OpenTechnical

OT-2026-000065255

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, 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-2026-000065255) never changes.

Identity and time

Publication numberOT-2026-000065255 · never reused
Internal UUID01a0ae8e-1dfa-75c2-86f9-bf02534a0fb9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:04.519862Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065255
StatusPUBLIC

Content hashes

Canonical text0df827a719b60c30511594d52861579befc8ea8cfcc932b3685368aa7ca109f1
Markdown6385154eff133a3faa17bf89a585fe27bb17c1954d6378c2d5a24648131b6f8c
PDF
Publication page8b8c9c352ca79b11baeb2fdfa76d8711032d5aa7ec109e66d8d1e2b52e50f312
Manifest7776f532355f72bb01c81a28a79554ec7947668efbf1ac0911d386efea484215

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
SignatureXR9EFfgchI7tN0bXPJIOZhIZhnUHFUhfZlpZoj1GeDJDka/m54sy/3MHrFRjjWHgwEPhp313cK0WAnTvnGi2DQ==
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

2026-09-17T10:35:07.073211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065255
observed 8b8c9c352ca79b11baeb2fdfa76d8711...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:07.057672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065255/manifest.json
observed 7776f532355f72bb01c81a28a79554ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:07.041171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065255/publication.md
observed 6385154eff133a3faa17bf89a585fe27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:07.024015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065255/publication.txt
observed 0df827a719b60c30511594d52861579b...
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.