OpenTechnical

OT-2026-000071734

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000071734) never changes.

Identity and time

Publication numberOT-2026-000071734 · never reused
Internal UUID01a0ae92-1e91-7b17-8ef0-9dbec40d7813 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071734
StatusPUBLIC

Content hashes

Canonical text46fc4dec10573f9f291e0dee5d34c3da537dca6d69ac5c9d838cbc74b79ceb94
Markdownad509589046a3a1db21039f5d1228cea9fa590a0a9d662a63d3ec451ecce2b39
PDF
Publication page3bc31d75f010a85e74b58409bf99c2de10bcdac38bcb6c966a738973a43dcf6d
Manifeste186f473b96d83b630cf8d81d0cfe6eb18d6ba1d8e653ac937fe89f25f2836c2

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
SignatureO9mdjCcdPk2UtF3e3jBYlXTv5EQoQQa/Cpk5/+3VhXTwTwwSc8UzkGvTZHf7UFbobuAfemqNBwiD8awm1Uz0BQ==
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

2026-09-17T10:23:53.419968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071734
observed 3bc31d75f010a85e74b58409bf99c2de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:53.402302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071734/manifest.json
observed e186f473b96d83b630cf8d81d0cfe6eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:53.384058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071734/publication.md
observed ad509589046a3a1db21039f5d1228cea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:53.366264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071734/publication.txt
observed 46fc4dec10573f9f291e0dee5d34c3da...
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.