OpenTechnical

OT-2026-000079285

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000079285) never changes.

Identity and time

Publication numberOT-2026-000079285 · never reused
Internal UUID01a0ae96-0b90-7bd7-9d80-79840fcd7184 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079285
StatusPUBLIC

Content hashes

Canonical text05caec2d3ad033654d704416f58278422bf739e21c33c292c54dbb7fbdac04ed
Markdown878566952d28bd882926a21d0dc7188bc5a897df79452b4d7065099cc3929ad8
PDF
Publication pagebc2d4819169dda694601752c4e6d85c324184bc5ec78d788808ad140d5b98ee1
Manifestcd886bad907bcdbb5df67cbd87fe47333987cdce89d818bb8f253dabf4d1b577

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
SignatureWxRGn1UwEGwkQ4D8aGfKiEpxPkwBQC0B+BtyQpdPqP/5JK8TnUvh1pU1p5L+iDgrAUPAXRxrPvYvD6QRFfSYBA==
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

2026-09-17T10:04:53.545506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079285
observed bc2d4819169dda694601752c4e6d85c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:53.528205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079285/manifest.json
observed cd886bad907bcdbb5df67cbd87fe4733...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:53.508591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079285/publication.md
observed 878566952d28bd882926a21d0dc7188b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:53.489939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079285/publication.txt
observed 05caec2d3ad033654d704416f5827842...
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.