OpenTechnical

OT-2026-000029355

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three 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-2026-000029355) never changes.

Identity and time

Publication numberOT-2026-000029355 · never reused
Internal UUID01a0ae73-5e20-7f38-9af8-a6a74ed9cafe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029355
StatusPUBLIC

Content hashes

Canonical text23becb907113ad6253be33c63846d8ff92c52e01edc1ae7b991170a4f77f8ba5
Markdown5114c560391ffd33d080e9668f9e7b284243935878d8da771d07a3ba6e7685ac
PDF
Publication pagee77104da72aa8cf66e189dcdc50677c1aa732a42bc29317e4ee63918feee2e70
Manifest3909f32adef54213c7dd673eebf7f5622cef1d18ed45ac2c67bd3d7fccd6fdef

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
SignatureEv01OsTKR7sVYrb3Louo3J7C3btj+jwGUUFfFX5afpBZEdB75NMKRfv8FaPkyd6TrRBpBdWzTC5E9LQ3W/CNAA==
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

2026-09-17T11:38:54.664847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029355
observed e77104da72aa8cf66e189dcdc50677c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:54.644584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029355/manifest.json
observed 3909f32adef54213c7dd673eebf7f562...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:54.625970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029355/publication.md
observed 5114c560391ffd33d080e9668f9e7b28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:54.606353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029355/publication.txt
observed 23becb907113ad6253be33c63846d8ff...
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.