OpenTechnical

OT-2026-000082385

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, sustained 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-2026-000082385) never changes.

Identity and time

Publication numberOT-2026-000082385 · never reused
Internal UUID01a0ae97-4d96-7775-a94f-409155e6fced · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082385
StatusPUBLIC

Content hashes

Canonical textc29321a4be45539ed6409ecf413d54fe842cf6c7a917dbc255b99b2189124147
Markdown1eb90b210b28deaa345000451599402407ad526aec9b824a6c1ae263c675b441
PDF
Publication page4d34300a5e244b23fe0fe2a8a41912774862cddf5dd0b6447a36620f5d6978c4
Manifest2c7c3f5abed7ba83a9961756455723f8230a0fc47263c4aa5cd3b1c7f8e9c633

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
SignaturenHqWsd5TzMKm1IrkACuy/ytnVRJ2DiNh+Rp3QzpQgK2YcTki37siXeBtSRMNLFy6iFPcYc6VRtZ0tzE0OLrJDA==
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

2026-09-17T09:59:15.959426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082385
observed 4d34300a5e244b23fe0fe2a8a4191277...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:15.940068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082385/manifest.json
observed 2c7c3f5abed7ba83a9961756455723f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:15.922752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082385/publication.md
observed 1eb90b210b28deaa3450004515994024...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:15.905410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082385/publication.txt
observed c29321a4be45539ed6409ecf413d54fe...
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.