OpenTechnical

OT-2026-000064397

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, vented after 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-2026-000064397) never changes.

Identity and time

Publication numberOT-2026-000064397 · never reused
Internal UUID01a0ae8d-a461-7ba0-8351-db6176846375 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064397
StatusPUBLIC

Content hashes

Canonical text4f8dad26b105671879f3732eee775305f2718fbebf6c9307db839843090c329b
Markdown53e09b18f17adec7d4e1efb7cfb2eb1c27029f1225969a36c125fb3dc9d66924
PDF
Publication page4e15ad8788e8b629b3173999bf9ec809249c61f9137dbbc2d50dd2379187775d
Manifest695ff1f6eb03c792f24f70ef8cb4a6e731488730776d97db3044ba678440422d

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
Signature+EYX3Ng8bA8yKq7K42a9Sc5CFzjAk7K02Wg0UIdZVMRwotlaoXC1Efyr0yg4+Y+pqXgaVEVb7u7joJdEyvedAw==
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

2026-09-17T10:36:34.324500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064397
observed 4e15ad8788e8b629b3173999bf9ec809...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:34.304291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064397/manifest.json
observed 695ff1f6eb03c792f24f70ef8cb4a6e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:34.286374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064397/publication.md
observed 53e09b18f17adec7d4e1efb7cfb2eb1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:34.269721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064397/publication.txt
observed 4f8dad26b105671879f3732eee775305...
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.