OpenTechnical

OT-2026-000030804

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, sustained blow-off before set-down, on a tool changer

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-2026-000030804) never changes.

Identity and time

Publication numberOT-2026-000030804 · never reused
Internal UUID01a0ae74-3fb5-7cc1-9065-e27028aacd73 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030804
StatusPUBLIC

Content hashes

Canonical textd1270a4d4cf3f10da244ebe2acffca3ca1546c72148d105ccaf4c4de9eb59ab3
Markdown91fd987b7836808d3659b9e4a6939669fdcfc7e14366d961d1884441d0bc46bc
PDF
Publication pagee9c3737378dde1483b12ebaa6806ce9f8879dd62ca06c541e7844f7edba9993b
Manifest71927d50dbf380a76a718cadc9f3571c269516dab1cc3b7cc076685217f2de74

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
SignaturefeBqqYJ2x1M7V5XJiBrrWSILws8n5XyVWKH+Bva897lf+4LPEkrBNAxmngwwSRXMNDuXXPrxHOUklTf8LwxnCA==
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

2026-09-17T11:36:46.575762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030804
observed e9c3737378dde1483b12ebaa6806ce9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:46.557193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030804/manifest.json
observed 71927d50dbf380a76a718cadc9f3571c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:46.539250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030804/publication.md
observed 91fd987b7836808d3659b9e4a6939669...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:46.515865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030804/publication.txt
observed d1270a4d4cf3f10da244ebe2acffca3c...
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.