OpenTechnical

OT-2026-000050983

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000050983) never changes.

Identity and time

Publication numberOT-2026-000050983 · never reused
Internal UUID01a0ae82-c7b4-7731-a61f-0bd8946a3c41 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050983
StatusPUBLIC

Content hashes

Canonical textd5f92c6f9ff624633fe0e2014d27b3c0529dec0c74c6bfca399745834c0ff709
Markdownefb6cf563e962d8985335d09c3ef59ff94a35bd87cd54b133001bb944f85b8f0
PDF
Publication page3d258db67209f0afdf75f7181524ba9d078c02e2c46654efc4138a166550a95c
Manifest87109a4e69eb48a8b32e6e604975ca5dbbf389818035799430036fc1bccf5889

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
SignatureiZ0+2XS33lP7wRqlg0pmG8ixcFx+LWsldUF+RVkPylZMk9n+7Dkb8VfZLrgaN3M1D+ENN/AV1XJmH4qWrUDaAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:00:52.528461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050983
observed 3d258db67209f0afdf75f7181524ba9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:52.511120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050983/manifest.json
observed 87109a4e69eb48a8b32e6e604975ca5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:52.492505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050983/publication.md
observed efb6cf563e962d8985335d09c3ef59ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:52.471770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050983/publication.txt
observed d5f92c6f9ff624633fe0e2014d27b3c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:52.450586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050983
observed 3d258db67209f0afdf75f7181524ba9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:52.432381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050983/manifest.json
observed 87109a4e69eb48a8b32e6e604975ca5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:52.414054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050983/publication.md
observed efb6cf563e962d8985335d09c3ef59ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:52.394391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050983/publication.txt
observed d5f92c6f9ff624633fe0e2014d27b3c0...
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.