OpenTechnical

OT-2026-000011293

Publication integrity record

Two cup vacuum gripper, two zone face, single stage ejector, pressure sensor per zone, vented after 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-2026-000011293) never changes.

Identity and time

Publication numberOT-2026-000011293 · never reused
Internal UUID01a0ae6c-5410-71ac-98f9-5eb630f23529 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011293
StatusPUBLIC

Content hashes

Canonical textb7a541e62299ceb7e65affdf6084c71fbae3e058688950d8fd1c9c88c2f43826
Markdown491f0ccb8b8bd4827800f68e5811bd9b8e61b57e83b28c0449390925ee14ac97
PDF
Publication page609330c52470006499436e1445fc7d98841de751fe4e1ebf6686d2a9b427a9ae
Manifestb8aa712fa6aaa0452f52b0234605f61c8503df3e43141cefcb7f6a5d923bbacc

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
Signature8PVvnXH5qhammzWqLDaLSLIMubk5B1giYFlYpCdr7bDQZXtSWd93HsA7PWyexwSnC4ENftzj8CvGAH3kKJSQBw==
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

2026-09-17T12:14:15.996384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011293
observed 609330c52470006499436e1445fc7d98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:15.975490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011293/manifest.json
observed b8aa712fa6aaa0452f52b0234605f61c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:15.954908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011293/publication.md
observed 491f0ccb8b8bd4827800f68e5811bd9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:15.931527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011293/publication.txt
observed b7a541e62299ceb7e65affdf6084c71f...
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.