OpenTechnical

OT-2026-000006162

Publication integrity record

Vacuum cup gripper, two zone face, three outlet manifold, pump fed, contact triggered, rubber cups

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-2026-000006162) never changes.

Identity and time

Publication numberOT-2026-000006162 · never reused
Internal UUID01a0a951-70e9-7d7e-8a15-b784ac332523 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:24:41.964314Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006162
StatusPUBLIC

Content hashes

Canonical text1ada11214c2f05d5754c9660459f97780d074502d8b7888ef0b285e718bc92a8
Markdown859ba9bc605a1aa14109d56396193eafc8c9415ae8a36d1f484606fdf47a39a7
PDF
Publication page2ebe3551303894ca25d30c2dc7f452bc56047dd62fc3075daeba809e8dab1a05
Manifest7cb61aa0ae419d3eb714c93d24427f1aaf1d759f10cc291e041e19c4365d3797

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
SignatureTcQXCs+bijU76ZbK9mfMRIrAUHPmeK0RvWNy5QJrOITCaZhAozFX+32/GEmgkT4Ds5xG6mDz4XEbz8QaRnAaAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:20.638316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006162
observed 2ebe3551303894ca25d30c2dc7f452bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:20.624170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006162/manifest.json
observed 7cb61aa0ae419d3eb714c93d24427f1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:20.497045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006162/publication.md
observed 859ba9bc605a1aa14109d56396193eaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:20.481988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006162/publication.txt
observed 1ada11214c2f05d5754c9660459f9778...
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.