OpenTechnical

OT-2026-000029226

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, 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-2026-000029226) never changes.

Identity and time

Publication numberOT-2026-000029226 · never reused
Internal UUID01a0ae73-2aa0-7cfb-a91f-4385d015b967 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029226
StatusPUBLIC

Content hashes

Canonical text97ef7612bb35eff4b7aab49640a0570d4d2d460b928bbab486bed455ee4187f4
Markdown193bf56c9b04be0264174aa13d4ff99f01c3149080ecb95d7ca10666e4d11b07
PDF
Publication page171e267b588f0c127b4aa9cfd93b50c16bb865086b4bd272c18c37d24d003cd6
Manifest431f7d3c5a7b91a17a473cd6273cc952572ea631e9d6fd0921238ba353409cc2

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
Signaturece2yPiM3lodcm1cC2yHyHGRxbPuuxzR3sW7OOn+f4CtOKEhIeCwYka4Bt+iaGdXnVAO0HA8aoilB467Kc0tzBQ==
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

2026-09-17T11:39:50.924119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029226
observed 171e267b588f0c127b4aa9cfd93b50c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:50.905799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029226/manifest.json
observed 431f7d3c5a7b91a17a473cd6273cc952...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:50.882402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029226/publication.md
observed 193bf56c9b04be0264174aa13d4ff99f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:50.856608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029226/publication.txt
observed 97ef7612bb35eff4b7aab49640a0570d...
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.