OpenTechnical

OT-2026-000030491

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, 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-2026-000030491) never changes.

Identity and time

Publication numberOT-2026-000030491 · never reused
Internal UUID01a0ae73-e504-77ff-965d-9bf7fe76f9b7 · 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-2026-000030491
StatusPUBLIC

Content hashes

Canonical textcdf3464c71781006e53225559167aa8ec544f10349b98e71e3191c2a93eb0348
Markdownaea329e451c4ac1d09342700d6d7ccaad8140e29de9ef52c2d77deae26e29eae
PDF
Publication paged4370a89a6c8721afe0d47dfd5706802e1ce5376fcaf985baf8b38c75ca84420
Manifest29fc39a2b0d0c3e1ca6bb6e0d43c7d20811ae1a7ad611432e9a0aaab3d94dafb

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
SignatureTsh1lcqTy6WxCoT9PshcuJwykRlD4PkIdl64u9iEPwPF7dhG16GhptGGHk7MvOZMSFlljdv5RYtKcaWDtg90Dg==
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

2026-09-17T11:38:20.672029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030491
observed d4370a89a6c8721afe0d47dfd5706802...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:20.654799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030491/manifest.json
observed 29fc39a2b0d0c3e1ca6bb6e0d43c7d20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:20.634405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030491/publication.md
observed aea329e451c4ac1d09342700d6d7ccaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:20.614748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030491/publication.txt
observed cdf3464c71781006e53225559167aa8e...
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.