OpenTechnical

OT-2026-000033341

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, pulsed 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-2026-000033341) never changes.

Identity and time

Publication numberOT-2026-000033341 · never reused
Internal UUID01a0ae75-8980-7b1b-9473-bc677e5dac09 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033341
StatusPUBLIC

Content hashes

Canonical textf03e8ad9369402c4d60aefa6db6d3ca826828380cafc54efe88a5daade18b6aa
Markdown522ae56bf544b03f87cb77b506ad07164417919b6d47270a96770c84cab6ffef
PDF
Publication page4919a1b235cec3140cad8598f23a3d7d597a97a31168cc53963252dfc07bb4e1
Manifest13a77bc66cce59deace92a972645a2b7e8565dc7310780b0a5d4ddbe4a5946b4

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
SignaturebeyZ9YENAFcbq6QdDnpDxdj1oBt1YiKGQZyrv9PEmT6f6m3qkHpRKyD/dXI8g2tM+kgD6XwaSodlWUBiTmG0Bg==
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

2026-09-17T11:32:05.936546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033341
observed 4919a1b235cec3140cad8598f23a3d7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:05.917860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033341/manifest.json
observed 13a77bc66cce59deace92a972645a2b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:05.898119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033341/publication.md
observed 522ae56bf544b03f87cb77b506ad0716...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:05.875415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033341/publication.txt
observed f03e8ad9369402c4d60aefa6db6d3ca8...
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.