OpenTechnical

OT-2026-000041560

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000041560) never changes.

Identity and time

Publication numberOT-2026-000041560 · never reused
Internal UUID01a0ae79-e89f-7e10-bc9e-81d3cb6655e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041560
StatusPUBLIC

Content hashes

Canonical textce44c9047b098b36b6605d4db0307b46ef767d083cd16c290c4ee5b93da19fae
Markdown7dc7b03e0c9bc5952deefaaea622d2a808fafb12e40f8decd808b65fa7e8c60b
PDF
Publication page20d852f32ca2a84bc30f139b22243a0ce02f328351704a55c277d38f2eab7358
Manifest7b3edac4fcdb195f071f061bf6d03d2f080bac2b16b75d4e8227672b2f2dd542

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
SignaturejPtv/dQcWFQ5H4zQl6diGpvlORiVtfWCI4iJFik4B3pyweP2OqMz6mpXK8D2427a4zMHR6x3okiazagYyLrbDw==
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

2026-09-17T11:16:20.423239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041560
observed 20d852f32ca2a84bc30f139b22243a0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:20.405312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041560/manifest.json
observed 7b3edac4fcdb195f071f061bf6d03d2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:20.388752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041560/publication.md
observed 7dc7b03e0c9bc5952deefaaea622d2a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:20.370707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041560/publication.txt
observed ce44c9047b098b36b6605d4db0307b46...
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.