OpenTechnical

OT-2026-000022258

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000022258) never changes.

Identity and time

Publication numberOT-2026-000022258 · never reused
Internal UUID01a0ae6f-f4fc-760e-bae8-db1c69949ea8 · 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-2026-000022258
StatusPUBLIC

Content hashes

Canonical text28dc886aadde149cb9931929f3e04f9cc709d75846b6589c3df42dafacdf75a9
Markdown5d227ac2ecff0780570e4a530cd3adbae4d249969ec848c8b6d195f825f26866
PDF
Publication page0da79f718362a37825a9e5cacea70ea1f3b0c4625dece46da2ac7ea7510d7b5e
Manifestd76bec4c3e7de920051be2f4fe958af138e0fcd2ba7cc92e4ee603d89ea9f7e7

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
SignatureCNI8DxP2lXceTyTIwqKVnMoooW0cLSAtihfRCAgzS1wZWpiVrcyoKjr3DwEoeW5PUxTHP7OCVltmWfedRTANBA==
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

2026-09-17T11:53:03.353477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022258
observed 0da79f718362a37825a9e5cacea70ea1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:03.333876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022258/manifest.json
observed d76bec4c3e7de920051be2f4fe958af1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:03.313598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022258/publication.md
observed 5d227ac2ecff0780570e4a530cd3adba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:03.293322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022258/publication.txt
observed 28dc886aadde149cb9931929f3e04f9c...
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.