OpenTechnical

OT-2026-000030848

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off before 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-2026-000030848) never changes.

Identity and time

Publication numberOT-2026-000030848 · never reused
Internal UUID01a0ae74-3fb5-71ce-94c4-99c9008dee5c · 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-2026-000030848
StatusPUBLIC

Content hashes

Canonical text1e28b1bb9d205cc39c6c0a1f48399b3bfbe42b3722663dc17f66647851d1f487
Markdown5a9124286c61aa4a9ef9904aeadbbf13e9745956f49dfc2676635b807519f4ae
PDF
Publication pagea52a5cc23e1fbea762352df5241d2a5826e0d06d9480530666c29a38976e189a
Manifest32b29c2b2dfff057ad8b9923d43cb9604530feee93b66824c09e118dcfa5023e

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
SignaturepqNzJEdVT/58Sfb+ymQ4fnp0cRAF/LZ/GxHE2zeWaWl4eGlHQwzCVAoXdT/KvqJm0dqbFcj+MYHWL2Qa6TnXBA==
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

2026-09-17T11:36:49.459513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030848
observed a52a5cc23e1fbea762352df5241d2a58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:49.439752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030848/manifest.json
observed 32b29c2b2dfff057ad8b9923d43cb960...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:49.420097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030848/publication.md
observed 5a9124286c61aa4a9ef9904aeadbbf13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:49.400889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030848/publication.txt
observed 1e28b1bb9d205cc39c6c0a1f48399b3b...
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.