OpenTechnical

OT-2026-000023955

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, pulsed blow-off before set-down

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-2026-000023955) never changes.

Identity and time

Publication numberOT-2026-000023955 · never reused
Internal UUID01a0ae70-aed6-71d1-aeee-8afc908e2f94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023955
StatusPUBLIC

Content hashes

Canonical text5ebe4bd7a647501691b6cf53116a6da61b82c1a13308057db84977c667169d47
Markdown69d2d78794ab439b7efff335a7d98650d98cf2933375328a87c0085250df2a10
PDF
Publication page728effeafbd1639f1297db81e66da0db5565111dd41b7ad931aaba790653394b
Manifest252f65552f7581321520e4256834ac4cc312fe405b87441724a85582b75b2938

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
SignatureDGARKi0wnB2cQk0HZdAC/HDCG6w34QmW6pPn2pJ5O3kHw0pbIo3oRzzKlXeh5jwqWFW3QFnNPI7F2dnPuRISAw==
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

2026-09-17T11:50:42.335012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023955
observed 728effeafbd1639f1297db81e66da0db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:42.315933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023955/manifest.json
observed 252f65552f7581321520e4256834ac4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:42.274683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023955/publication.md
observed 69d2d78794ab439b7efff335a7d98650...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:42.244803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023955/publication.txt
observed 5ebe4bd7a647501691b6cf53116a6da6...
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.