OpenTechnical

OT-2026-000091781

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000091781) never changes.

Identity and time

Publication numberOT-2026-000091781 · never reused
Internal UUID01a0ae9d-43b9-7304-8cbd-064cc9cc7672 · 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-2026-000091781
StatusPUBLIC

Content hashes

Canonical text088461de8ca5a2e177521ee3414cea0a377dec61005d38bca586cdf53fcbb1d5
Markdowne4faeedf0ba05846bccae3a4713f7213584c475e069d7285b96731f5d4610faa
PDF
Publication page026e05f1d0e2d18936fd27ee3a5d3fb6acaa6ffda36a5ac9232666b8cf8d08a8
Manifest22943321de19c85595febfb94592138770ac27b68be27e8fcbe60b2e0a9ff6f6

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
SignatureVBIjLO/0L9Vq9ab3KR6iWwVvY1MNEhntiz4a0SHfgPSan8PZtJEPvWLOrsA4xXGdvlbGz7jfth/HFHCHkZo/Aw==
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

2026-09-17T09:42:40.687654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091781
observed 026e05f1d0e2d18936fd27ee3a5d3fb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:40.670558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091781/manifest.json
observed 22943321de19c85595febfb945921387...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:40.654516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091781/publication.md
observed e4faeedf0ba05846bccae3a4713f7213...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:40.636615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091781/publication.txt
observed 088461de8ca5a2e177521ee3414cea0a...
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.