OpenTechnical

OT-2026-000067815

Publication integrity record

Two cup vacuum gripper, two zone face, two 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-2026-000067815) never changes.

Identity and time

Publication numberOT-2026-000067815 · never reused
Internal UUID01a0ae8f-c4fb-7f5f-990d-5ffc6c5477c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067815
StatusPUBLIC

Content hashes

Canonical text495b49579070c372017c7cb05804bec7c5c50f5b42c04b664dc4a5bb6e02d6c8
Markdownbb620c3f3e64a986e28f2c812cdb7ad6288935ee94384b55314053d83ae167d1
PDF
Publication pagec3ca61eea9b741d4e79529a314a539b48759d69cd18b46f8b5fceb58377476b9
Manifest2a3dccf97daa422ee69a2bc301384e143c2dca7ef62b4a20055945246fe24681

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
SignatureLvqZBV7frv1+CeiTn7UBsYDCRyhQuwmg7kHZzGGeEhJhdnXnIQqrcf5/zyaLVtMimdG6pSR7i8LF5499GWepDg==
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

2026-09-17T10:30:03.721436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067815
observed c3ca61eea9b741d4e79529a314a539b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:03.703906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067815/manifest.json
observed 2a3dccf97daa422ee69a2bc301384e14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:03.684071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067815/publication.md
observed bb620c3f3e64a986e28f2c812cdb7ad6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:03.665866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067815/publication.txt
observed 495b49579070c372017c7cb05804bec7...
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.