OpenTechnical

OT-2026-000025552

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold 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-2026-000025552) never changes.

Identity and time

Publication numberOT-2026-000025552 · never reused
Internal UUID01a0ae71-5fa8-7ab1-8305-674598248928 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025552
StatusPUBLIC

Content hashes

Canonical textd8b157663f1d2d0d264b6430c9809c0a3be4a493efbb10bf0ee65c0e34facac8
Markdown33c88011853a05031289703a8b3ad0de2a37ad80b2dda0e91bdde5136c0b6b09
PDF
Publication page59f31c09148d5ba3620cb207523beca6b36c1df3511345868fc4bc529b1e5ea6
Manifest775807ae5bca59f221e670dcd63264d9c3e906891189153b58aca740857e287d

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
SignatureySSDW+MfAvDz0oi69wmP7JaDwk27TpPJUYbFrxzXsyF7Dabl4IUdYWqRDxiMSQ2UVFJoolOhBOelxmdUxaGECw==
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

2026-09-17T11:47:42.157562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025552
observed 59f31c09148d5ba3620cb207523beca6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:42.137196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025552/manifest.json
observed 775807ae5bca59f221e670dcd63264d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:42.117453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025552/publication.md
observed 33c88011853a05031289703a8b3ad0de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:42.098276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025552/publication.txt
observed d8b157663f1d2d0d264b6430c9809c0a...
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.