OpenTechnical

OT-2026-000025777

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000025777) never changes.

Identity and time

Publication numberOT-2026-000025777 · never reused
Internal UUID01a0ae71-a83e-7aca-a59d-b083f2fed3e6 · 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-2026-000025777
StatusPUBLIC

Content hashes

Canonical text51d7b746267990fe036ff5b5e3d2c481aa61494ea949fcf3b1c5d7048a18a0e8
Markdown05049a89300bafcfc385c17ed7b60cd5a7379641562e3923fc6a93dbc50691f0
PDF
Publication pagea5551c13618c47d0de41a05956e4e8d2a9274342a7b3e5993716c1fad27902a6
Manifestdc214c83309e9a0f04239da88c3903b1d4a9ac54f9c985d49c414bd1a6c1b7de

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
SignatureWOVf7PcY4Qd8sLUD3Ib9pIFNEYIFB31eS23/RgxTzZ3umnHldj7iutp2xhaYmL6DxWnS0XmhwKcMPyMFWxTTAw==
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

2026-09-17T11:45:58.712216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025777
observed a5551c13618c47d0de41a05956e4e8d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:58.693105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025777/manifest.json
observed dc214c83309e9a0f04239da88c3903b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:58.674339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025777/publication.md
observed 05049a89300bafcfc385c17ed7b60cd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:58.656060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025777/publication.txt
observed 51d7b746267990fe036ff5b5e3d2c481...
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.