OpenTechnical

OT-2026-000091465

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, 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-2026-000091465) never changes.

Identity and time

Publication numberOT-2026-000091465 · never reused
Internal UUID01a0ae9c-f16d-72bf-8f1d-aced1b913229 · 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-2026-000091465
StatusPUBLIC

Content hashes

Canonical text94cced816b6186b80e22ab49810b6630882fb6c00b47e6b667dd9add917aa823
Markdowne8c778fd297c5470937c49f343dc93cfa180b9ea27346d24d6985bdf2b69652f
PDF
Publication pagefc922b6964aec44c3c07bcf083cd646142220b4e3b34e94acbea8e7730ed1d96
Manifestff29c256e83fd22a9f93cc810b2a83f72cd7b9330e6484eb9b2ff4f062df5ad1

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
SignatureDe6POBDOSPQ9Sh7z+NnvU0LjeVUvh29V2o6WnUoy8RB5QtOIpGz+Dzmqmsq33CBlC7k7dJa9GaKlgJxympiVDg==
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

2026-09-17T09:43:42.962857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091465
observed fc922b6964aec44c3c07bcf083cd6461...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:42.944225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091465/manifest.json
observed ff29c256e83fd22a9f93cc810b2a83f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:42.924773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091465/publication.md
observed e8c778fd297c5470937c49f343dc93cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:42.903779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091465/publication.txt
observed 94cced816b6186b80e22ab49810b6630...
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.