OpenTechnical

OT-2026-000089427

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000089427) never changes.

Identity and time

Publication numberOT-2026-000089427 · never reused
Internal UUID01a0ae9b-db02-75da-a787-3349edf6c842 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089427
StatusPUBLIC

Content hashes

Canonical text64417c56fa64c528ecd76ab73335799010a90bb5fcae61492a5cae67a83f5b26
Markdown10859397e1b7392c559f5c1da8178d1ecfc1fae171989853516c84f3f6919dda
PDF
Publication page06d6f8bff85befb2f6b81e91889e95040f795760e0554f489c96a99050f0b673
Manifest65979e3f1c18c5a7fbe0ee9c5a3056b41fcf9fbeb7eb0b40726697523365f141

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
Signature+R/B6TPpquG6U6JM8dLbwGA45/0fpZyG5Cj0BxICVygPtA0mvZSQX7wAh+puyMqb6hh/YP466g45KGp5e42NCA==
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

2026-09-17T09:47:34.276328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089427
observed 06d6f8bff85befb2f6b81e91889e9504...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:34.259726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089427/manifest.json
observed 65979e3f1c18c5a7fbe0ee9c5a3056b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:34.242215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089427/publication.md
observed 10859397e1b7392c559f5c1da8178d1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:34.224351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089427/publication.txt
observed 64417c56fa64c528ecd76ab733357990...
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.