OpenTechnical

OT-2026-000025131

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, 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-2026-000025131) never changes.

Identity and time

Publication numberOT-2026-000025131 · never reused
Internal UUID01a0ae71-5fa5-733c-9d73-dada84a0e6cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025131
StatusPUBLIC

Content hashes

Canonical texta3415ae3044153178c21208de6ee74e193ad60a9a3fb265bd0a297d5077ef8bf
Markdownf8e82a4e58a5b5a6926d8938d0e8618978aea49ef0521b8d26f6145e7d7c2f79
PDF
Publication page9f1ca28feb10c955b00d7081cf8e087986b90b723c51fceca871d51db156bd19
Manifestfeff7a24651b7a4a62ce021fcb95e85a31ada2d855f741f5a3e18e24071cc58f

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
SignatureVLje6I38HoFADVOGzfYMKAAb4N2+OAz106guKZLkvvTV2AO8ZsmHH58QBG0V5KAmE+nqkgwxU8OPWT61CjNxCQ==
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

2026-09-17T11:47:00.660574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025131
observed 9f1ca28feb10c955b00d7081cf8e0879...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:00.643705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025131/manifest.json
observed feff7a24651b7a4a62ce021fcb95e85a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:00.626986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025131/publication.md
observed f8e82a4e58a5b5a6926d8938d0e86189...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:00.603135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025131/publication.txt
observed a3415ae3044153178c21208de6ee74e1...
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.