OpenTechnical

OT-2026-000044320

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, pulsed 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-2026-000044320) never changes.

Identity and time

Publication numberOT-2026-000044320 · never reused
Internal UUID01a0ae7c-39d6-70df-892a-11ff802b7824 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044320
StatusPUBLIC

Content hashes

Canonical textae624ea8a4ca9be2e82f4a4a3a6bad7eb3e573ab9d7f2a9542d4b24d296ea787
Markdownfdaac93c6679f896fd79a8600f3a58dc5fd25d9779c2886a4143cc17e1843700
PDF
Publication paged993b90370ccdacfa89e8135912cc9e5a084ffe284a69aa33bf732c38cd0ebba
Manifestad0d219486a178f94497c51bba89dfca4742dc721cb9a8a8a73b35278d173691

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
SignatureFdKLbDF0NQBNXBrPF6+w98a2KaofQ3Zuh8hDY17gwiZpsFTXRnqpw8P7EIV5Q0ek1zFK1W9bm0yBE6rr4bTTBg==
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

2026-09-17T08:30:20.070875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044320
observed d993b90370ccdacfa89e8135912cc9e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:20.050103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044320/manifest.json
observed ad0d219486a178f94497c51bba89dfca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:20.026994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044320/publication.md
observed fdaac93c6679f896fd79a8600f3a58dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:19.998942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044320/publication.txt
observed ae624ea8a4ca9be2e82f4a4a3a6bad7e...
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.