OpenTechnical

OT-2026-000025930

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000025930) never changes.

Identity and time

Publication numberOT-2026-000025930 · never reused
Internal UUID01a0ae71-a83f-70fc-928c-bc099af181fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025930
StatusPUBLIC

Content hashes

Canonical text711b7d7873ada6158249ae929fb67e3275a585c482bcdface34c824ee7b5cbd7
Markdowne4a3387c5f26c9c5ce1990959f6d140494fd7a14cdf9bd79f9b3488b8aacb27a
PDF
Publication page2a1f75cc1bf174e8275403459c0727caddde3127cf6d84666c47d0d5b5055309
Manifestffbd288813e2fe2bb2e56d3458fe95ec49bf56f3438de92cde422a45d832b24a

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
SignatureHntq7BMIYc3s3LFxNFKFBfq7iQFBJj0k1MvGMtcQEMYJLX1U094dZ6BkAsnd7WgNYh+AjAPFNXKW4IUFc7P+CQ==
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

2026-09-17T11:46:17.293619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025930
observed 2a1f75cc1bf174e8275403459c0727ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:17.273132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025930/manifest.json
observed ffbd288813e2fe2bb2e56d3458fe95ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:17.256406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025930/publication.md
observed e4a3387c5f26c9c5ce1990959f6d1404...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:17.239789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025930/publication.txt
observed 711b7d7873ada6158249ae929fb67e32...
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.