OpenTechnical

OT-2026-000018939

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, 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-2026-000018939) never changes.

Identity and time

Publication numberOT-2026-000018939 · never reused
Internal UUID01a0ae6e-d522-729e-a099-c2afb1078942 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018939
StatusPUBLIC

Content hashes

Canonical textdd38fe5415bc8f3f76f51b2951387dbc5071df07777e923a5d1062148d0da1da
Markdown05d3bd0d0b21c9e3babd300350ec3e2c0241011ec73f0ac24cd558dc903a74e5
PDF
Publication pagecef884274787d60463e194fdace1481a89a904dac3ccea54a87c1fb5774e6b21
Manifestb99b9ceae3b5d60ea473bc40f4f61a37882ef49a3b19c59d8857976a7a2da559

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
Signaturej5WEPfMuwOXxUY2ZSHARfypSh3fPG0FF3TI8s1RWNDynZ9vjd1tojzBeZwnrkxYaqHN9MPOskYUVU/UjFYs/Ag==
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

2026-09-17T11:59:36.298477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018939
observed cef884274787d60463e194fdace1481a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:36.277932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018939/manifest.json
observed b99b9ceae3b5d60ea473bc40f4f61a37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:36.259797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018939/publication.md
observed 05d3bd0d0b21c9e3babd300350ec3e2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:36.225636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018939/publication.txt
observed dd38fe5415bc8f3f76f51b2951387dbc...
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.