OpenTechnical

OT-2026-000075961

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000075961) never changes.

Identity and time

Publication numberOT-2026-000075961 · never reused
Internal UUID01a0ae94-2a00-737c-b8a9-ede19791cfcd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075961
StatusPUBLIC

Content hashes

Canonical text51fd7fada0b114063a63f786369e33af21a787c2c4fba5b0a82256adabc23467
Markdown0c22e468fa4c4e01143d5f3cfc684cec7477ba1a0dec7763321e1573de63d4c2
PDF
Publication pageb7632e0151ae1f7d0afe896313e6ee23fa43b70e6450d1698c700f43a490d16e
Manifest1f45ca0e8a539620e4dc30815382d7fb563f4e24469cdf400541ddd3e52909c2

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
SignatureLkH24vAuExXX2LNac5fJc0c9CNXnP09t8w4Rbul3shxQrGV5h5HW9Tjzc8laEKkI4h86t0v1s20jVbNloaG0Cg==
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

2026-09-17T10:20:11.966014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075961
observed b7632e0151ae1f7d0afe896313e6ee23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:11.943423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075961/manifest.json
observed 1f45ca0e8a539620e4dc30815382d7fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:11.925589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075961/publication.md
observed 0c22e468fa4c4e01143d5f3cfc684cec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:11.906812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075961/publication.txt
observed 51fd7fada0b114063a63f786369e33af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:57.967146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075961
observed b7632e0151ae1f7d0afe896313e6ee23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:57.947133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075961/manifest.json
observed 1f45ca0e8a539620e4dc30815382d7fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:57.805390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075961/publication.md
observed 0c22e468fa4c4e01143d5f3cfc684cec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:57.787017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075961/publication.txt
observed 51fd7fada0b114063a63f786369e33af...
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.