OpenTechnical

OT-2026-000032869

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, pulsed blow-off 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-2026-000032869) never changes.

Identity and time

Publication numberOT-2026-000032869 · never reused
Internal UUID01a0ae75-4842-7d1d-a49a-24cb76b6b231 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032869
StatusPUBLIC

Content hashes

Canonical textb5b55a5962ad48cec5080e5ae39610a64c289c67ebbac8e7838f9a28a122a7c2
Markdown50ce4d88d1f912062ec5f577f0587ce41a9191dfca9178e56d5679c589702ad1
PDF
Publication page1f6032d8e80253c1c0d30791c292d77a868390d6c28b1235ef39c2152cc9290c
Manifest64dd5e36b5ad0d6fa712b65305c6fda328baacf0479fd7e76501548513cc0f60

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
Signaturewi0AwnNgTRafz0GyQmA57TH7WyC6gfsj/rCHjyKNm+Df9NKrFmr9nza7YiJqR+8EMD7N4GSZ+HcDHIpWohBVBQ==
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

2026-09-17T11:32:26.715120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032869
observed 1f6032d8e80253c1c0d30791c292d77a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:26.676576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032869/manifest.json
observed 64dd5e36b5ad0d6fa712b65305c6fda3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:26.655381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032869/publication.md
observed 50ce4d88d1f912062ec5f577f0587ce4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:20.289427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032869/publication.txt
observed b5b55a5962ad48cec5080e5ae39610a6...
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.