OpenTechnical

OT-2026-000016404

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off before set-down

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-2026-000016404) never changes.

Identity and time

Publication numberOT-2026-000016404 · never reused
Internal UUID01a0ae6e-2d12-7c9c-bc92-6870f276e6ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016404
StatusPUBLIC

Content hashes

Canonical text4681d709fab0d9a3ae62b264eace642be42971425b7863d914a391df7aaf4fc4
Markdown525e2bf19c4df3349e5bea28a2d815852bba486fae11cd70b870bbc6eed60438
PDF
Publication page12bc41ab83663eb18a0a7f9375654260d28f39213c04b6e329fe0395dd17a0c1
Manifest63d51c79bb0efe105afa0d83fe6fcf97a927f2935b894ad340980463bf7e9ff7

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
SignatureXFEaC+YkgzuK7R7dy/q3ew3V/VL+M34+OPr5dZagnpXei4G5TdRHS+12/+ipGdiZrOJikJzBafchdE7RMXwrDA==
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

2026-09-17T12:04:29.364666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016404
observed 12bc41ab83663eb18a0a7f9375654260...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:29.347099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016404/manifest.json
observed 63d51c79bb0efe105afa0d83fe6fcf97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:29.329995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016404/publication.md
observed 525e2bf19c4df3349e5bea28a2d81585...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:29.312522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016404/publication.txt
observed 4681d709fab0d9a3ae62b264eace642b...
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.