OpenTechnical

OT-2026-000064243

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, pressure sensor per zone, 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-2026-000064243) never changes.

Identity and time

Publication numberOT-2026-000064243 · never reused
Internal UUID01a0ae8d-a460-7efb-93eb-48e1baaf5c4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064243
StatusPUBLIC

Content hashes

Canonical text3ab43fe3e1b985941bd4425c2f5a4ae335361640f65f63c363f04836578106fb
Markdown17bfea3a4331a5b394256af5dfc3eb2f1db862c090578b91d7f624629f3a73f3
PDF
Publication page2b470c5eb222355f81c5e3081d981cc0a2353dc0c817f43f2c0e9f0ab9cfa564
Manifestc2174146b6c46ce194200749b811a150295cc3ff9c09477c1c551914cfa55879

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
SignatureFZPmZ6h/gYxPekJH9K6Cu+y1e2xzsk+937GAbffqAFH2CozuQWIjJ3GLz/oglpSAZ2k6PTQVNDWxM5o+4LbTBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:36:22.336673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064243
observed 2b470c5eb222355f81c5e3081d981cc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:22.318619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064243/manifest.json
observed c2174146b6c46ce194200749b811a150...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:22.299333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064243/publication.md
observed 17bfea3a4331a5b394256af5dfc3eb2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:22.281859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064243/publication.txt
observed 3ab43fe3e1b985941bd4425c2f5a4ae3...
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.