OpenTechnical

OT-2026-000025028

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000025028) never changes.

Identity and time

Publication numberOT-2026-000025028 · never reused
Internal UUID01a0ae71-2728-72a9-b4a0-9f019562d84a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025028
StatusPUBLIC

Content hashes

Canonical text65001f15c7c0dea20a5674222634a8df521fbe214422b0176243ab5bec8b9396
Markdown892b0476604e922c4045f090a238b6924746a7bb16122d380c3131b0ce307ee2
PDF
Publication pagee845078041168bc658cde0b4347766aa3215ba504164a3cb76256bcbda514068
Manifestf724d9573686821f6d4a305b3e4e3b12844145f4553cd405bf7c01c3569f9415

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
SignatureFTru+swnpMPQrTG0UfKgYkbJmWExpcTMf5RiN3mMXsTUKTCGpqaU9c9pa5DKzEaqeOQVw6wIR+Tn4Gs8MmsNBg==
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

2026-09-17T11:48:25.897944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025028
observed e845078041168bc658cde0b4347766aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:25.881695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025028/manifest.json
observed f724d9573686821f6d4a305b3e4e3b12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:25.863916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025028/publication.md
observed 892b0476604e922c4045f090a238b692...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:25.847116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025028/publication.txt
observed 65001f15c7c0dea20a5674222634a8df...
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.