OpenTechnical

OT-2026-000005051

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, six outlet manifold, ejector fed, pressure verified

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-2026-000005051) never changes.

Identity and time

Publication numberOT-2026-000005051 · never reused
Internal UUID01a0a92c-4a52-7508-97d7-f0a960d673b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:44:07.371944Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005051
StatusPUBLIC

Content hashes

Canonical text67603e6aaed1ef65486d2b22671e50a706cb43a5ce6e0516beda4afaca7b1880
Markdown7117c17924af63756220719e2969d656f417e198d7e8ffaff457392e297ae4da
PDF
Publication pagef4aae88f9b75c8c3a7e5d8c4058263162ecbc29ccbbc86e5f0cdfc8bc43c2d6a
Manifest76b9b5a39741a9e80a374484ff7b5cf528393aa5853caa628f59cfc6121fd4b3

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
SignatureiGK0W5U9bU18+qUiiNtMlt5igD8IroU2vFqfdiNWP52cWCUNA1kBuaFCGI5LLWL+DQmagfxTJA31fGRn7n7WBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:20.878904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005051
observed f4aae88f9b75c8c3a7e5d8c405826316...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:20.741283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005051/manifest.json
observed 76b9b5a39741a9e80a374484ff7b5cf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:20.727974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005051/publication.md
observed 7117c17924af63756220719e2969d656...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:20.714251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005051/publication.txt
observed 67603e6aaed1ef65486d2b22671e50a7...
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.