OpenTechnical

OT-2026-000011115

Publication integrity record

Three cup vacuum gripper, three zone face, single stage ejector, vented 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-2026-000011115) never changes.

Identity and time

Publication numberOT-2026-000011115 · never reused
Internal UUID01a0ae6c-540f-791a-a6f5-c6e0821317e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011115
StatusPUBLIC

Content hashes

Canonical text976c17467b95521093b2d39fb0c6f44317429a6ececa7333ae1ef55813a1ec86
Markdowna96d78524a7cedb6520a0ed3d9a924a34d27f6a9a695ee703648dc4796585462
PDF
Publication page57e3e868817e711619cf4229e43390ca46cb1ec8057584190fe61e00b29e8871
Manifest7d7d26e81badfd1ff5f67e8ef4d7f91ee883c3932e4a49805570c7e3f3371fd5

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
SignatureumSvjqZh7TxhgwR91GYkUQ7Rb/j/bAwoLfwE6+JZAhizVxQWi+06sJdubH2YABHm3LW6+Q0QxCoOMjmaz8DpBQ==
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

2026-09-17T12:13:57.955246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011115
observed 57e3e868817e711619cf4229e43390ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:57.935830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011115/manifest.json
observed 7d7d26e81badfd1ff5f67e8ef4d7f91e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:57.916694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011115/publication.md
observed a96d78524a7cedb6520a0ed3d9a924a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:57.898718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011115/publication.txt
observed 976c17467b95521093b2d39fb0c6f443...
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.