OpenTechnical

OT-2026-000025765

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000025765) never changes.

Identity and time

Publication numberOT-2026-000025765 · never reused
Internal UUID01a0ae71-a83d-71d9-9d57-dd91a4e015c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025765
StatusPUBLIC

Content hashes

Canonical text00cc1032a6678aa2b2fcd07c9f5780f3360898ec20d55300b8faff7d598f7ee6
Markdown68b11d899b8d84e5f51f090cc90d0af161544a7613de49cc02e8b9903f1bfe6f
PDF
Publication page38aec9ca5805e8d91deb1c9fc9be38f2d5eb244438b5763188fca266a569fd8e
Manifest3b70db92b85af009a7fbcb3f15a53854b54e7dfc9117f376423b192ff287b97e

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
Signature54aA1rPa+ccLzX0R/FMOcCXeRb05dSzXZRdG11/YCzZOKGxxWHHJq4B69j2gcsJR/8A3bihT3TgIJYS71DCTAA==
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

2026-09-17T11:45:57.931313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025765
observed 38aec9ca5805e8d91deb1c9fc9be38f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:57.914126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025765/manifest.json
observed 3b70db92b85af009a7fbcb3f15a53854...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:57.897583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025765/publication.md
observed 68b11d899b8d84e5f51f090cc90d0af1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:57.879075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025765/publication.txt
observed 00cc1032a6678aa2b2fcd07c9f5780f3...
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.