OpenTechnical

OT-2026-000050933

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000050933) never changes.

Identity and time

Publication numberOT-2026-000050933 · never reused
Internal UUID01a0ae82-c7b3-743b-b36b-8b6db6a04e83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050933
StatusPUBLIC

Content hashes

Canonical textabdba1ee8eabafd3b8671b107c93a1f95498730035438c300e1c8954bbff6392
Markdown60a1c01f0e3145784862a3f503f39c760441ba52d87b93bcf7f5f027ea7d16e0
PDF
Publication pagefd04050b1e8d0231734e1ce78d9b7d61002cbba9b702b74561e3a4d8f6d86697
Manifest35e8aa4a95a7ed071eb9e7dff83aea8cefa803e23e16d63d5e47e4ca134d555e

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
SignatureYqVUu9men/SCJhi1Jtno8pVYz5Li/qiD0r+U0hSpGEfb1fa3ijvRL+TBBtWwIwZFtBnApOQNN9w+sfCsjIceCA==
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

2026-09-17T11:00:41.862517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050933
observed fd04050b1e8d0231734e1ce78d9b7d61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:41.862484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050933
observed fd04050b1e8d0231734e1ce78d9b7d61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:41.833159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050933/manifest.json
observed 35e8aa4a95a7ed071eb9e7dff83aea8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:41.832518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050933/manifest.json
observed 35e8aa4a95a7ed071eb9e7dff83aea8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:41.812162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050933/publication.md
observed 60a1c01f0e3145784862a3f503f39c76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:41.808999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050933/publication.md
observed 60a1c01f0e3145784862a3f503f39c76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:41.786591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050933/publication.txt
observed abdba1ee8eabafd3b8671b107c93a1f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:41.785614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050933/publication.txt
observed abdba1ee8eabafd3b8671b107c93a1f9...
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.