OpenTechnical

OT-2026-000025233

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single 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-2026-000025233) never changes.

Identity and time

Publication numberOT-2026-000025233 · never reused
Internal UUID01a0ae71-5fa6-7646-8326-168d75b7f27a · 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-2026-000025233
StatusPUBLIC

Content hashes

Canonical text31d9d2b24ff61412f9b29dc67b32f871884dddc4f64d5ad6f993944f5760b9ff
Markdown9b0f923909f3c9653f9886d2fded6bfbc8deacb1c69d8fffb5af934ed133797f
PDF
Publication page2397412a3cadc1a0c04af3a9bd257c930a61f5464a8051481f7fc36fba2b9476
Manifestae9fc1d22a7f60e9c9e3c94aebe2466218cc97e613ba87dea8f7f12d1b452730

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
SignatureDrJHcSO3CBRPfjlRjiy8/ZgjyqSs3daTr4eNYRiisu+0CvbEroQNwtcyFdIu7W/+Yqb7TPYD13+kAKLvGFgHAw==
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

2026-09-17T11:47:14.582233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025233
observed 2397412a3cadc1a0c04af3a9bd257c93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:14.566748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025233/manifest.json
observed ae9fc1d22a7f60e9c9e3c94aebe24662...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:14.549300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025233/publication.md
observed 9b0f923909f3c9653f9886d2fded6bfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:14.533048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025233/publication.txt
observed 31d9d2b24ff61412f9b29dc67b32f871...
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.