OpenTechnical

OT-2026-000016225

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000016225) never changes.

Identity and time

Publication numberOT-2026-000016225 · never reused
Internal UUID01a0ae6e-2d11-71a8-b6e5-99fc1ffcd86f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016225
StatusPUBLIC

Content hashes

Canonical text71ed319b41c643fa4a4f9b81babd8f75862a241f37dbfaef04a3fa09efc8738d
Markdown5733b41f5a0d92d436a1337075419c8de5cf00cc0bfae090aa875a805781b94a
PDF
Publication pageb35dd71194f33849fff61321eb978c81ac34beeb9ee739b0487f95f34f61b968
Manifest5cc8959c7b9db5731335ea4b7b430e6998c9e2470ccfb2600fde3da386862197

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
Signature3nRv+I3k45O4TfedlgWRef/MUoqrRzEW1SxsQWo0IFNgb6Y3qcj2YVK3bSdDt8/POkYufA9kvPS94gov3K3RAA==
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

2026-09-17T12:03:41.417416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016225
observed b35dd71194f33849fff61321eb978c81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:41.397740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016225/manifest.json
observed 5cc8959c7b9db5731335ea4b7b430e69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:41.380779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016225/publication.md
observed 5733b41f5a0d92d436a1337075419c8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:41.361168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016225/publication.txt
observed 71ed319b41c643fa4a4f9b81babd8f75...
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.