OpenTechnical

OT-2026-000091984

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, 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-2026-000091984) never changes.

Identity and time

Publication numberOT-2026-000091984 · never reused
Internal UUID01a0ae9d-43bb-705f-bf39-9e5749f41724 · 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-2026-000091984
StatusPUBLIC

Content hashes

Canonical text44be837e83d4972fb1e32940bc151b0ac5fc4ff8df9f054b591e4081d78416e6
Markdown648f7984286af43721c99ef286fcc0b65d19c51cf7c7a4aadf88fb56bafa0f43
PDF
Publication page3fe2cf3bc7f956bb8a9f9082c5ae8bea713a1a37f8d88f0eec50efa01f49cae2
Manifest15b32568f4c7b2eab6fbef4ed11cba9306691b9a384f04c2b36c20630b27240b

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
SignaturemVBrXTcX6mudkvamW+YaazU5jUPoCedyXU98GyXZgmtsiHYT/23yS8gEjclp8GukS9bzn0DW3oLOxZ7+NVy8Cw==
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

2026-09-17T09:42:58.127215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091984
observed 3fe2cf3bc7f956bb8a9f9082c5ae8bea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:58.095063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091984/manifest.json
observed 15b32568f4c7b2eab6fbef4ed11cba93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:58.042866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091984/publication.md
observed 648f7984286af43721c99ef286fcc0b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:57.982823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091984/publication.txt
observed 44be837e83d4972fb1e32940bc151b0a...
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.