OpenTechnical

OT-2026-000043151

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000043151) never changes.

Identity and time

Publication numberOT-2026-000043151 · never reused
Internal UUID01a0ae7b-327a-757a-861a-c3db544cad5e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043151
StatusPUBLIC

Content hashes

Canonical textcf99d374bbd97851731437f263f8e02860e48dfc9022a1ee529665cfe573c4d1
Markdown5ccd3fa60ab759177b29f357bd82c0f905a878e30f7d1bd624ac9d54a4c0114e
PDF
Publication pagebd2cb729d8ab3ccc8781bdfb6dff39c55a9e96127dba0f9a2d98f0dc364efa6b
Manifest3b27061bf92cd48fc125e233aedf35bb2bbe7b6c6e076ff8ae7c19bdaf28bfef

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
Signature7PEsdtX6539vQqX6HyV2kjUzkW86ZZNNTRlM1585xch0joudK8Ur5bY1QLkRFFZBAIz4coTw1DGvgHUryM4nCw==
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

2026-09-17T08:44:22.489249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043151
observed bd2cb729d8ab3ccc8781bdfb6dff39c5...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:44:22.239588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043151/manifest.json
observed 3b27061bf92cd48fc125e233aedf35bb...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:44:21.990174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043151/publication.md
observed 5ccd3fa60ab759177b29f357bd82c0f9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:44:21.550654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043151/publication.txt
observed cf99d374bbd97851731437f263f8e028...
fetched by grabo-systems from 34.44.131.203, 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.