OpenTechnical

OT-2026-000030470

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000030470) never changes.

Identity and time

Publication numberOT-2026-000030470 · never reused
Internal UUID01a0ae73-e504-7885-bf58-cabeb16db620 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030470
StatusPUBLIC

Content hashes

Canonical textd9df8e7ef0e5244cfef168baff23c72d6de021ffcba254c402583ac085205a70
Markdown027d6bbc81806011ee6d752ecbb1d9d213d46ce72fe612c505bbcf7af91e951f
PDF
Publication pagee51b0ea006998d32bb4f218879c82bb059c25cd59ef0695d962715aa39947ce2
Manifest02915ab3d69e66431f01709e7ecb57ff4b3c617f85d873985e520a792d11a2a3

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
SignaturevxOV89pQ7tETzhFsMr6AsqQe+ODRBuVUD9L6d7MIFnz9/koCpFVo69rUruVg+rBoRnJS9e7GlX9h0gW7A8YGDQ==
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

2026-09-17T11:38:18.808093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030470
observed e51b0ea006998d32bb4f218879c82bb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:18.786561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030470/manifest.json
observed 02915ab3d69e66431f01709e7ecb57ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:18.675113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030470/publication.md
observed 027d6bbc81806011ee6d752ecbb1d9d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:18.653249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030470/publication.txt
observed d9df8e7ef0e5244cfef168baff23c72d...
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.