OpenTechnical

OT-2026-000030325

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, manifold 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-2026-000030325) never changes.

Identity and time

Publication numberOT-2026-000030325 · never reused
Internal UUID01a0ae73-e501-7e5b-a5f0-ca8fee6f9934 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030325
StatusPUBLIC

Content hashes

Canonical text20d1b419dd5abcce4766572d5a8781343fe53c7fbcf7c989f3d063dba6b27e2c
Markdownba51729608f0ebea4365db4bf1789285d16e0c89ed564edd154ffa904a4107b6
PDF
Publication page30768e1204cd0494422cd58a4a5186be85b4793714f71d9036ed48a49556879e
Manifestd748d8e8170ee414ecb6f8ee4cca5a1d8ee5ea4d372d1254005198de894d575b

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
Signaturepe+Q69P3ZWNE6t2nF9F91eYHDMtPYrLtsPnNskmv/TlGAk4alSnKtzjTxohXlagka3teii8nxYTmtqzr4xOJAw==
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

2026-09-17T11:38:02.040622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030325
observed 30768e1204cd0494422cd58a4a5186be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:02.003207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030325/manifest.json
observed d748d8e8170ee414ecb6f8ee4cca5a1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:01.984752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030325/publication.md
observed ba51729608f0ebea4365db4bf1789285...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:01.947955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030325/publication.txt
observed 20d1b419dd5abcce4766572d5a878134...
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.