OpenTechnical

OT-2026-000074444

Publication integrity record

Six bellows cup vacuum gripper, six 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-2026-000074444) never changes.

Identity and time

Publication numberOT-2026-000074444 · never reused
Internal UUID01a0ae93-717a-7a6f-b0a0-f47f68bdc82b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074444
StatusPUBLIC

Content hashes

Canonical textc7e8c4a02c90e77b8b681276fde6ca14ce9f1db2fd0c80a9ae3d419decd7b355
Markdown3b7450aaa5b8eab5bb5702059d8c90b3762cde6d3a5764b1f305412105e263eb
PDF
Publication pagecbe6e8031967994d974ba7e29b01294fc13461eee5b13619d94f5ba0a87c94b2
Manifest40d7f88106c4d53a6f9e887c7c48cd427438c78a910992d9973fa84166f613e2

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
SignatureRKmX3mgfY0mS7oB94txYoF3AzSQQw3GlBRPL42219/ay5PLpbIRwUokNBq6D4yA3rJOxpPhhsbVD8FotVofYCw==
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

2026-09-17T10:19:23.958467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074444
observed cbe6e8031967994d974ba7e29b01294f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:23.938794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074444/manifest.json
observed 40d7f88106c4d53a6f9e887c7c48cd42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:23.919652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074444/publication.md
observed 3b7450aaa5b8eab5bb5702059d8c90b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:23.900992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074444/publication.txt
observed c7e8c4a02c90e77b8b681276fde6ca14...
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.