OpenTechnical

OT-2026-000029462

Publication integrity record

Four pad foam vacuum gripper, four 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-2026-000029462) never changes.

Identity and time

Publication numberOT-2026-000029462 · never reused
Internal UUID01a0ae73-5e21-7c8e-b2bc-03c3acd4fb03 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029462
StatusPUBLIC

Content hashes

Canonical textbdc95e2ac91cdb511d46f33380f3d7f98fc8f4e94f87ca0bd0ccb1123716db2c
Markdown6bfd298b613f99b585d11d6cf33f380d5b791f8341018fb9db59f7c1475dce60
PDF
Publication paged1bb50d1ef832de8682714d9ed772fc08135a84f5974c82827ff1911dc59b20c
Manifest6234cda426f9512ed71d8e33f904bdfc340c123a901c05482fae7beda0a571e2

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
SignatureUP4fteBTkZhOiVBmUXy2xEecYuQfyHOY8wwLjqzZ3HMkeqBxHqHNxREcXVs5bJmunYoaI1piyQXOz2Vk1ChcBA==
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

2026-09-17T11:39:05.038359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029462
observed d1bb50d1ef832de8682714d9ed772fc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:05.021825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029462/manifest.json
observed 6234cda426f9512ed71d8e33f904bdfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:05.005087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029462/publication.md
observed 6bfd298b613f99b585d11d6cf33f380d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:04.989635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029462/publication.txt
observed bdc95e2ac91cdb511d46f33380f3d7f9...
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.