OpenTechnical

OT-2026-000030539

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, two 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-2026-000030539) never changes.

Identity and time

Publication numberOT-2026-000030539 · never reused
Internal UUID01a0ae73-e504-7cde-b4a5-60d8e3fe9201 · 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-2026-000030539
StatusPUBLIC

Content hashes

Canonical textf3d59db3e6799644a8223c861b4e4148885f082d4a554c576fe09b7d776da096
Markdown4b991f66886d9cbd2cdd11b22344c29e1626454d1ad734cbe59cbd2e7a438dd6
PDF
Publication page472b0c3af973725b6f8007b1dcb5a99238c1d2a223cafe3301ed9926d3c0210c
Manifest31a915acdf8d98e9c2eca363a50bc561fc00f98be752c45940c40308518e7eb4

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
SignaturesUHuj5uT+ova7qqDM2eQrL4M58O4tMz2gzviNFB8OivSR1cJTJ6Iy+ip42d336MEhuT0cM6EG7SvEMdlAqnGCQ==
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

2026-09-17T11:38:22.452142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030539
observed 472b0c3af973725b6f8007b1dcb5a992...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:22.435283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030539/manifest.json
observed 31a915acdf8d98e9c2eca363a50bc561...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:22.417731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030539/publication.md
observed 4b991f66886d9cbd2cdd11b22344c29e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:22.401875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030539/publication.txt
observed f3d59db3e6799644a8223c861b4e4148...
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.