OpenTechnical

OT-2026-000067138

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000067138) never changes.

Identity and time

Publication numberOT-2026-000067138 · never reused
Internal UUID01a0ae8f-14ff-79db-a995-ab0227b019d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067138
StatusPUBLIC

Content hashes

Canonical texted432c9bb950051d3caf46963522c84b4fce06420daf1a84d5630ebd9858a3c5
Markdown17b6e4c783e7306b6fc451d424913015e060fbe57154937bbdc76022b2ee9db9
PDF
Publication pagecd19d2b1d8be9866ffb79f9bda09411aa5da1c7f656f4b255b524145744b2acd
Manifest72e3cc928c1f0588aacb7581d2fc39293c0da478839137cc1655c84ac37a3dcf

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
Signatureq6ztX0ep+4jRDXSaIFw0kuj4yIioaiAKs5Png1lJzvQfresJIjWxMajSuB+qqKIqHhqoRsI24zJYNVliz3ixAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:32:24.778425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067138
observed cd19d2b1d8be9866ffb79f9bda09411a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:24.760929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067138/manifest.json
observed 72e3cc928c1f0588aacb7581d2fc3929...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:24.745041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067138/publication.md
observed 17b6e4c783e7306b6fc451d424913015...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:24.728730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067138/publication.txt
observed ed432c9bb950051d3caf46963522c84b...
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.