OpenTechnical

OT-2026-000011502

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000011502) never changes.

Identity and time

Publication numberOT-2026-000011502 · never reused
Internal UUID01a0ae6c-88ff-79d6-86e2-3ae0550d69f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011502
StatusPUBLIC

Content hashes

Canonical text4e40b1fe54a21238d85abf574122b5148bee4a1e0c1e536ac1b3b8f80167a056
Markdownf544737d7025b4623efcbf25b63cf4701e639293b6a963508eea4189136d13c0
PDF
Publication page3feca218f7fee506576d2074b96205a6a49a425b433548f30af9dc8e28d3d0a7
Manifeste7e2b8a5faa56c3dfc3fd640abed590a457659fd5cd62806007be5366bcdf16f

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
SignaturePUiYoPB3T6yS8lq11R10YkmhtjwKIC8eiiFG6C7Ob8wGKZbehWmAr3p8qsRdW9cCzW3dzsV6tPlBmTRtkss1Bg==
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

2026-09-17T12:13:16.909181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011502
observed 3feca218f7fee506576d2074b96205a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:16.891433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011502/manifest.json
observed e7e2b8a5faa56c3dfc3fd640abed590a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:16.870126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011502/publication.md
observed f544737d7025b4623efcbf25b63cf470...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:16.850987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011502/publication.txt
observed 4e40b1fe54a21238d85abf574122b514...
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.