OpenTechnical

OT-2026-000088887

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000088887) never changes.

Identity and time

Publication numberOT-2026-000088887 · never reused
Internal UUID01a0ae9b-8f11-7540-9636-94eaecf5e1c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088887
StatusPUBLIC

Content hashes

Canonical text91d2f20540793a6775fe6f2a7d413b51dc47b7527516bf1edcf152a6408b38e8
Markdown76b55a79bf9390a2005268f7ea51d5e4cef54ea8c497730630ca233ff773da3c
PDF
Publication page78174dfe5c3ba91adc1954c6a36618cd8a3ce853ae646299ce5d8dcdb2a8f710
Manifest8cf42f611f661cbb76f555b5529092b0f08bc2c5e2ab0d051b5d2e660c9e635b

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
SignatureV4t+l+sHfVSl9JVqqf5Ye83TNM7y7f4aSc4osYiJWkB1cLnn3jZSkdbfJmftI4dGeGgJQHHYv50QD/YpN/iaAw==
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

2026-09-17T09:48:17.227666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088887
observed 78174dfe5c3ba91adc1954c6a36618cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:17.209075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088887/manifest.json
observed 8cf42f611f661cbb76f555b5529092b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:17.191091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088887/publication.md
observed 76b55a79bf9390a2005268f7ea51d5e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:17.173521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088887/publication.txt
observed 91d2f20540793a6775fe6f2a7d413b51...
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.