OpenTechnical

OT-2026-000025793

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000025793) never changes.

Identity and time

Publication numberOT-2026-000025793 · never reused
Internal UUID01a0ae71-a83e-7d4b-9f26-79cc5d9d8ce0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025793
StatusPUBLIC

Content hashes

Canonical text52f4e2c78d1739381270fac7fb585dd975ac72a6cfd5c95bf33a8cf1eccd4794
Markdown940dd523d6b37ab089ab5d47574f1d9f8d0f2fd5892facd1572c2c4233f238f9
PDF
Publication page683617c3ca34d0cdaf5ddf8b70962586929147b607563919a06bcae1cc44d0ea
Manifest861b31fc01a868231e05b1c441b59568a27606754008899eaef6d7794b0a524c

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
SignaturesONWapILcn3TLZvw/U9oIqq2FBaf3W1B0EUjRu98vnJoLTPH1cI7s+KuEt36DHkmyDcoTQ/ufOnbvYBsk6XLDw==
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

2026-09-17T11:45:59.934402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025793
observed 683617c3ca34d0cdaf5ddf8b70962586...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:59.915408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025793/manifest.json
observed 861b31fc01a868231e05b1c441b59568...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:59.897426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025793/publication.md
observed 940dd523d6b37ab089ab5d47574f1d9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:59.881078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025793/publication.txt
observed 52f4e2c78d1739381270fac7fb585dd9...
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.