OpenTechnical

OT-2026-000030646

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off before 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-2026-000030646) never changes.

Identity and time

Publication numberOT-2026-000030646 · never reused
Internal UUID01a0ae74-3fb3-744a-80ba-c4c091ccef1e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030646
StatusPUBLIC

Content hashes

Canonical text0eb6d2149a83d90d39ffbc91a08762ca23ca22d67e5c68cec4e989d2a86549ab
Markdown4167b8c5fe928eab348763639f00d65199228295d45eca08067671b3efe07b58
PDF
Publication page17170aa537666e50775023b78aab025a5e08d5407817fdeb9a925fd68fdcd35f
Manifeste34ec67df32d450b52c5c1c5e3aba1ff2e68bb27229241a617cdb97cd7f71bcc

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
SignatureN5e8a1UIuA9OF6T6Np7SNfyg2bZLvgNbYgjtCYZ1UGNpylZ2dyHJ8ujMJqvR6WdJdr0BByXGCYAaM1LuvwSxCg==
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

2026-09-17T11:36:31.533017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030646
observed 17170aa537666e50775023b78aab025a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:31.514172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030646/manifest.json
observed e34ec67df32d450b52c5c1c5e3aba1ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:31.493305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030646/publication.md
observed 4167b8c5fe928eab348763639f00d651...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:31.474349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030646/publication.txt
observed 0eb6d2149a83d90d39ffbc91a08762ca...
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.