OpenTechnical

OT-2026-000029005

Publication integrity record

Two cup vacuum gripper, two 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-2026-000029005) never changes.

Identity and time

Publication numberOT-2026-000029005 · never reused
Internal UUID01a0ae73-2a9e-7a6e-9755-45eba2e83062 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029005
StatusPUBLIC

Content hashes

Canonical text78fa8b56644a5e00f128dfc486555d9b25e6e6233795938348cbe7a3bede8f00
Markdownea1ee8fc30e9bf3b6f33a7f942791f94f4b05b4b122cd01d91b2319c80593649
PDF
Publication pagecfa2de1d6bd15e6244b7dc70587adbf08c55c7c7aa894ae3648109cf3ced5b2c
Manifestfccc5f8b4ca71eea6a576663f2e200490c68c9139be72110e21636ef0cb917c7

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
SignaturecZycgDjYbF9h7WkEiuLy1RyxHj7SbMPV8X4PzFMnNUhN6Sg5DxY24fzEF/FyzvSTFdCNLtggmfcCk6DJn9HXDQ==
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

2026-09-17T08:20:33.744905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029005
observed cfa2de1d6bd15e6244b7dc70587adbf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:33.726867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029005/manifest.json
observed fccc5f8b4ca71eea6a576663f2e20049...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:33.707697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029005/publication.md
observed ea1ee8fc30e9bf3b6f33a7f942791f94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:33.690039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029005/publication.txt
observed 78fa8b56644a5e00f128dfc486555d9b...
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.