OpenTechnical

OT-2026-000038611

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, supply line 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-2026-000038611) never changes.

Identity and time

Publication numberOT-2026-000038611 · never reused
Internal UUID01a0ae78-2d54-763b-b80e-9effdb6f31ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038611
StatusPUBLIC

Content hashes

Canonical textec9101f31a7ec84a930836a1786c796c1235b380210a4cdf417d56addf34b82f
Markdowna549d36748b96c06ff56e44291a296162abb363e02b2df9928680af093eefdbc
PDF
Publication page8e48eb1a76866a03e3a0c78eb3141e35896f48e671ddb49b27d2a2df9eda8c63
Manifesta327706d6f6ac26debed75f5898df8f0cb6910442e9edc76bf64fb05ac29c5b7

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
SignatureDM3h4sxkIjlaR71ybkFfUcIqh1b20EYim/JhxLgyRXIcUx2/MmJic7XrZTwV4vs9tlpDcJqDaRfOXaFhL8dJAA==
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

2026-09-17T11:22:54.302490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038611
observed 8e48eb1a76866a03e3a0c78eb3141e35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:54.279844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038611/manifest.json
observed a327706d6f6ac26debed75f5898df8f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:54.259613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038611/publication.md
observed a549d36748b96c06ff56e44291a29616...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:54.241442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038611/publication.txt
observed ec9101f31a7ec84a930836a1786c796c...
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.