OpenTechnical

OT-2026-000029330

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000029330) never changes.

Identity and time

Publication numberOT-2026-000029330 · never reused
Internal UUID01a0ae73-5e20-7faf-a418-895be85a8a28 · 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-2026-000029330
StatusPUBLIC

Content hashes

Canonical text95f3ba957d42ab49dd65cf037c92bac52f7e5bbeb9ed87db47a39504c494f9a6
Markdown25278d7cab9e16d9af895f043be6e16f5edc2acfe2c8fb4c1f59e127c8f2af9c
PDF
Publication page8f64c0bcaeba2083a9a7d2a82b3680ddf2016e9ed082f7e210474f6e32dfebff
Manifest79c7e055ab8d655a801a69c3ca2c2f6d8e46374e7faa19c4d7d71dc607564946

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
SignatureFd2kmBzvVrc7q9xZ27EBs3OOK83APzDjsXxfxvLCyuOjz+aTr3LQuzKVX+5vSa440uotf6uOY6I3eKg1QLadDg==
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

2026-09-17T11:38:51.853507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029330
observed 8f64c0bcaeba2083a9a7d2a82b3680dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:51.832860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029330/manifest.json
observed 79c7e055ab8d655a801a69c3ca2c2f6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:51.809993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029330/publication.md
observed 25278d7cab9e16d9af895f043be6e16f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:51.793289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029330/publication.txt
observed 95f3ba957d42ab49dd65cf037c92bac5...
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.