OpenTechnical

OT-2026-000047401

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000047401) never changes.

Identity and time

Publication numberOT-2026-000047401 · never reused
Internal UUID01a0ae7f-3e57-7fdf-bdac-335dd93393fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047401
StatusPUBLIC

Content hashes

Canonical text2284ab7adf66b7f250fe98dc9ccac5a3291b815a748ccb8f8218cee54bc47436
Markdown98bf736b501bac421a3ec436a72759d081dac52203cb76b095703dc749260e0b
PDF
Publication page6af67f76baadf252b9622b3a24a9aef55192855af3ce1a28c5039fb44314942e
Manifest3590365995e8635718c7aa133a26791ebf903f33b3b48269c70f10cfa20e5a06

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
SignaturekqpvJZJ/+j9rdUPaQ7ARcs71Q31mDAquksBqDeipBW+hKV3BpYzMNKFRO21Z1p1/k17hbXprTQ9RZYynyw3DDA==
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

2026-09-17T11:06:24.845814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047401
observed 6af67f76baadf252b9622b3a24a9aef5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:24.827527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047401/manifest.json
observed 3590365995e8635718c7aa133a26791e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:24.810607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047401/publication.md
observed 98bf736b501bac421a3ec436a72759d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:24.793880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047401/publication.txt
observed 2284ab7adf66b7f250fe98dc9ccac5a3...
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.