OpenTechnical

OT-2026-000092923

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000092923) never changes.

Identity and time

Publication numberOT-2026-000092923 · never reused
Internal UUID01a0ae9e-090f-7be9-a9b2-1823f0be3a70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092923
StatusPUBLIC

Content hashes

Canonical text136194f933f8a4c14825ba586cd66eb8e1b90da0566249df40a9fbc1ac490972
Markdownc692127fb021d8222959c10114875a260ec2a9671a7548c67b8b65e5b8f8b4a1
PDF
Publication page80943ff169a4d803fba16ebe861cca56a81ee18d738ff00e02ca42737121f26a
Manifest6fd082e71d936c286dbd336dabb796c07e6db83e901ae7451647d37267d4a8a1

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
SignatureMj2OsQKJUn77VWXHQZVeZ83ZRDliSFKwoliVo8nyWS0sRNM9yfzPqxbOl16ipUTcq4kH3Pw3V4zZXd7LWT9zAw==
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

2026-09-17T09:40:02.459084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092923
observed 80943ff169a4d803fba16ebe861cca56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:02.435771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092923/manifest.json
observed 6fd082e71d936c286dbd336dabb796c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:02.416246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092923/publication.md
observed c692127fb021d8222959c10114875a26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:02.395705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092923/publication.txt
observed 136194f933f8a4c14825ba586cd66eb8...
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.