OpenTechnical

OT-2026-000017803

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000017803) never changes.

Identity and time

Publication numberOT-2026-000017803 · never reused
Internal UUID01a0ae6e-96fb-7dd6-8b02-67c24d29e58d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017803
StatusPUBLIC

Content hashes

Canonical text7b742aab92f06ee4a4630871bbaed9f97928b91492d93321aa083e0a800758d5
Markdown0116a7b36cc3defa5d144693c3252f386ff823eea1b0d16c97c196bf2118c6bd
PDF
Publication page2d9f900223df0ee5dc25cff65c953329e1c2ed267b1a0efc0da847597cd6e0c8
Manifest765be5c6424fd40060e0af9a94627658da72112d175103dc36d0c1e6917987d0

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
Signature+xsOB3V34LG59cwakK9tXUnbLn5N3dTZRWDNB7D/6NRwjhGavLbFJG5lqZfi31YTJB81+XHlB/Vo+SquV6Q4DA==
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

2026-09-17T12:01:46.271654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017803
observed 2d9f900223df0ee5dc25cff65c953329...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:46.255352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017803/manifest.json
observed 765be5c6424fd40060e0af9a94627658...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:46.239556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017803/publication.md
observed 0116a7b36cc3defa5d144693c3252f38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:46.223606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017803/publication.txt
observed 7b742aab92f06ee4a4630871bbaed9f9...
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.