OpenTechnical

OT-2026-000077562

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, 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-2026-000077562) never changes.

Identity and time

Publication numberOT-2026-000077562 · never reused
Internal UUID01a0ae95-2ece-7dbc-9d90-5333bd18a2c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077562
StatusPUBLIC

Content hashes

Canonical text2c1301a330e079c971e3e1dada6e3ddc94b9ba13e62eb9f4f6d654993ddca107
Markdown6ca35d95b8648f228a679e72250989c9ef515e98068c9c85f9a98df6d642ecd7
PDF
Publication pageef9caa2245c72fcec21cc8bd250a4c7938548c9046f7e70ee672db474b80e95c
Manifest24715d5c4439389589f4c30667e3f86248cadc4fa4d769ef7799f64ba0080615

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
SignatureLwob1E+ll2Gk1kswZxr2gudTbrGucNQt4x10MfqC7dDApPazmdnpW2l89KAO/OMDx86UqsoC6GIyj5aZ/Xe1Dg==
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

2026-09-17T10:07:02.477532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077562
observed ef9caa2245c72fcec21cc8bd250a4c79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:02.458712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077562/manifest.json
observed 24715d5c4439389589f4c30667e3f862...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:02.437224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077562/publication.md
observed 6ca35d95b8648f228a679e72250989c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:02.416981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077562/publication.txt
observed 2c1301a330e079c971e3e1dada6e3ddc...
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.