OpenTechnical

OT-2026-000067188

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000067188) never changes.

Identity and time

Publication numberOT-2026-000067188 · never reused
Internal UUID01a0ae8f-14ff-726e-a08b-aac9ee5ca5ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067188
StatusPUBLIC

Content hashes

Canonical textae009a34a312e0ed06e148eac6e2ee940ddbf0c8445ab90d32e0d2310426f0a8
Markdownfa4889d13a9d2220bf751e2929a7efa26b3080d2c49c92d4d65414839c592bc2
PDF
Publication pagec371dd6d23bf877120516ede3c3b4abca1b463aab16be83111f815c400026f5e
Manifest25e4773df38fcead82eb8d8ccddc2829347b3930227404085340e2bbfb128af7

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
Signatureynil79qxtr3BVzkLQxA7wbjYAn93yGlCjdP2zWwiTc9m/3lJsfIZ9oXZ0eIFcCNeh73FT6yVjAE/P+mP5mYmBw==
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

2026-09-17T10:32:28.387773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067188
observed c371dd6d23bf877120516ede3c3b4abc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:28.371590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067188/manifest.json
observed 25e4773df38fcead82eb8d8ccddc2829...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:28.354122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067188/publication.md
observed fa4889d13a9d2220bf751e2929a7efa2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:28.337329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067188/publication.txt
observed ae009a34a312e0ed06e148eac6e2ee94...
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.