OpenTechnical

OT-2026-000040213

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000040213) never changes.

Identity and time

Publication numberOT-2026-000040213 · never reused
Internal UUID01a0ae79-26ff-78f0-8c12-c8a7db5b9f4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040213
StatusPUBLIC

Content hashes

Canonical text65470637eef293c4adf792143ffb6af2fe9446bf64490abb6076a66356084362
Markdowne3ecd297052e6fc88c73f68e7bd87a14551557359555193d6bfc062ca412466b
PDF
Publication pagee455d2605e9187c36372e491d59adee5fdc2940866f0f05813667c6b65e416a6
Manifest849518c01746cb4a3bb044dd97aa4bc24e07604ca7ba12a241e3c516c917c90b

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
Signaturet9OSgVbB99/Oqske6lza0JgH6mFfGxS2SY9vdOQvr1F1R4Jw3+UoarEjYZOu3GRKzbT5nUunv7UASY+PXxEBAg==
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

2026-09-17T11:19:05.924497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040213
observed e455d2605e9187c36372e491d59adee5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:05.907214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040213/manifest.json
observed 849518c01746cb4a3bb044dd97aa4bc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:05.867847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040213/publication.md
observed e3ecd297052e6fc88c73f68e7bd87a14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:05.826311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040213/publication.txt
observed 65470637eef293c4adf792143ffb6af2...
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.