OpenTechnical

OT-2026-000041205

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, sustained blow-off after 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-2026-000041205) never changes.

Identity and time

Publication numberOT-2026-000041205 · never reused
Internal UUID01a0ae79-b143-7fb0-890b-e500562a63d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041205
StatusPUBLIC

Content hashes

Canonical textdc5927ac967af8594c1eaa32c685f1988130b301dfc76e42bb0a534d32d7ac35
Markdown9b0a7385fdb628dbc3a128cc3fbe09cbad415440af1c0dc6d9e52d932e6428ec
PDF
Publication page19f11fc0065c54d316e9a0777fac529c2bd8934ec999e1b07149dbab4cab33a1
Manifest3cef441cf4e6269bc0ea4a5c8011577d980506440e9c03b0e55851cc7d5ecdde

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
SignatureLAUDZNyRmNX4v2m4xa8knKc/LPI5oZu4gooqNUxg1hkyYMT0hbHTJ8aYh5tVz/riubG9+l1YThigjFJ3oJSEAQ==
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

2026-09-17T11:17:09.756272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041205
observed 19f11fc0065c54d316e9a0777fac529c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:09.737849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041205/manifest.json
observed 3cef441cf4e6269bc0ea4a5c8011577d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:09.720484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041205/publication.md
observed 9b0a7385fdb628dbc3a128cc3fbe09cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:09.703893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041205/publication.txt
observed dc5927ac967af8594c1eaa32c685f198...
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.