OpenTechnical

OT-2026-000006990

Publication integrity record

Vacuum cup gripper, three outlet manifold, ejector fed, contact triggered on the face, silicone 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-2026-000006990) never changes.

Identity and time

Publication numberOT-2026-000006990 · never reused
Internal UUID01a0a96e-bff3-7e41-917e-6bc1acb96254 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:56:42.742006Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006990
StatusPUBLIC

Content hashes

Canonical text40f92923f8263c83661f1fa9da23f076b9230b9c773fa20cd79efea40eb5b18d
Markdown53ccc6366562ae32a8a56a41a9c7befd1fd58f96ef375a04b1c8bde35cef6e49
PDF
Publication page6aaa4b8110747f3790258e9cfcc9d3506edb6c0547dccab455e00626a1088bef
Manifest3525f7200172e571d86c5931d38fcda63edf6e9f7e4168505e581e9304edd55a

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
SignatureTvaL0sC4haB3bt153DD88aW25cAHBnXy15pxOa3HCAMeCqAn2fYiZhY7rwaCs8qFZ2ym6rGsL24mT+7fSXdUDw==
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

2026-09-16T09:00:14.247998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006990
observed 6aaa4b8110747f3790258e9cfcc9d350...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:14.234885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006990/manifest.json
observed 3525f7200172e571d86c5931d38fcda6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:14.221821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006990/publication.md
observed 53ccc6366562ae32a8a56a41a9c7befd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:14.209280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006990/publication.txt
observed 40f92923f8263c83661f1fa9da23f076...
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.