OpenTechnical

OT-2026-000025394

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, supply line 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-2026-000025394) never changes.

Identity and time

Publication numberOT-2026-000025394 · never reused
Internal UUID01a0ae71-5fa7-7e85-8ee6-5a2fdeff32ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025394
StatusPUBLIC

Content hashes

Canonical text16943cbfd564686fd4348121aac6c642f785267dfe07a6cf605ae669c380b2a3
Markdown3e719c1c26263bc95ed9c3992b0d6787de861ffb8956af536f9cf9e1bd7f316a
PDF
Publication pagedf345cc44fa7059731c07f08634444d1905e48881f9d78dd129c547bc3fa58df
Manifeste9a22f424d39d4386ae68e8879cbb9a04c93138191177ca01a03a4347ee7f3d4

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
SignatureAdQM4LEN2qLvPbcMY2dsw/EExKhGhBu0HBjDx3ZXqDGvcrzOzJnWeNcXhTyGEZ0pvt49xC4dwL3p7KLj3zT9DA==
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

2026-09-17T11:47:27.741364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025394
observed df345cc44fa7059731c07f08634444d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:27.723214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025394/manifest.json
observed e9a22f424d39d4386ae68e8879cbb9a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:27.705623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025394/publication.md
observed 3e719c1c26263bc95ed9c3992b0d6787...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:27.688015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025394/publication.txt
observed 16943cbfd564686fd4348121aac6c642...
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.