OpenTechnical

OT-2026-000091430

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three 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-2026-000091430) never changes.

Identity and time

Publication numberOT-2026-000091430 · never reused
Internal UUID01a0ae9c-f16d-72ab-8f4b-302e84e60c47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091430
StatusPUBLIC

Content hashes

Canonical text35d927f085bc6ff7d0374a5de600bf829a958e9e8b6480f4dcc1b1a1436632c0
Markdown6eaad00f40ac834700f689e7ad81926874d773e1be085639eb9ab18621056162
PDF
Publication pagea868fcabda93a8821dca917248300b9ef7ee86582c543bf0e34b016b3bfc91a1
Manifest1b85c6637e6caac48cced93633260e741f3bbd1ab2ac7a587cda1e5d3d57d9d0

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
SignatureuRkdHBOX9zCZouPOFmSWUTh8pIu6OVSYZKD3Va+ebfqXKAnGTQhp0LngHN0Z1EDEBS1G83vz949k3IXwc3K4Cg==
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

2026-09-17T09:43:40.237788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091430
observed a868fcabda93a8821dca917248300b9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:40.220331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091430/manifest.json
observed 1b85c6637e6caac48cced93633260e74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:40.201862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091430/publication.md
observed 6eaad00f40ac834700f689e7ad819268...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:40.179148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091430/publication.txt
observed 35d927f085bc6ff7d0374a5de600bf82...
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.