OpenTechnical

OT-2026-000087384

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, 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-2026-000087384) never changes.

Identity and time

Publication numberOT-2026-000087384 · never reused
Internal UUID01a0ae9a-cd4f-7bf4-a8a5-47c41e360dda · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087384
StatusPUBLIC

Content hashes

Canonical textadd93bf6855242b348e11e6c1bd444fa476aa288c60d3cf11a1d4386825f9a40
Markdown5f9a3eb58885a483465ef5ba0b02d0cdda5f48bfdf0f3fcb1a319e2e93477c22
PDF
Publication page7ffb08e0940830732eb8a609b206a00dc5fa5ecdbcf35ef6bfae59d0c964d069
Manifest6ba3933bf52bc49def9f9cb43941cddf68cd578e5122a9faab5ce4aef5e90071

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
SignaturedpUhLLi354n6x5KMvgtwNHEbj2kH4+rHTiTAiVBce8Vefdm0x2VEsBnV+OWnOD1CyVZQbAg3Vsk7uJnrZcRhAg==
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

2026-09-17T09:50:41.725922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087384
observed 7ffb08e0940830732eb8a609b206a00d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:41.579613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087384/manifest.json
observed 6ba3933bf52bc49def9f9cb43941cddf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:41.557092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087384/publication.md
observed 5f9a3eb58885a483465ef5ba0b02d0cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:41.236313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087384/publication.txt
observed add93bf6855242b348e11e6c1bd444fa...
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.