OpenTechnical

OT-2026-000025729

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000025729) never changes.

Identity and time

Publication numberOT-2026-000025729 · never reused
Internal UUID01a0ae71-9bca-7d3d-90fa-084f66a8b585 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025729
StatusPUBLIC

Content hashes

Canonical text96901d7abc94fcbe3305c4f2ca70c9f6fc42fe3da0333343e5d79d2e9edb80e8
Markdown8e4fb4ef49a2e50218444e2b295a295c957fc39f1f9f11bfbfa2c02cac8041fa
PDF
Publication pageea9bc600c7e93830c491610d247e40d7dd17233e424d65e0c847f919ecedab37
Manifest51d0ab94198fc8578922dc103587bd8d4290110841314a7cda6bb14f4a304c4b

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
SignaturelvFwDcc4AzomyMNKW2k0+xrnx3LY29lbLJE9BiImZ/dJ4+pcmNgT13DMf9joLWK8nflw2uNPrYHMxKH4PLUDDQ==
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

2026-09-17T11:46:56.994217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025729
observed ea9bc600c7e93830c491610d247e40d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:56.975539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025729/manifest.json
observed 51d0ab94198fc8578922dc103587bd8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:56.958975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025729/publication.md
observed 8e4fb4ef49a2e50218444e2b295a295c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:56.940912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025729/publication.txt
observed 96901d7abc94fcbe3305c4f2ca70c9f6...
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.