OpenTechnical

OT-2026-000041605

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, sustained blow-off after 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-2026-000041605) never changes.

Identity and time

Publication numberOT-2026-000041605 · never reused
Internal UUID01a0ae79-e8a0-782f-b3b1-6701aa55b658 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041605
StatusPUBLIC

Content hashes

Canonical textd45248cd180e963f49cb0f3fd05d61004731f0f583bae2ef157586b306cf6a23
Markdown22e59ec4cb1a5e9fc9b9347dd322e0dbc30f6ff6ddf0664a9ba616f86ac7efc0
PDF
Publication page458966de3ef50912aed945adb51549e0827693c4650b830cd6b6393978322eee
Manifeste1339980880c8195fe2b09f518a126cc257f353cfb177f796454b974b8a14364

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
SignaturesYWZDZrQqCjj+KrWlFY2A3OODVuRnWiudMLVahFkeuho0ghDUjUOmE155N7wSFCCIePSNZ+ImDmK3Iqq0evQDQ==
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

2026-09-17T11:16:23.838766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041605
observed 458966de3ef50912aed945adb51549e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:23.821562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041605/manifest.json
observed e1339980880c8195fe2b09f518a126cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:23.805477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041605/publication.md
observed 22e59ec4cb1a5e9fc9b9347dd322e0db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:23.787744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041605/publication.txt
observed d45248cd180e963f49cb0f3fd05d6100...
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.