OpenTechnical

OT-2026-000012074

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000012074) never changes.

Identity and time

Publication numberOT-2026-000012074 · never reused
Internal UUID01a0ae6d-1943-7da8-b4aa-cf2ed1bf2238 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012074
StatusPUBLIC

Content hashes

Canonical text78a767067f7634fb02d99b5c78f4a5bdec693881978b46bfd406f10c8612db40
Markdown7f536b23419d47ef67ad309057dcfeed01953aa48915a6739a4c25a07b1537ae
PDF
Publication page584fd68db8e9f059cd8596d3e7aec26213a02cdaf9d337d283bb0fadd9459362
Manifestce79a115cb53cbfcdfd0ce244a924afb7f4212ebb6afa699b1b367fa1192ef69

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
SignatureQUsjvmCz7V9625ZDke4fbtuWNVBDpMp2ZnYSxzx1eskQ6FXk+BQNm4eoVQiHCj8x+T+km14doSnLj3YPG8S2Bg==
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

2026-09-17T12:12:57.648007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012074
observed 584fd68db8e9f059cd8596d3e7aec262...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:57.626608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012074/manifest.json
observed ce79a115cb53cbfcdfd0ce244a924afb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:57.606346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012074/publication.md
observed 7f536b23419d47ef67ad309057dcfeed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:57.587569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012074/publication.txt
observed 78a767067f7634fb02d99b5c78f4a5bd...
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.