OpenTechnical

OT-2026-000090205

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000090205) never changes.

Identity and time

Publication numberOT-2026-000090205 · never reused
Internal UUID01a0ae9c-428f-784d-8856-cd1e6d01c898 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090205
StatusPUBLIC

Content hashes

Canonical text14e372a8b4de8d2e967cfe2ad208b4387df0fb22f95ff401557a3921ed371e4c
Markdowne992586c4e075e102e3df4c08263acf01882f4f677c2b8430d8ffd5dec80a482
PDF
Publication pageecf2a88ea639d3e48894363a173931ea5b8ddff21044e34ec72ec377f73651cc
Manifest09e3c00e0c11f0a76893b1bd02542cfeab065454c0b487cbf90f92d8b72016cc

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
SignatureNx1QfqXn7syRHpnsO1FLZvKo53sBYIrLoBV/NjHlAoXXTZR04WUBsrS3+HwdrRDzTL+qi5O9Ao4n6HyuUmVnBw==
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

2026-09-17T09:46:16.787499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090205
observed ecf2a88ea639d3e48894363a173931ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:16.768852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090205/manifest.json
observed 09e3c00e0c11f0a76893b1bd02542cfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:16.751818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090205/publication.md
observed e992586c4e075e102e3df4c08263acf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:16.734944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090205/publication.txt
observed 14e372a8b4de8d2e967cfe2ad208b438...
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.