OpenTechnical

OT-2026-000041249

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000041249) never changes.

Identity and time

Publication numberOT-2026-000041249 · never reused
Internal UUID01a0ae79-b143-7948-a39f-1b1ec94202df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041249
StatusPUBLIC

Content hashes

Canonical text6c4ef50e15cb996be5591dd8fb838b613e838835d5718ebf4e287f2dfa20bd9b
Markdown760a1b757d97c6dcd6b9b6cfa576e1d3c47f1be13cd7f4b9bc056124caad3942
PDF
Publication page8184c9b74ba0ad0aec879f583b8a4d7fe9bca747a35a2e7f64159acd28d3adde
Manifestc71ecf8226c2fc56747ad41eb15e8eb0e408804645a616ae6c66e4517d2347d8

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
SignatureBIVK1a9wciaCHwDQNcdQEmTGkssRUnz54O+reQ0BIdFgbZ3gVf2Zm7HnQ7JwovkM8EIQ0FkXfgWEiIytwwmKDA==
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

2026-09-17T11:17:13.088237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041249
observed 8184c9b74ba0ad0aec879f583b8a4d7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:13.072673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041249/manifest.json
observed c71ecf8226c2fc56747ad41eb15e8eb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:13.055302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041249/publication.md
observed 760a1b757d97c6dcd6b9b6cfa576e1d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:13.038553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041249/publication.txt
observed 6c4ef50e15cb996be5591dd8fb838b61...
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.