OpenTechnical

OT-2026-000029025

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump 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-2026-000029025) never changes.

Identity and time

Publication numberOT-2026-000029025 · never reused
Internal UUID01a0ae73-2a9e-7607-824e-231d318aefbf · 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-2026-000029025
StatusPUBLIC

Content hashes

Canonical text198e509109a1e6b32cafe2162437e7a2869261a24c5a87c693c5bc521d488f28
Markdown8475b8f6aaa2fef52c6e7896a357b9b772c9bcd0951c7ef4626c675caace466d
PDF
Publication page4f6093c132085ed3b5899f3fa8d318e88d7e7583bd63a9d9160af8fa592343d4
Manifest13381e9808866dc4b566c429e094e5820b90d21b1a5585918bc379856de8eee8

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
SignatureCzVGtoKiTN1PKbxSpFsFr+DWc98wvY3ux1eokpw1kTM77a+rgAJogST8feC+ipB+De979fjO/Z+AaszumBPSAw==
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

2026-09-17T08:20:37.032389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029025
observed 4f6093c132085ed3b5899f3fa8d318e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:37.015583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029025/manifest.json
observed 13381e9808866dc4b566c429e094e582...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:36.999018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029025/publication.md
observed 8475b8f6aaa2fef52c6e7896a357b9b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:36.981404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029025/publication.txt
observed 198e509109a1e6b32cafe2162437e7a2...
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.