OpenTechnical

OT-2026-000082255

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, 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-2026-000082255) never changes.

Identity and time

Publication numberOT-2026-000082255 · never reused
Internal UUID01a0ae97-4d94-70dd-b287-4bd6331e3d41 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082255
StatusPUBLIC

Content hashes

Canonical text746c25cc1f62981b46e6989ae3e9f74291c1d283807f0159ec0e7630aa211931
Markdown5d106569f523b3d61dea0da536392484becc80a21b5fb177c47bf642b93b0ff8
PDF
Publication paged4d6c9451aa668f3c0bb8d61105c7874fbbc651b486dadc5c12669ea864f2b82
Manifest3a83bf489d63bf216b2b6201b4cc2a1bfd9220d01e4768befd7e191644dab632

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
SignaturePqZAWpPrDXS6YVhy1tHaDB+SqkhCe0qMDaQhmVQNZv+ynjFiypQw36pjYs41UloxzvRCvx6q8u0ZSYo5RyjAAA==
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

2026-09-17T09:59:06.347495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082255
observed d4d6c9451aa668f3c0bb8d61105c7874...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:06.328464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082255/manifest.json
observed 3a83bf489d63bf216b2b6201b4cc2a1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:06.310939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082255/publication.md
observed 5d106569f523b3d61dea0da536392484...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:06.290383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082255/publication.txt
observed 746c25cc1f62981b46e6989ae3e9f742...
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.