OpenTechnical

OT-2026-000007188

Publication integrity record

Porous face vacuum gripper, three outlet manifold, ejector 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-2026-000007188) never changes.

Identity and time

Publication numberOT-2026-000007188 · never reused
Internal UUID01a0a975-dffb-7421-b910-1622be708792 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:04:29.694612Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007188
StatusPUBLIC

Content hashes

Canonical text81bd35ea897c46fa7526ae18eba363b4baebd7a7af9ba773d48427d96bf1cf0e
Markdowncb95fe840c1419d6b5fbbf608f292eecc72ba1101a0d8f50071f54f253c719cb
PDF
Publication page8d42de7b512bd245c7f027dc6e2c4fd5229947fcf57b714888e7baf5b68457cb
Manifestdadc28449eefc92de2e32994144241ca80f9975d337a48e8d8f4260bcaee4885

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
SignatureckZz+PBbYVJwGhuf57Jw4zdHchYVZ0fU2a72jbygP8sCOIzFSDDzkLOd5JwILBrOWc1x5vNu/QVSFHVe8VYQCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:10:17.753394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007188
observed 8d42de7b512bd245c7f027dc6e2c4fd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:17.742028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007188/manifest.json
observed dadc28449eefc92de2e32994144241ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:17.730650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007188/publication.md
observed cb95fe840c1419d6b5fbbf608f292eec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:17.719270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007188/publication.txt
observed 81bd35ea897c46fa7526ae18eba363b4...
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.