OpenTechnical

OT-2026-000080239

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three stage ejector, 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-2026-000080239) never changes.

Identity and time

Publication numberOT-2026-000080239 · never reused
Internal UUID01a0ae96-7e77-77af-bd3d-1336e0bbdd48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080239
StatusPUBLIC

Content hashes

Canonical text90386c0e924042b93970892541b4da318a38641a63622cf157b6a5b395cdfded
Markdown909a7940fde245bec33e6db143c0267587e661a3399b3d2c97a4f7af76e759d8
PDF
Publication pageee9852f0af7592bc3927a483f8910a14a80bca15f6000315e64921327bc17036
Manifest4a0d8d6bcfa4c26ee9c146da53ecefa9574fcbd862f5fe7d2a77f5a5c34fbdd6

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
SignatureUAPcN8UbXnQo7yjWk92ypu3zPM9yp8OhZKRVsIiBzfA/H9i0le8AS5FuveBMnpBD6eaW1NdSDWN71VrJ062fDA==
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

2026-09-17T10:02:41.843834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080239
observed ee9852f0af7592bc3927a483f8910a14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:41.826316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080239/manifest.json
observed 4a0d8d6bcfa4c26ee9c146da53ecefa9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:41.808716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080239/publication.md
observed 909a7940fde245bec33e6db143c02675...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:41.789722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080239/publication.txt
observed 90386c0e924042b93970892541b4da31...
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.