OpenTechnical

OT-2026-000046290

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000046290) never changes.

Identity and time

Publication numberOT-2026-000046290 · never reused
Internal UUID01a0ae7e-57cb-7396-8dda-ca4507afcbd0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046290
StatusPUBLIC

Content hashes

Canonical text641891d6dde17185bbecd6f5ef22e2c14ed320bcda63676a26bf7f14c2e1d08a
Markdownf4cf32daf3122d2d08f46e777653837246a2ee1ab64de259acff1d8bd7df0950
PDF
Publication page10fd9193174ae50347aa65819cc0c70fbb29723477082f045c4e88ae2bd0a643
Manifest3f5ffff7b89fa9b367e5bc7a1d79ec5407a93aca6ed6188c31559a984320c094

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
Signature+roYqc8RVXCL7UynAO2QK9lAYbwjwjvuqCsmAJOziXi2e9Ksze3ArLXWAfOHHePuQw7nriR92AVMy3377n43DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:08:15.276767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046290
observed 10fd9193174ae50347aa65819cc0c70f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:15.257322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046290/manifest.json
observed 3f5ffff7b89fa9b367e5bc7a1d79ec54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:15.238139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046290/publication.md
observed f4cf32daf3122d2d08f46e7776538372...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:15.216795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046290/publication.txt
observed 641891d6dde17185bbecd6f5ef22e2c1...
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.