OpenTechnical

OT-2026-000022552

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000022552) never changes.

Identity and time

Publication numberOT-2026-000022552 · never reused
Internal UUID01a0ae6f-f4ff-7778-8fbc-62d1b0055d0b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022552
StatusPUBLIC

Content hashes

Canonical text41f0e3ee355b73a2dd0ef076e5e653df1e21d3a2ca79451e3268c275fae217a6
Markdown65e69c2e7497dbdfc36ab2ce7774ff7720f69819d9b7f1238d6aea136c0d9976
PDF
Publication page3ee4f1e29805035dfa8626adbbf97a4a08235965571cc63bd1d0d636cdeae660
Manifest41205a67626d3eec00dad71330e1252ae4d6491333959e40cfa2ff12e9fb4a62

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
Signaturej8PS6q/K5bJZWx7xSro8cah4TT3VVTpqwlqdEQvm6/X/eSOGBt2fYd5Z1PvnBsc3xtDHfM+s8gcN/devYcDBCQ==
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

2026-09-17T11:53:59.340020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022552
observed 3ee4f1e29805035dfa8626adbbf97a4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:59.323669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022552/manifest.json
observed 41205a67626d3eec00dad71330e1252a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:59.308142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022552/publication.md
observed 65e69c2e7497dbdfc36ab2ce7774ff77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:59.291851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022552/publication.txt
observed 41f0e3ee355b73a2dd0ef076e5e653df...
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.