OpenTechnical

OT-2026-000023394

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000023394) never changes.

Identity and time

Publication numberOT-2026-000023394 · never reused
Internal UUID01a0ae70-7268-7799-a424-c9b2331bd6b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023394
StatusPUBLIC

Content hashes

Canonical text90e42250a1eb081daba829835fc91a320d7f546d8117edc36b2e52ff406e9fe5
Markdowne202e71ce4cb9d4d8c8893db71b299c3a8ab87de144937b0fb3501610a0ee781
PDF
Publication page494efd9739aa96f50920f815f31c3a127212fadae31d0f79264759af9d9e165b
Manifest30ed1ac01eaca6ca665ed56663deaa57d9d56aeb5d3a57b1848c5f3888e765ea

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
Signature+IavCGnDRxcMRiA/qHjvpa9AG3IN1BC7T/ARUVcacwmBbHwKl0RqxewbY6wBvhSm55xhLp1iICVjWt6GGdEBBg==
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

2026-09-17T11:51:35.842156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023394
observed 494efd9739aa96f50920f815f31c3a12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:35.823536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023394/manifest.json
observed 30ed1ac01eaca6ca665ed56663deaa57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:35.801843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023394/publication.md
observed e202e71ce4cb9d4d8c8893db71b299c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:35.785651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023394/publication.txt
observed 90e42250a1eb081daba829835fc91a32...
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.