OpenTechnical

OT-2026-000038404

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000038404) never changes.

Identity and time

Publication numberOT-2026-000038404 · never reused
Internal UUID01a0ae78-2d52-7c75-a002-f1ffbfc2beb5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038404
StatusPUBLIC

Content hashes

Canonical textc5080f77b5a374504fec7c06c16f23c44e86cd90c8f0a28967ef9d772e791da1
Markdown88eb6eb52513a06691d85eb97c83d8aa8a0206c03708f76341f88e5dab28fb2a
PDF
Publication page654ea6b1875e07c973dab6591bff442415b0ae4ca58e82f35a51ca8ffa611d94
Manifest41861e8c6b26eed8fbc0372c1a05792f4144746510a13b53391a4d08d04e79ac

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
Signatureb7n+Tj82/E5t8hXYiSGo1yMGqPfWojf2Z9Er/33k027s1deanPuN8RdX00dW0DPg/ncDX8z4vKjicNk8BBFHDg==
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

2026-09-17T11:22:36.858783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038404
observed 654ea6b1875e07c973dab6591bff4424...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:36.841958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038404/manifest.json
observed 41861e8c6b26eed8fbc0372c1a05792f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:36.824945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038404/publication.md
observed 88eb6eb52513a06691d85eb97c83d8aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:36.806802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038404/publication.txt
observed c5080f77b5a374504fec7c06c16f23c4...
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.