OpenTechnical

OT-2026-000091505

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, single 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-2026-000091505) never changes.

Identity and time

Publication numberOT-2026-000091505 · never reused
Internal UUID01a0ae9c-f16d-7a62-978e-65e2d78310cd · 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-2026-000091505
StatusPUBLIC

Content hashes

Canonical text074bd5e61d331fc453dc4d7e7f63150186f3f05ee763963465389a608a2ef5eb
Markdownd3e759cb0fc2efa767b410bf47c2d29bcc08b97ecc340d16dd1197332373a41f
PDF
Publication page13f4b10f5b352ca4cf963e464900e838543b3742122e24f2efaaabd1ed8d65a6
Manifest199b085773fb72cb3781e03e94c750105ac90ade58d29780d8ac035b6468c85b

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
Signature7XYWYaqv3MojQNir+9q9qkwRg6rdw+ecYPeW7O8y4iFpnDvs5zFVq4q08c0iuNd1P5HnRzXCCda+y6U54ZTPDA==
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

2026-09-17T09:43:45.985990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091505
observed 13f4b10f5b352ca4cf963e464900e838...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:45.967191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091505/manifest.json
observed 199b085773fb72cb3781e03e94c75010...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:45.950115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091505/publication.md
observed d3e759cb0fc2efa767b410bf47c2d29b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:45.934273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091505/publication.txt
observed 074bd5e61d331fc453dc4d7e7f631501...
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.