OpenTechnical

OT-2026-000010513

Publication integrity record

Foam pad vacuum gripper, three stage ejector, 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-2026-000010513) never changes.

Identity and time

Publication numberOT-2026-000010513 · never reused
Internal UUID01a0ae6c-0ee7-7698-9f9a-b129e62a9b30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010513
StatusPUBLIC

Content hashes

Canonical textb0df12851f84743ef80312f638e7593155cf8939000f7df5cf72c4a4b232e4f1
Markdown2b1e606853cf5d508f0a656d85abc1afd18bb743cf40899dcf3c9e4377c7ad90
PDF
Publication page24df6c112159dd63640ac64bb0a6bc8fe727ac449d5ab1b42620f86b13a95d65
Manifest3512745e4ccff39cc21ad3036470a511c0511e873bbd84c1ad3d24beb22c16bc

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
Signature83e6oJywjBo8zEx+YKcGSxCqACkrPuB90wd+deEyv9TItAyGJuihGgkXI1RC2kb+LdXUc3T4iqYs4YLiUxfEAw==
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

2026-09-17T12:14:40.220844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010513
observed 24df6c112159dd63640ac64bb0a6bc8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:40.199829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010513/manifest.json
observed 3512745e4ccff39cc21ad3036470a511...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:40.179239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010513/publication.md
observed 2b1e606853cf5d508f0a656d85abc1af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:40.160669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010513/publication.txt
observed b0df12851f84743ef80312f638e75931...
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.