OpenTechnical

OT-2026-000090001

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000090001) never changes.

Identity and time

Publication numberOT-2026-000090001 · never reused
Internal UUID01a0ae9c-428e-721f-8ef0-e1ca6816a6a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090001
StatusPUBLIC

Content hashes

Canonical text06c6cfb1cd573b9362ee1d06885dbfe1bed8252c4fe38c74fd8730d8a81648db
Markdown87a61dc1dc5b2d9fd0c677b2c6a9c014c2f67e2e77ee93e1afdbb3c91662312b
PDF
Publication pagea948384ada306fb796d10a4da33272a69c7c1ca59c0074e87aa2a1959aa37dfb
Manifestaf7c54e12d4a5b96981994240147507615efb6d5084b61dfb108b97c422428fe

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
SignatureHkfHdIpeZnjgVFdV7s+cSGHSIhQ6Bk14bILEz7aAXZ65VwFLsJS5pUheq8H5W2ggjZQvVl/NjeUErUPt2jZGBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:45:23.518360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090001
observed a948384ada306fb796d10a4da33272a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:23.499050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090001/manifest.json
observed af7c54e12d4a5b969819942401475076...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:23.479457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090001/publication.md
observed 87a61dc1dc5b2d9fd0c677b2c6a9c014...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:23.461822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090001/publication.txt
observed 06c6cfb1cd573b9362ee1d06885dbfe1...
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.