OpenTechnical

OT-2026-000038125

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000038125) never changes.

Identity and time

Publication numberOT-2026-000038125 · never reused
Internal UUID01a0ae77-f88b-79ab-a56e-d68ea641fad4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038125
StatusPUBLIC

Content hashes

Canonical texte122d3b44549a5b57b4072dcd821113863ceaa3f77b93a1657086ba451d12d6e
Markdownff04c5defe8c43b04ff11d45a1d9e19098fbfbecc12ebba3bfffa1646aea90b6
PDF
Publication page66f5c864660d8f636262ff9334ceb2a1b071cac03f086822febba8cfb6f83ea3
Manifest88ffd7f170c3f6fe692a71082f801191043002ade88b0d17b1e04ab288962d4c

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
Signature12oOEi3En4VcXs2TvdgwODI7pabe+fzlsc0oVk0p+CTAx9F7RuAyUSZQpHm4Llzvn5zezxyx3xCAvYo5rtZ8Aw==
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

2026-09-17T11:23:28.077637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038125
observed 66f5c864660d8f636262ff9334ceb2a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:28.059992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038125/manifest.json
observed 88ffd7f170c3f6fe692a71082f801191...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:28.042879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038125/publication.md
observed ff04c5defe8c43b04ff11d45a1d9e190...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:28.026434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038125/publication.txt
observed e122d3b44549a5b57b4072dcd8211138...
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.