
observed 8b574a08f533a8a320842d7216077dbb...
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.