OpenTechnical

OT-2026-000066112

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after set-down

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-2026-000066112) never changes.

Identity and time

Publication numberOT-2026-000066112 · never reused
Internal UUID01a0ae8e-8dc3-7838-9bf7-9fb4de5a14ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066112
StatusPUBLIC

Content hashes

Canonical texta350ec20fd1daa90c95c4ae5a314f06b71348ff391b0b97cdf481d46c1ab5078
Markdown8d3dc2e0a30c169c9801e6c1278bb0415c6c25e554916fff4c577f045fb5e5fe
PDF
Publication page508c64a3fc945df17fde2d4f6c287d8b783152a9e857400ad703879181cec4ab
Manifest3866d1efe5e5cb2581b2a7535c3845669eefba819ecb439b67e72e105516ac4c

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
SignatureCFGrwTn+Y78XJXX9tUIv4Qv7o1GttBzj+pqFkt9uxEfNltO5SFSZEOA25eUg1XNPOJuTInMkGa0sA0Oou6zCBw==
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

2026-09-17T08:50:50.057577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066112
observed 508c64a3fc945df17fde2d4f6c287d8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:50.037998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066112/manifest.json
observed 3866d1efe5e5cb2581b2a7535c384566...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:50.018840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066112/publication.md
observed 8d3dc2e0a30c169c9801e6c1278bb041...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:49.832704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066112/publication.txt
observed a350ec20fd1daa90c95c4ae5a314f06b...
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.