OpenTechnical

OT-2026-000072660

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000072660) never changes.

Identity and time

Publication numberOT-2026-000072660 · never reused
Internal UUID01a0ae92-89d9-70d1-be6f-7577a1c70267 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072660
StatusPUBLIC

Content hashes

Canonical texta0bd547b637009dc216dd1ce188fd9d5fdff021168d6bab3612d44de72ed9eed
Markdown6a1b8572a3d7828c88c89184cc391f3077807238ad7b92eb7e3a0ce14d977355
PDF
Publication page4dc413fbf32d9c3fb42af07166aa01af738468d89ba79e6cc6ffc3750f4188af
Manifest1c4bac7b88e508635ac307444062ef32a7592c8ea1936299fe7b248e0ad552f9

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
Signature11QnndlYoJadEJYcOutxO9BzhnouhY+SETXpJoEoFW2a4GCBhQ97+fPun8RjZq+pFuJ8HQZ+apjhqetm8wj0CA==
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

2026-09-17T10:22:31.597850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072660
observed 4dc413fbf32d9c3fb42af07166aa01af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:31.581283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072660/manifest.json
observed 1c4bac7b88e508635ac307444062ef32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:31.564434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072660/publication.md
observed 6a1b8572a3d7828c88c89184cc391f30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:31.547052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072660/publication.txt
observed a0bd547b637009dc216dd1ce188fd9d5...
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.