OpenTechnical

OT-2026-000018263

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single 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-2026-000018263) never changes.

Identity and time

Publication numberOT-2026-000018263 · never reused
Internal UUID01a0ae6e-b488-751e-b375-e09f32545ff7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018263
StatusPUBLIC

Content hashes

Canonical textf8635ad7a089abfdfe07973177a57fa0cbda07f90cd5ab3e15d211a9c4a442e9
Markdown63c292377b046c8ea1d5cd8af943271410495004d0875f57b6f7dfe6b1b1a1d4
PDF
Publication pagefbbc0be71d8a69517dcc63f74546934245d77a998708af657db09a480f1f7c3a
Manifest8cd587a6ab08aeaa839be4ce650b1f2e7f6c7cc6758f201ae3d610283a167ca5

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
SignaturegRUSW3UkMzhhsooY0KBlU8Q0WMYNCkBiIMbqMXXbZmHKyfWrqqQFCQhGN2K2VrSYAAsViPDkoJJ8GJipMwrEBA==
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

2026-09-17T12:00:05.980709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018263
observed fbbc0be71d8a69517dcc63f745469342...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:05.961778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018263/manifest.json
observed 8cd587a6ab08aeaa839be4ce650b1f2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:05.938361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018263/publication.md
observed 63c292377b046c8ea1d5cd8af9432714...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:05.917643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018263/publication.txt
observed f8635ad7a089abfdfe07973177a57fa0...
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.